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Core Data from the Deep Sea Drilling Project


Leg : 65    Top/Bottom Interval(mm):  490/ 500  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   110.50   Rock Type: IGNEOUS
Core:   3   Sample Midpoint(m)     :   111.00   Sect/Pc #:  1/PCE 6

ROCK = PLAG-OL PHYRIC BASALT;
       Texture: PORPHYRITIC,MEDIUM-GRAINED,INTERGRANULAR-
       INTERSERTAL*

Phenocrysts- OLIVINE                   (    2%)
             Size(mm):    0.3-0.8  Morphology: EUHEDRAL
             PARTLY ALTERED TO SMEC;

             PLAGIOCLASE               (   10%)
             Size(mm):    0.2-2.5  Morphology: SUBHEDRAL
             FRESH,MOSTLY IN GLOMEROPHYRIC CLOTS*

Groundmass - OLIVINE                   (  1-2%)
             Size(mm):   0.05-0.2  Morphology: SUBHEDRAL
             PARTLY ALTERED TO SMEC,2V=90;

             PLAGIOCLASE               (   45%)
             Size(mm):    0.1-0.5  Morphology: SUBHEDRAL
             FRESH;

             CLINOPYROXENE             (   35%)
             Size(mm):    0.1-0.2  Morphology: GRANULAR
             FRESH,2VZ=40;

             OPAQUE MINERALS           (    3%)
             Size(mm):   0.05-0.1  Morphology: SUBHEDRAL
             PROBABLY MAGN;

             MICROCRYST GROUNDMASS     (   10%)
             INTERSTITIAL MATERIAL,GLASSY,MOSTLY ALTERED TO
             SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL + INTERSTITIAL MATERIAL PARTLY REPLACED BY SMEC
             + TRACES OF CARB;

             CARBONATE                 (   TR%)
             Location: INTERSTITIAL   Replacing: OL
             OL + INTERSTITIAL MATERIAL PARTLY REPLACED BY SMEC
             + TRACES OF CARB*

Vesicles   -
             Size(mm):      0.3
             Percent:    <1
             Filling: SMEC
             Shape: ROUND




Leg : 65    Top/Bottom Interval(mm): 1250/1260  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   110.50   Rock Type: IGNEOUS
Core:   3   Sample Midpoint(m)     :   111.76   Sect/Pc #:  1/PCE 13

ROCK = APHYRIC BASALT;
       Texture: APHYRIC,MEDIUM- TO COARSE-GRAINED,SUBOPHITIC*

Groundmass - OLIVINE                   (    2%)
             Size(mm):    0.1-0.3  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (   45%)
             Size(mm):      0.1-1  Morphology: SUBHEDRAL
             FRESH;

             CLINOPYROXENE             (   45%)
             Size(mm):    0.1-0.5  Morphology: ANHEDRAL
             FRESH,2VZ=40;

             OPAQUE MINERALS           (    2%)
             Size(mm):   0.05-0.2
             PROBABLY MAGN;

             MICROCRYST GROUNDMASS     (    7%)
             INTERSTITIAL MATERIAL,GLASSY,ALTERED TO SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL + INTERSTITIAL MATERIAL REPLACED BY SMEC +
             MINOR CARB;

             CARBONATE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL + INTERSTITIAL MATERIAL REPLACED BY SMEC +
             MINOR CARB*

Vesicles   -
             Size(mm):  0.5-0.8
             Percent:   1-2
             Filling: SMEC,CARB
             Shape: ROUND




Leg : 65    Top/Bottom Interval(mm):  500/ 530  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   119.50   Rock Type: IGNEOUS
Core:   4   Sample Midpoint(m)     :   124.51   Sect/Pc #:  4/PCE 5

ROCK = APHYRIC BASALT;
       Texture: APHYRIC,COARSE-GRAINED,SUBOPHITIC-INTERSERTAL*

Groundmass - OLIVINE                   (  2-3%)
             Size(mm):    0.2-0.5  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (   45%)
             Size(mm):    0.3-1.3  Morphology: SUBHEDRAL
             FRESH;

             CLINOPYROXENE             (   45%)
             Size(mm):    0.3-0.7  Morphology: SUBHEDRAL-ANHEDRAL,PLATES
             FRESH,USUALLY IN SUBOPHITIC PLATES,OFTEN ZONED,
             2VZ=40;

             OPAQUE MINERALS           (    3%)
             Size(mm):   0.05-0.1  Morphology: SUBHEDRAL
             PROBABLY MAGN;

             MICROCRYST GROUNDMASS     (  2-3%)
             INTERSTITIAL MATERIAL,GLASSY,REPLACED BY SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL   Replacing: OL
             OL + INTERSTITIAL MATERIAL REPLACED BY SMEC*

Vesicles   -
             Percent:     0




Leg : 65    Top/Bottom Interval(mm):  480/ 500  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   133.00   Rock Type: IGNEOUS
Core:   7   Sample Midpoint(m)     :   134.99   Sect/Pc #:  2/PCE 2C

ROCK = APHYRIC BASALT;
       Texture: APHYRIC,COARSE-GRAINED,INTERGRANULAR-SUBOPHITIC*

Groundmass - OLIVINE                   (  3-5%)
             Size(mm):    0.1-0.3  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (45-50%)
             Size(mm):    0.1-0.6  Morphology: SUBHEDRAL
             FRESH;

             CLINOPYROXENE             (40-45%)
             Size(mm):  0.02-0.04  Morphology: ANHEDRAL
             FRESH,2VZ=40;

             OPAQUE MINERALS           (    5%)
             Size(mm):  0.05-0.15  Morphology: SUBHEDRAL,SKELETAL
             PROBABLY MAGN;

             MICROCRYST GROUNDMASS     (  2-3%)
             INTERSTITIAL MATERIAL,REPLACED BY SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VEINLET
             OL + MINOR INTERSTITIAL MATERIAL REPLACED BY
             GREENISH-BROWN SMEC,ONE VEINLET (0.3 MM WIDE)
             LINED WITH BROWN SMEC AND FILLED WITH CARB;

             CARBONATE
             Location: VEINLET
             ONE VEINLET (0.3 MM WIDE) LINED WITH BROWN SMEC
             AND FILLED WITH CARB*

Vesicles   -
             Percent:     0




Leg : 65    Top/Bottom Interval(mm):   80/  90  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   137.50   Rock Type: TUFF
Core:   8   Sample Midpoint(m)     :   137.59   Sect/Pc #:  1/PCE 5A

ROCK = PALAGONITE TUFF
       INCLUDES FORAMS + SPONGE SPICULES (1-2%) AND
       LITHIC FRAGMENTS (1%--MOSTLY MICROXLN BASALT) IN
       ADDITION TO WHAT IS LISTED BELOW;
       Texture: VITROCLASTIC,FINE- TO MEDIUM-GRAINED;
       Where sampled: OTHER
       HYALOCLASTITE OVERLYING MASSIVE COOLING UNIT*

Phenocrysts- PLAGIOCLASE               (  2-3%)
             Size(mm):    0.3-0.8  Morphology: SUBHEDRAL-ANHEDRAL,SLIVERS
             SOME XTL SLIVERS,FRESH;

             CLINOPYROXENE             (   TR%)
             Morphology: GRANULES
             IDENTITY QUESTIONABLE;

             COMBINATION               (  1-2%)
             Morphology: ANGULAR
             QUARTZ + HEAVY MINERAL GRAINS,SAND-SIZE*

Groundmass - GLASS                     (50-75%)
             Size(mm):    0.2-0.6  Morphology: SHARDS,ANGULAR
             MOSTLY REPLACED BY BROWN AND GREEN SMEC OR
             ZEOLITE;

             OTHER                     (   45%)
             CEMENT IS BROWN FIBROUS ZEOLITE (PHILLIPSITE?)
             WITH MINOR CALCITE*

Alteration - SMECTITE
             Replacing: GLASS
             GLASS TO SMEC + ZEOLITE;

             ZEOLITE
             Replacing: GLASS
             GLASS TO SMEC + ZEOLITE,BROWN FIBROUS ZEOLITE
             (PHILLIPSITE?)*

Vesicles   -
             Percent:     0




Leg : 65    Top/Bottom Interval(mm):  450/ 460  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   137.50   Rock Type: IGNEOUS
Core:   8   Sample Midpoint(m)     :   137.96   Sect/Pc #:  1/PCE 6C

ROCK = APHYRIC BASALT;
       Texture: APHYRIC,FINE- TO MEDIUM-GRAINED,SUBOPHITIC-
       INTERSERTAL*

Groundmass - OLIVINE                   (  5-8%)
             Size(mm):    0.1-0.3  Morphology: SUBHEDRAL
             PARTLY REPLACED BY SMEC;

             PLAGIOCLASE               (45-50%)
             Size(mm):    0.2-0.8  Morphology: SUBHEDRAL
             FRESH;

             CLINOPYROXENE             (40-45%)
             Size(mm):    0.3-0.5  Morphology: ANHEDRAL
             FRESH,2VZ=40;

             OPAQUE MINERALS           (    3%)
             Size(mm):   0.05-0.1  Morphology: SUBHEDRAL
             PROBABLY MAGN;

             MICROCRYST GROUNDMASS     (  2-3%)
             INTERSTITIAL MATERIAL,REPLACED BY SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES,
             Location: VEINLET
             INTERSTITIAL MATERIAL + SOME OL REPLACED BY SMEC,
             ONE HAIRLINE VEINLET FILLED WITH BROWNISH-GREEN
             SMEC;

             CARBONATE
             Location: VESICLES

Vesicles   -
             Size(mm):      0.5
             Percent:    <1
             Filling: SMEC,CARB
             Shape: ROUND




Leg : 65    Top/Bottom Interval(mm): 1330/1370  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   137.50   Rock Type: IGNEOUS
Core:   8   Sample Midpoint(m)     :   140.35   Sect/Pc #:  2/PCE 9

ROCK = APHYRIC BASALT;
       Texture: APHYRIC,FINE- TO COARSE-GRAINED,OPHIMOTTLED-
       INTERSERTAL*

Groundmass - OLIVINE                   (10-12%)
             Size(mm):    0.2-0.8  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (40-45%)
             Size(mm):      0.3-1  Morphology: SUBHEDRAL
             FRESH;

             CLINOPYROXENE             (30-45%)
             Size(mm):      0.2-3  Morphology: GRANULAR-LARGE,IRREGULAR

             Morphology: PLATES
             IRREGULAR OPHITIC PLATES,FRESH,2VZ=45;

             OPAQUE MINERALS           (    2%)
             Size(mm):   0.05-0.1  Morphology: SUBHEDRAL
             PROBABLY MAGN*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL,PLAG,PYX
             OL ALTERED TO SMEC,SOME PATCHES SHOW REPLACEMENT
             OF PLAG + PYX BY SMEC + CHLORITE + CARB;

             CHLORITE
             Replacing: PLAG,PYX
             SOME PATCHES SHOW REPLACEMENT OF PLAG + PYX BY
             SMEC + CHLORITE + CARB;

             CARBONATE
             Replacing: PLAG,PYX
             SOME PATCHES SHOW REPLACEMENT OF PLAG + PYX BY
             SMEC + CHLORITE + CARB*

Vesicles   -
             Size(mm):      0.5
             Percent:    TR
             Filling: SMEC
             Shape: ROUND




Leg : 65    Top/Bottom Interval(mm):  330/ 350  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   146.50   Rock Type: IGNEOUS
Core:   9   Sample Midpoint(m)     :   146.84   Sect/Pc #:  1/PCE 4

ROCK = PLAG-OL-CPX MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (  2-3%)
             Size(mm):    0.2-0.4  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (  3-5%)
             Size(mm):        0.5  Morphology: SUBHEDRAL,LATHS
             FRESH;

             CLINOPYROXENE             (    1%)
             Size(mm):    0.2-0.4  Morphology: ANHEDRAL
             OFTEN IN SMALL CLOTS WITH PLAG,FRESH,2VZ=45*

Groundmass - MESOSTASIS                (   90%)
             QUENCH MIXTURE OF PLAG NEEDLES + POORLY
             CRYSTALLIZED CPX WITH SHEAF-LIKE TEXTURE +
             GRANULAR OP.MINS;

             PLAGIOCLASE
             Morphology: NEEDLES
             QUENCH;

             CLINOPYROXENE
             Morphology: SHEAF-LIKE
             POORLY CRYSTALLIZED WITH SHEAF-LIKE TEXTURE;

             OPAQUE MINERALS
             Morphology: GRANULAR
             QUENCH*

Alteration - SMECTITE
             Replacing: OL
             OL REPLACED BY SMEC + SOME CARB;

             CARBONATE
             Replacing: OL
             OL REPLACED BY SMEC + SOME CARB*

Vesicles   -
             Percent:     0




Leg : 65    Top/Bottom Interval(mm):  400/ 420  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   146.50   Rock Type: IGNEOUS
Core:   9   Sample Midpoint(m)     :   146.91   Sect/Pc #:  1/PCE 5

ROCK = APHYRIC BASALT;
       Texture: APHYRIC,MEDIUM-GRAINED,SUBOPHITIC-INTERGRANULAR*

Groundmass - OLIVINE                   (    5%)
             Size(mm):    0.1-0.3  Morphology: SUBHEDRAL-ANHEDRAL
             MOSTLY FRESH,SOME GRAINS RIMMED WITH SMEC,2V=90;

             PLAGIOCLASE               (40-45%)
             Size(mm):      0.1-1  Morphology: SUBHEDRAL
             FRESH;

             CLINOPYROXENE             (   45%)
             Size(mm):      0.1-1  Morphology: ANHEDRAL
             USUALLY SUBOPHITIC,FRESH,2VZ=45;

             OPAQUE MINERALS           (  2-3%)
             Morphology: GRAINS
             MINUTE GRAINS,PROBABLY MAGN;

             MICROCRYST GROUNDMASS     (  2-3%)
             INTERSTITIAL MATERIAL,GLASSY,PARTLY REPLACED BY
             SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL   Replacing: OL
             SOME OL + INTERSTITIAL MATERIAL ALTERED TO SMEC*

Vesicles   -
             Percent:     0




Leg : 65    Top/Bottom Interval(mm):  150/ 170  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   169.00   Rock Type: IGNEOUS
Core:  12   Sample Midpoint(m)     :   169.16   Sect/Pc #:  1/PCE 2

ROCK = PLAG-OL-CPX PHYRIC BASALT;
       Texture: PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (  2-5%)
             Size(mm):        1-2  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (10-12%)
             Size(mm):        1-3  Morphology: SUBHEDRAL,LATHS
             OFTEN IN CLUSTERS WITH CPX,FRESH;

             CLINOPYROXENE             (    3%)
             Size(mm):    0.2-0.6  Morphology: ANHEDRAL
             IN SUBOPHITIC CLOTS WITH PLAG,FRESH,2VZ=40*

Groundmass - MESOSTASIS                (80-85%)
             QUENCH MIXTURE OF SMALL PLAG LATHS + POORLY
             CRYSTALLIZED CPX + GRANULAR MAGN,MOSTLY FRESH;

             PLAGIOCLASE
             Morphology: LATHS
             SMALL,QUENCH;

             CLINOPYROXENE
             POORLY CRYSTALLIZED;

             MAGNETITE
             Morphology: GRANULAR
             QUENCH*

Alteration - SMECTITE
             Location: GROUNDMASS,    Replacing: OL
             Location: VESICLES
             OL + SOME GROUNDMASS MATERIAL REPLACED BY SMEC;

             CARBONATE
             Location: VESICLES

Vesicles   -
             Size(mm):    0.5-1
             Percent:   1-2
             Filling: SMEC,CARB
             Shape: ROUND
             SOME WITH SEGREGATION PATCHES,MOSTLY FILLED WITH
             SMEC + CARB*




Leg : 65    Top/Bottom Interval(mm):  940/ 960  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   169.00   Rock Type: IGNEOUS
Core:  12   Sample Midpoint(m)     :   171.45   Sect/Pc #:  2/PCE 9

ROCK = PLAG-OL MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,FINE-GRAINED,
       INTERGRANULAR-INTERSERTAL*

Phenocrysts- OLIVINE                   (    1%)
             Size(mm):        0.6  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (    2%)
             Size(mm):      0.5-1  Morphology: SUBHEDRAL
             FRESH*

Groundmass - OLIVINE                   (  1-2%)
             Size(mm):    0.1-0.2  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (   50%)
             Size(mm):    0.2-0.5  Morphology: SUBHEDRAL,LATHS
             FRESH;

             CLINOPYROXENE             (   40%)
             Size(mm):   0.05-0.3  Morphology: GRANULAR
             USUALLY GRANULAR,FRESH,2VZ=40;

             OPAQUE MINERALS           (  1-2%)
             MINUTE XTLS OF MAGN;

             MICROCRYST GROUNDMASS     (  2-3%)
             INTERSTITIAL MATERIAL,REPLACED BY SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL + INTERSTITIAL MATERIAL REPLACED BY SMEC;

             CARBONATE
             Location: VESICLES

Vesicles   -
             Size(mm):      1-2
             Percent:   2-3
             Filling: SMEC,CARB
             Shape: ROUND-

             Shape: IRREGULAR




Leg : 65    Top/Bottom Interval(mm):   30/  50  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   174.50   Rock Type: IGNEOUS
Core:  13   Sample Midpoint(m)     :   174.54   Sect/Pc #:  1/PCE 1

ROCK = PLAG-OL MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (  1-2%)
             Size(mm):      0.5-1  Morphology: SUBHEDRAL
             REPLACED BY SMEC + MINOR CARB;

             PLAGIOCLASE               (  5-7%)
             Size(mm):        1-4  Morphology: SUBHEDRAL
             FRESH,ZONED,SOME IN GLOMEROPHYRIC CLUSTERS;

             CLINOPYROXENE             (   <1%)
             Size(mm):    0.2-0.4  Morphology: ANHEDRAL
             IN GLOMEROPHYRIC CLUSTERS WITH PLAG,FRESH,2VZ=40*

Groundmass - COMBINATION               (   90%)
             QUENCH MIXTURE OF SMALL XTLS OF OL + PLAG + MAGN
             IN A MATRIX OF POORLY CRYSTALLIZED CPX WITH
             RADIATING SHEAVES,MINOR GLASS ALSO PRESENT,FRESH;

             OLIVINE
             QUENCH;

             PLAGIOCLASE
             QUENCH;

             MAGNETITE
             QUENCH;

             CLINOPYROXENE
             Morphology: RADIATING SHEAVES
             FORMS MATRIX;

             GLASS
             MINOR GLASS PRESENT*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL REPLACED BY SMEC + MINOR CARB;

             CARBONATE
             Replacing: OL
             OL REPLACED BY SMEC + MINOR CARB*

Vesicles   -
             Size(mm):  0.2-0.6
             Percent:     1
             Filling: SMEC
             Shape: ROUND
             SOME WITH SEGREGATION PATCHES*




Leg : 65    Top/Bottom Interval(mm): 1450/1470  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   174.50   Rock Type: IGNEOUS
Core:  13   Sample Midpoint(m)     :   175.96   Sect/Pc #:  1/PCE 4B

ROCK = PLAG-OL MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,QUENCH;
       Where sampled: PILLOW INTERIOR*

Phenocrysts- OLIVINE                   (  1-2%)
             Size(mm):        1-4  Morphology: SUBHEDRAL
             PARTLY REPLACED BY SMEC,SOME FRESH;

             PLAGIOCLASE               (  3-5%)
             Size(mm):        1-3  Morphology: SUBHEDRAL
             FRESH,MOSTLY IN GLOMEROPHYRIC CLUSTERS;

             CLINOPYROXENE             (   <1%)
             Size(mm):        1-4  Morphology: ANHEDRAL
             INTERGROWN WITH PLAG + OL,FRESH*

Groundmass - OLIVINE                   (    2%)
             Size(mm):    0.1-0.4  Morphology: SUBHEDRAL
             MOSTLY REPLACED BY SMEC;

             PLAGIOCLASE               (15-20%)
             Size(mm):      0.3-1  Morphology: SKELETAL
             FRESH;

             CLINOPYROXENE             (20-25%)
             Morphology: GRANULAR-RADIADING SHEAVES

             OPAQUE MINERALS           (  2-3%)
             Morphology: GRANULES
             MINUTE GRANULES,PROBABLY MAGN;

             GLASS                     (30-50%)
             INTERSTITIAL,FRESH*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL REPLACED BY SMEC*

Vesicles   -
             Size(mm): 0.05-0.3
             Percent:    <1
             Filling: SMEC
             Shape: ROUND-

             Shape: IRREGULAR




Leg : 65    Top/Bottom Interval(mm): 1460/1480  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   174.50   Rock Type: IGNEOUS
Core:  13   Sample Midpoint(m)     :   177.47   Sect/Pc #:  2/PCE 14

ROCK = PLAG-OL MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (    1%)
             Size(mm):    0.2-0.5  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               ( 8-10%)
             Size(mm):      0.5-3  Morphology: SUBHEDRAL,LATHS
             FRESH,STRONGLY ZONED;

             CLINOPYROXENE             (   <1%)
             Size(mm):        0.3  Morphology: ANHEDRAL
             INTERGROWN WITH PLAG IN GLOMEROPHYRIC CLOTS,FRESH,
             2VZ=45*

Groundmass - MESOSTASIS                (   90%)
             QUENCH MIXTURE COMPOSED MOSTLY OF POORLY
             CRYSTALLIZED CPX + ACICULAR PLAG NEEDLES + SMALL
             OL XTLS REPLACED BY SMEC + MINUTE OPAQUE GRANULES;

             CLINOPYROXENE
             POORLY CRYSTALLIZED;

             PLAGIOCLASE
             Morphology: ACICULAR

             OLIVINE
             SMALL XTLS REPLACED BY SMEC;

             OPAQUE MINERALS
             Morphology: GRANULES
             MINUTE GRANULES*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL REPLACED BY SMEC*

Vesicles   -
             Size(mm):      1-2
             Percent:     1
             Filling: SMEC
             Shape: ROUND
             FILLED WITH BROWN SMEC*




Leg : 65    Top/Bottom Interval(mm): 1350/1370  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   174.50   Rock Type: IGNEOUS
Core:  13   Sample Midpoint(m)     :   178.86   Sect/Pc #:  3/PCE 12

ROCK = PLAG-OL-CPX MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,MEDIUM-GRAINED,
       INTERGRANULAR-INTERSERTAL*

Phenocrysts- OLIVINE                   (    1%)
             Size(mm):        0.5  Morphology: SUBHEDRAL
             SERIATE TO GROUNDMASS GRAINS,MOSTLY REPLACED BY
             SMEC,SOME FRESH;

             PLAGIOCLASE               (    5%)
             Size(mm):        1-2  Morphology: SUBHEDRAL
             FRESH,ZONED;

             CLINOPYROXENE             (    1%)
             Size(mm):        0.5  Morphology: ANHEDRAL
             SERIATE TO GROUNDMASS GRAINS,INTERGROWN WITH PLAG,
             FRESH,2VZ=45*

Groundmass - OLIVINE                   (  3-4%)
             Size(mm):    0.2-0.5  Morphology: SUBHEDRAL
             MOSTLY REPLACED BY SMEC;

             PLAGIOCLASE               (40-45%)
             Size(mm):    0.2-0.8  Morphology: SUBHEDRAL
             FRESH;

             CLINOPYROXENE             (   35%)
             Size(mm):    0.1-0.3  Morphology: ANHEDRAL
             FRESH,2VZ=45;

             OPAQUE MINERALS           (  2-3%)
             Morphology: GRANULES,LATHS
             MINUTE GRANULES AND LATHS,IN INTERSTITIAL AREAS;

             MICROCRYST GROUNDMASS     (   10%)
             INTERSTITIAL MATERIAL,MOSTLY GLASSY,FRESH*

Alteration - SMECTITE
             Replacing: OL
             OL PARTLY REPLACED BY SMEC;

             CARBONATE
             Location: VEINLET
             ONE HAIRLINE VEINLET FILLED WITH CARB*

Vesicles   -
             Percent:     0




Leg : 65    Top/Bottom Interval(mm):  460/ 480  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   180.00   Rock Type: IGNEOUS
Core:  14   Sample Midpoint(m)     :   181.97   Sect/Pc #:  2/PCE 3C

ROCK = PLAG MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (   <1%)
             Size(mm):    0.2-0.3  Morphology: SUBHEDRAL
             REPLACED BY SMEC + MINOR CARB;

             PLAGIOCLASE               (    3%)
             Size(mm):      0.2-3  Morphology: SUBHEDRAL,LATHS
             LARGEST GRAINS CORRODED,FRESH*

Groundmass - PLAGIOCLASE               (   10%)
             Morphology: ACICULAR,LATHS
             QUENCH;

             OPAQUE MINERALS           (  1-2%)
             Morphology: GRANULAR
             QUENCH;

             MESOSTASIS                (   85%)
             Morphology: SHEAF-LIKE
             VERY POORLY CRYSTALLIZED MATRIX WITH SHEAF-LIKE
             TEXTURE*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL REPLACED BY SMEC;

             CARBONATE
             Location: VESICLES

Vesicles   -
             Size(mm):  0.2-0.3
             Filling: SMEC,CARB
             Shape: ROUND




Leg : 65    Top/Bottom Interval(mm):  850/ 870  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   194.00   Rock Type: IGNEOUS
Core:  17   Sample Midpoint(m)     :   194.86   Sect/Pc #:  1/PCE 10A

ROCK = PLAG-OL MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (    2%)
             Size(mm):      0.2-1  Morphology: SUBHEDRAL
             MOSTLY REPLACED BY SMEC;

             PLAGIOCLASE               (  4-5%)
             Size(mm):    0.5-1.5  Morphology: SKELETAL,LATHS
             STRONGLY ZONED,FRESH*

Groundmass - PLAGIOCLASE               (35-40%)
             Size(mm):   0.05-0.5  Morphology: ACICULAR,SKELETAL
             OFTEN SKELETAL,SOME SLIGHT REPLACEMENT BY SMEC;

             CLINOPYROXENE             (45-50%)
             Size(mm):   0.05-0.2  Morphology: GRANULAR-SHEAF-LIKE
             POORLY CRYSTALLIZED,FRESH;

             OPAQUE MINERALS           (    5%)
             Size(mm): 0.005-0.05  Morphology: SQUARE-IRREGULAR GRANULES
             PROBABLY MAGN*

Alteration - SMECTITE
             Location: GROUNDMASS,    Replacing: OL
             Location: VESICLES
             OL + GROUNDMASS MATERIAL PARTLY REPLACED BY SMEC;

             CARBONATE
             Location: VESICLES

Vesicles   -
             Size(mm):      0.5
             Percent:    TR
             Filling: SMEC,CARB
             Shape: ROUND




Leg : 65    Top/Bottom Interval(mm):   70/  90  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   194.00   Rock Type: IGNEOUS
Core:  17   Sample Midpoint(m)     :   197.08   Sect/Pc #:  3/PCE 1A

ROCK = PLAG MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,MEDIUM-GRAINED,
       INTERSERTAL*

Phenocrysts- OLIVINE                   (   <1%)
             Size(mm):    0.5-1.5  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (    2%)
             Size(mm):        1-2  Morphology: SUBHEDRAL
             OFTEN CORRODED,FRESH*

Groundmass - OLIVINE                   (    4%)
             Size(mm):    0.2-0.5  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (45-50%)
             Size(mm):      0.5-1  Morphology: SUBHEDRAL
             FRESH;

             CLINOPYROXENE             (   30%)
             Size(mm):    0.2-0.6  Morphology: ANHEDRAL
             FRESH,2VZ=40;

             OPAQUE MINERALS           (    5%)
             Size(mm):    0.005-1  Morphology: SQUARE-LATH-SHAPED
             MAGN-ILMENITE;

             MICROCRYST GROUNDMASS     (10-12%)
             INTERSTITIAL MATERIAL,MOSTLY GLASSY TO MICROXLN,
             PARTLY REPLACED BY SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC*

Vesicles   -
             Size(mm):    0.5-1
             Percent:    <1
             Filling: SMEC
             Shape: SUBROUND-

             Shape: IRREGULAR




Leg : 65    Top/Bottom Interval(mm):  350/ 370  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   199.00   Rock Type: IGNEOUS
Core:  18   Sample Midpoint(m)     :   199.36   Sect/Pc #:  1/PCE 5A

ROCK = PLAG MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,FINE-GRAINED,
       INTERGRANULAR-INTERSERTAL*

Phenocrysts- OLIVINE                   (   <1%)
             Size(mm):      0.5-1  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (    2%)
             Size(mm):        1-2  Morphology: SUBHEDRAL,LATHS
             FRESH*

Groundmass - OLIVINE                   (  1-2%)
             Size(mm):    0.2-0.3  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (45-50%)
             Size(mm):    0.2-0.4  Morphology: ACICULAR
             FRESH;

             CLINOPYROXENE             (40-45%)
             Size(mm):    0.1-0.3  Morphology: GRANULAR
             FRESH,OFTEN POORLY CRYSTALLIZED;

             OPAQUE MINERALS           (    5%)
             Size(mm):  0.005-0.1  Morphology: SQUARE-LATH-LIKE
             MAGN-ILMENITE*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL REPLACED BY SMEC;

             CARBONATE
             Location: VESICLES

Vesicles   -
             Size(mm):      1-2
             Percent:   3-5
             Filling: SMEC,CARB
             Shape: SUBROUND




Leg : 65    Top/Bottom Interval(mm):  450/ 480  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   199.00   Rock Type: IGNEOUS
Core:  18   Sample Midpoint(m)     :   202.47   Sect/Pc #:  3/PCE 6

ROCK = PLAG-OL MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,FINE-GRAINED,INTERSERTAL-
       INTERGRANULAR,SOMEWHAT VARIOLITIC*

Phenocrysts- OLIVINE                   (  1-2%)
             Size(mm):      0.5-1  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (  2-3%)
             Size(mm):        1-2  Morphology: PRISMS,LATHS
             SERIATE WITH GROUNDMASS,SOME XTLS CORRODED AND
             MOST ZONED,FRESH*

Groundmass - OLIVINE                   (  1-2%)
             Size(mm):    0.3-0.5  Morphology: SUBHEDRAL,SKELETAL
             OFTEN SKELETAL,REPLACED BY SMEC + MINOR CARB;

             PLAGIOCLASE               (   45%)
             Size(mm):   0.05-0.5  Morphology: SUBHEDRAL,LATHS
             OFTEN IN CLOTS INTERGROWN WITH OL + CPX;

             CLINOPYROXENE             (   30%)
             Size(mm):   0.05-0.5  Morphology: GRANULAR-ACICULAR
             FRESH,2VZ=45;

             OPAQUE MINERALS           (  3-4%)
             Size(mm):  0.005-0.2  Morphology: GRANULAR
             PROBABLY MAGN;

             MICROCRYST GROUNDMASS     (   10%)
             INTERSTITIAL MATERIAL,GLASSY TO MICROXLN,PARTLY
             REPLACED BY SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC*

Vesicles   -
             Size(mm):        1
             Percent:   2-3
             Filling: SMEC
             Shape: ROUND
             SOME SEGREGATION VESICLES*




Leg : 65    Top/Bottom Interval(mm): 1230/1250  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   204.00   Rock Type: IGNEOUS
Core:  19   Sample Midpoint(m)     :   205.24   Sect/Pc #:  1/PCE 12B

ROCK = PLAG MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,MEDIUM-GRAINED,
       INTERGRANULAR-INTERSERTAL*

Phenocrysts- PLAGIOCLASE               (  2-3%)
             Size(mm):        1-2  Morphology: SUBHEDRAL
             OFTEN ZONED,FRESH*

Groundmass - OLIVINE                   (  2-3%)
             Size(mm):    0.1-0.3  Morphology: SUBHEDRAL
             REPLACED BY SMEC + CARB;

             PLAGIOCLASE               (45-50%)
             Size(mm):      0.2-1  Morphology: SUBHEDRAL
             FRESH;

             CLINOPYROXENE             (40-45%)
             Size(mm):    0.1-0.5  Morphology: ANHEDRAL
             FRESH,2VZ=45;

             OPAQUE MINERALS           (  3-5%)
             Size(mm):  0.005-0.1  Morphology: SQUARE
             MAGN;

             MICROCRYST GROUNDMASS     (  5-7%)
             INTERSTITIAL MATERIAL,MOSTLY MICROXLN MATERIAL,
             PARTLY REPLACED BY SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC +
             MINOR CARB;

             CARBONATE
             Location: INTERSTITIAL   Replacing: OL
             OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC +
             MINOR CARB*

Vesicles   -
             Size(mm):      1-2
             Percent:     1
             Filling: SMEC
             Shape: ROUND-

             Shape: IRREGULAR




Leg : 65    Top/Bottom Interval(mm): 1220/1240  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   204.00   Rock Type: IGNEOUS
Core:  19   Sample Midpoint(m)     :   206.73   Sect/Pc #:  2/PCE 6C

ROCK = PLAG-OL PHYRIC BASALT;
       Texture: PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (  2-3%)
             Size(mm):    0.3-0.6  Morphology: SUBHEDRAL
             REPLACED BY SMEC,OFTEN IN GLOMEROPHYRIC CLUSTERS
             WITH PLAG;

             PLAGIOCLASE               (10-12%)
             Size(mm):    0.3-3.5  Morphology: EUHEDRAL-SUBHEDRAL
             FRESH;

             CLINOPYROXENE             (   TR%)
             Size(mm):    0.4-0.8  Morphology: ANHEDRAL
             INTERGROWN WITH PLAG,FRESH*

Groundmass - MESOSTASIS                (   85%)
             QUENCH MIXTURE OF ACICULAR PLAG + GRANULAR MAGN +
             POORLY CRYSTALLIZED CPX,FRESH;

             PLAGIOCLASE
             Morphology: ACICULAR
             QUENCH;

             MAGNETITE
             Morphology: GRANULAR
             QUENCH;

             CLINOPYROXENE
             POORLY CRYSTALLIZED*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL REPLACED BY SMEC*

Vesicles   -
             Size(mm):        1
             Percent:    <1
             Filling: SMEC
             Shape: ROUND




Leg : 65    Top/Bottom Interval(mm):  510/ 530  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   204.00   Rock Type: IGNEOUS
Core:  19   Sample Midpoint(m)     :   207.52   Sect/Pc #:  3/PCE 3A

ROCK = APHYRIC BASALT;
       Texture: APHYRIC,MEDIUM- TO COARSE-GRAINED,OPHIMOTTLED*

Groundmass - OLIVINE                   (    3%)
             Size(mm):    0.5-1.5  Morphology: SUBHEDRAL
             REPLACED BY SMEC + CARB;

             PLAGIOCLASE               (35-40%)
             Size(mm):      0.5-2  Morphology: SUBHEDRAL,LATHS
             IN GLOMEROPHYRIC CLOTS WITH CPX,FRESH,OFTEN ZONED;

             CLINOPYROXENE             (20-25%)
             Size(mm):      0.2-1  Morphology: SUBHEDRAL-ANHEDRAL
             IN SUBOPHITIC CLOTS WITH PLAG,FRESH,2VZ=45;

             OPAQUE MINERALS           (    5%)
             Size(mm):   0.05-0.3  Morphology: LATHS
             MOSTLY LATHS,PROBABLY ILMENITE-MAGN,ALL IN
             INTERSTITIAL AREAS;

             MICROCRYST GROUNDMASS     (25-30%)
             INTERSTITIAL MATERIAL,MICROXLN MATERIAL
             SURROUNDING CLOTS OF PLAG + CPX,PARTLY REPLACED BY
             SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VEINLET
             OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC +
             CARB,ONE VEINLET (1 MM WIDE) FILLED WITH GREENISH-
             BROWN SMEC;

             CARBONATE
             Location: INTERSTITIAL   Replacing: OL
             OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC +
             CARB*

Vesicles   -
             Percent:     0




Leg : 65    Top/Bottom Interval(mm): 1370/1390  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   208.50   Rock Type: IGNEOUS
Core:  20   Sample Midpoint(m)     :   211.38   Sect/Pc #:  2/PCE 10

ROCK = PLAG-OL MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,FINE-GRAINED,INTERSERTAL-
       INTERGRANULAR*

Phenocrysts- OLIVINE                   (  1-2%)
             Size(mm):      0.5-1  Morphology: EUHEDRAL-SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (  2-3%)
             Size(mm):      1-1.5  Morphology: SUBHEDRAL
             STRONGLY ZONED,FRESH*

Groundmass - OLIVINE                   (  1-2%)
             Size(mm):    0.1-0.3  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (45-50%)
             Size(mm):      0.2-1  Morphology: SUBHEDRAL,LATHS
             FRESH;

             CLINOPYROXENE             (30-35%)
             Size(mm):    0.1-0.4  Morphology: GRANULAR
             FRESH,2VZ=45;

             OPAQUE MINERALS           (  3-4%)
             Size(mm):  0.005-0.1  Morphology: GRANULAR-LATH-SHAPED
             MAGN-ILMENITE;

             MICROCRYST GROUNDMASS     (10-12%)
             INTERSTITIAL MATERIAL,DARK BROWN GLASSY TO
             MICROXLN MATERIAL,MINOR REPLACEMENT BY SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL + MINOR INTERSTITIAL MATERIAL REPLACED BY SMEC*

Vesicles   -
             Size(mm):      0.5
             Percent:    TR
             Filling: SMEC
             Shape: ROUND
             SOME WITH SEGREGATION PATCHES*




Leg : 65    Top/Bottom Interval(mm): 1000/1020  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   213.00   Rock Type: IGNEOUS
Core:  21   Sample Midpoint(m)     :   215.51   Sect/Pc #:  2/PCE 6

ROCK = PLAG-CPX-OL PHYRIC BASALT;
       Texture: PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (    2%)
             Size(mm):      0.5-1  Morphology: EUHEDRAL
             REPLACED BY SMEC + CARB;

             PLAGIOCLASE               (   10%)
             Size(mm):        1-5  Morphology: SUBHEDRAL,PRISMS
             FRESH,OFTEN IN CLOTS WITH CPX;

             CLINOPYROXENE             (  2-3%)
             Size(mm):      0.2-1  Morphology: ANHEDRAL-ROUNDED
             FRESH,2VZ=45,SOMETIMES ZONED*

Groundmass - MESOSTASIS                (   85%)
             QUENCH MIXTURE OF POORLY CRYSTALLIZED PLAG +
             RADIATING SHEAVES OF CPX + MINUTE GRANULES OF
             OP.MINS + GLASSY INTERSTITIAL MATERIAL,FRESH;

             PLAGIOCLASE
             POORLY CRYSTALLIZED;

             CLINOPYROXENE
             Morphology: RADIATING SHEAVES
             QUENCH;

             OPAQUE MINERALS
             Morphology: GRANULES
             MINUTE GRANULES*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL REPLACED BY SMEC*

Vesicles   -
             Size(mm):  0.2-0.5
             Percent:    <1
             Filling: SMEC
             Shape: ROUND
             SOME SEGREGATION VESICLES*




Leg : 65    Top/Bottom Interval(mm): 1170/1190  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   217.50   Rock Type: IGNEOUS
Core:  22   Sample Midpoint(m)     :   220.18   Sect/Pc #:  2/PCE 16

ROCK = PLAG-OL-CPX PHYRIC BASALT;
       Texture: PORPHYRITIC,VERY FINE-GRAINED,INTERGRANULAR-
       INTERGRANULAR*

Phenocrysts- OLIVINE                   (    4%)
             Size(mm):    0.3-1.5  Morphology: EUHEDRAL-SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (   10%)
             Size(mm):      0.3-3  Morphology: SUBHEDRAL
             FRESH,OFTEN IN GLOMEROCRYSTS;

             CLINOPYROXENE             (  3-4%)
             Size(mm):    0.4-2.6  Morphology: ANHEDRAL-ROUNDED
             OCCURS AS INDIVIDUAL ROUNDED XTLS AND IN
             GLOMEROCRYSTS WITH PLAG,FRESH,2VZ=45,OFTEN SECTOR
             ZONED*

Groundmass - OLIVINE                   (  2-3%)
             Size(mm):    0.1-0.2  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (35-40%)
             Size(mm):    0.1-0.4  Morphology: SUBHEDRAL,LATHS
             FRESH;

             CLINOPYROXENE             (30-35%)
             Size(mm):    0.1-0.3  Morphology: GRANULAR
             FRESH;

             OPAQUE MINERALS           (    3%)
             Size(mm): 0.005-0.05  Morphology: GRANULES
             PROBABLY MAGN;

             MICROCRYST GROUNDMASS     (    5%)
             INTERSTITIAL MATERIAL,GLASSY,PARTLY REPLACED BY
             SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC*

Vesicles   -
             Size(mm):      0.5
             Percent:    TR
             Shape: ROUND
             SEGREGATION VESICLES*




Leg : 65    Top/Bottom Interval(mm):  950/ 970  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   222.00   Rock Type: IGNEOUS
Core:  23   Sample Midpoint(m)     :   222.96   Sect/Pc #:  1/PCE 5

ROCK = PLAG-CPX-OL PHYRIC BASALT;
       Texture: PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (  2-3%)
             Size(mm):    0.3-0.8  Morphology: EUHEDRAL-SUBHEDRAL
             ALTERED TO SMEC;

             PLAGIOCLASE               (   10%)
             Size(mm):      0.5-2  Morphology: SUBHEDRAL,LATHS
             FRESH;

             CLINOPYROXENE             (    4%)
             Size(mm):      0.5-1  Morphology: ANHEDRAL
             MOSTLY INTERGROWN WITH PLAG IN GLOMEROPHYRIC
             CLOTS,FRESH,2VZ=45,OFTEN SECTOR ZONED*

Groundmass - MESOSTASIS                (80-85%)
             QUENCH MIXTURE OF PLAG MICROLITES + RADIATING
             SHEAVES OF CPX + GRANULAR OP.MINS + A FEW GRAINS
             OF FRESH OL;

             PLAGIOCLASE
             MICROLITES,QUENCH;

             CLINOPYROXENE
             Morphology: RADIATING SHEAVES
             QUENCH;

             OPAQUE MINERALS
             Morphology: GRANULAR
             QUENCH;

             OLIVINE
             Morphology: GRAINS
             A FEW GRAINS OF FRESH OL*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL PARTLY REPLACED BY SMEC*

Vesicles   -
             Size(mm):  0.3-0.5
             Percent:   1-2
             Filling: SMEC
             Shape: ROUND
             SOME SEGREGATION VESICLES*




Leg : 65    Top/Bottom Interval(mm):  290/ 310  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   222.00   Rock Type: IGNEOUS
Core:  23   Sample Midpoint(m)     :   225.30   Sect/Pc #:  3/PCE 3

ROCK = PLAG-CPX-OL MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,QUENCH;
       Where sampled: FLOW INTERIOR*

Phenocrysts- OLIVINE                   (    2%)
             Size(mm):    0.2-0.4  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (    5%)
             Size(mm):      0.3-3  Morphology: SUBHEDRAL
             FRESH,USUALLY ZONED;

             CLINOPYROXENE             (    3%)
             Size(mm):    0.3-0.8  Morphology: SUBHEDRAL
             OFTEN IN GLOMEROPHYRIC CLOTS WITH PLAG,FRESH,
             2VZ=45,OFTEN ZONED,SOME XTLS CORRODED*

Groundmass - MESOSTASIS                (   90%)
             QUENCH MIXTURE OF PLAG MICROLITES + SMALL OL XTLS
             + RADIATING SHEAVES OF CPX + GRANULAR OP.MINS;

             PLAGIOCLASE
             MICROLITES,QUENCH;

             OLIVINE
             SMALL;

             CLINOPYROXENE
             Morphology: RADIATING SHEAVES
             QUENCH;

             OPAQUE MINERALS
             Morphology: GRANULAR
             QUENCH*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL

Vesicles   -
             Size(mm): 0.05-0.5
             Percent:     1
             Filling: SMEC
             Shape: ROUND




Leg : 65    Top/Bottom Interval(mm):  690/ 710  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   222.00   Rock Type: IGNEOUS
Core:  23   Sample Midpoint(m)     :   227.20   Sect/Pc #:  4/PCE 9B

ROCK = PLAG-CPX-OL PHYRIC BASALT;
       Texture: PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (    2%)
             Size(mm):    0.2-0.4  Morphology: EUHEDRAL
             REPLACED BY SMEC + CARB;

             PLAGIOCLASE               (  7-8%)
             Size(mm):      0.5-2  Morphology: SUBHEDRAL,PRISMS
             HIGHLY ZONED,FRESH;

             CLINOPYROXENE             (  3-4%)
             Size(mm):      0.5-1  Morphology: ANHEDRAL
             USUALLY INTERGROWN WITH PLAG IN GLOMEROPHYRIC
             CLOTS,FRESH,2VZ=45,USUALLY ZONED*

Groundmass - MESOSTASIS                (   85%)
             POORLY CRYSTALLIZED MIXTURE OF PLAG MICROLITES +
             RADIATING SHEAVES OF CPX + MINUTE GRANULES OF
             OP.MINS + SOME INTERSTITIAL GLASS,FRESH;

             PLAGIOCLASE
             MICROLITES;

             CLINOPYROXENE
             Morphology: RADIATING SHEAVES

             OPAQUE MINERALS
             Morphology: GRANULES
             MINUTE GRANULES;

             GLASS
             SOME INTERSTITIAL GLASS*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL

Vesicles   -
             Size(mm):  0.5-0.8
             Percent:    TR
             Filling: SMEC
             Shape: ROUND




Leg : 65    Top/Bottom Interval(mm):  110/ 140  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   226.50   Rock Type: IGNEOUS
Core:  24   Sample Midpoint(m)     :   228.13   Sect/Pc #:  2/PCE 1B

ROCK = PLAG-CPX-OL PHYRIC BASALT;
       Texture: PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (  2-3%)
             Size(mm):      0.4-1  Morphology: SUBHEDRAL
             REPLACED BY SMEC + CARB;

             PLAGIOCLASE               (    7%)
             Size(mm):    0.3-2.5  Morphology: SUBHEDRAL
             OFTEN IN CLUSTERS,FRESH,STRONGLY ZONED;

             CLINOPYROXENE             (  3-4%)
             Size(mm):    0.4-0.6  Morphology: ANHEDRAL-ROUNDED
             USUALLY IN GLOMEROPHYRIC CLOTS WITH PLAG,FRESH,
             2VZ=45*

Groundmass - MESOSTASIS                (   85%)
             QUENCH MIXTURE OF SKELETAL PLAG MICROLITES +
             RADIATING SHEAVES OF CPX + GRANULAR OP.MINS +
             MINOR GLASS,FRESH;

             PLAGIOCLASE
             Morphology: SKELETAL
             SKELETAL MICROLITES;

             CLINOPYROXENE
             Morphology: RADIATING SHEAVES
             QUENCH;

             OPAQUE MINERALS
             Morphology: GRANULAR
             QUENCH;

             GLASS
             MINOR*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL REPLACED BY SMEC + CARB;

             CARBONATE
             Location: VESICLES       Replacing: OL
             OL REPLACED BY SMEC + CARB*

Vesicles   -
             Size(mm):    0.5-1
             Percent:   1-2
             Filling: SMEC,CARB
             SOME WITH SEGREGATION PATCHES*




Leg : 65    Top/Bottom Interval(mm):   80/ 100  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   231.00   Rock Type: IGNEOUS
Core:  25   Sample Midpoint(m)     :   234.09   Sect/Pc #:  3/PCE 2

ROCK = PLAG-CPX-OL PHYRIC BASALT;
       Texture: PORPHYRITIC,FINE-GRAINED,INTERGRANULAR-
       INTERSERTAL*

Phenocrysts- OLIVINE                   (    2%)
             Size(mm):    0.4-0.8  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               ( 8-10%)
             Size(mm):      0.4-1
             SERIATE WITH GROUNDMASS,FRESH,SOME CLOTS WITH CPX;

             CLINOPYROXENE             (    3%)
             Size(mm):      0.4-1  Morphology: ANHEDRAL
             FRESH,OFTEN IN CLOTS WITH PLAG,2VZ=45*

Groundmass - OLIVINE                   (  1-2%)
             Size(mm):    0.1-0.3  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (   40%)
             Size(mm):    0.2-0.4  Morphology: SUBHEDRAL,LATHS
             FRESH;

             CLINOPYROXENE             (   30%)
             Size(mm):   0.05-0.3  Morphology: GRANULAR-RADIATING SHEAVES
             FRESH,2VZ=45;

             OPAQUE MINERALS           (  2-3%)
             Size(mm):  0.005-0.1  Morphology: GRANULAR-LATH-SHAPED
             MAGN-ILMENITE;

             MICROCRYST GROUNDMASS     (   10%)
             INTERSTITIAL MATERIAL,PARTLY REPLACED BY SMEC*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL REPLACED BY SMEC*

Vesicles   -
             Size(mm):      0.5
             Percent:    <1
             Filling: SMEC
             Shape: ROUND
             FILLED WITH BROWN SMEC*




Leg : 65    Top/Bottom Interval(mm):  960/1000  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   235.50   Rock Type: IGNEOUS
Core:  26   Sample Midpoint(m)     :   237.98   Sect/Pc #:  2/PCE 14

ROCK = PLAG-CPX-OL PHYRIC BASALT;
       Texture: PORPHYRITIC,FINE-GRAINED,INTERSERTAL*

Phenocrysts- OLIVINE                   (    2%)
             Size(mm):    0.4-0.6  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               ( 8-10%)
             Size(mm):      0.5-2
             SERIATE WITH GROUNDMASS,OFTEN IN GLOMEROPHYRIC
             CLOTS WITH CPX,STRONGLY ZONED,FRESH;

             CLINOPYROXENE             (  3-4%)
             Size(mm):    0.3-0.8  Morphology: SUBHEDRAL
             OCCURS MOSTLY IN GLOMEROPHYRIC CLOTS WITH PLAG BUT
             THERE ARE SOME INDIVIDUAL CORRODED XTLS,FRESH,
             2VZ=45*

Groundmass - OLIVINE                   (    2%)
             Size(mm):    0.1-0.2  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (   40%)
             Size(mm):    0.1-0.5  Morphology: SUBHEDRAL,LATHS
             FRESH;

             CLINOPYROXENE             (   20%)
             Size(mm):    0.1-0.3  Morphology: GRANULAR-RADIATING SHEAVES
             FRESH,2VZ=45;

             OPAQUE MINERALS           (  2-3%)
             Size(mm):  0.005-0.1  Morphology: GRANULAR-LATH-SHAPED
             MAGN-ILMENITE;

             MICROCRYST GROUNDMASS     (   20%)
             INTERSTITIAL MATERIAL,PARTLY REPLACED BY SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC*

Vesicles   -
             Size(mm):  0.3-0.5
             Percent:   1-2
             Filling: SMEC
             Shape: ROUND
             FILLED WITH BROWN SMEC,A FEW SEGREGATION VESICLES*




Leg : 65    Top/Bottom Interval(mm): 1450/1470  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   235.50   Rock Type: IGNEOUS
Core:  26   Sample Midpoint(m)     :   238.46   Sect/Pc #:  2/PCE 17C

ROCK = PLAG-CPX-OL PHYRIC BASALT;
       Texture: PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (  1-2%)
             Size(mm):    0.3-0.8  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               ( 8-10%)
             Size(mm):    0.3-1.5  Morphology: SUBHEDRAL,LATHS
             OFTEN INTERGROWN WITH CPX,FRESH;

             CLINOPYROXENE             (    2%)
             Size(mm):    0.2-0.8  Morphology: SUBHEDRAL
             INTERGROWN WITH PLAG,FRESH,2VZ=45*

Groundmass - MESOSTASIS                (85-90%)
             QUENCH MIXTURE OF PLAG MICROLITES + SHEAVES OF CPX
             + GRANULAR OP.MINS + ABUNDANT DARK BROWN GLASS,
             FRESH;

             PLAGIOCLASE
             MICROLITES;

             CLINOPYROXENE
             Morphology: SHEAVES
             QUENCH;

             OPAQUE MINERALS
             Morphology: GRANULAR
             QUENCH;

             GLASS
             ABUNDANT DARK BROWN GLASS*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL REPLACED BY SMEC*

Vesicles   -
             Size(mm):      0.4
             Percent:    <1
             Filling: SMEC
             Shape: ROUND




Leg : 65    Top/Bottom Interval(mm):  850/ 870  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   240.00   Rock Type: IGNEOUS
Core:  27   Sample Midpoint(m)     :   243.86   Sect/Pc #:  3/PCE 1H

ROCK = APHYRIC BASALT;
       Texture: APHYRIC,MEDIUM- TO COARSE-GRAINED,INTERGRANULAR-
       INTERSERTAL*

Groundmass - OLIVINE                   (  2-3%)
             Size(mm):    0.2-0.6  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (40-45%)
             Size(mm):    0.2-1.5  Morphology: SUBHEDRAL,LATHS
             FRESH;

             CLINOPYROXENE             (35-40%)
             Size(mm):      0.2-2  Morphology: PLATES
             OFTEN IN SUBOPHITIC PLATES,FRESH,2VZ=45;

             OPAQUE MINERALS           (  3-4%)
             Size(mm):   0.05-0.7  Morphology: SQUARE XTLS-LATHS
             MAGN-ILMENITE;

             MICROCRYST GROUNDMASS     (   15%)
             INTERSTITIAL MATERIAL,GLASSY TO DEVITRIFIED,PARTLY
             REPLACED BY SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL + SOME INTERSTITIAL MATERIAL REPLACED BY SMEC*

Vesicles   -
             Size(mm):   TO 0.5
             Percent:    <1
             Filling: SMEC
             Shape: ROUND
             FILLED WITH BROWN SMEC*




Leg : 65    Top/Bottom Interval(mm):  660/ 680  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   244.50   Rock Type: IGNEOUS
Core:  28   Sample Midpoint(m)     :   245.17   Sect/Pc #:  1/PCE 4B

ROCK = APHYRIC BASALT;
       Texture: APHYRIC,MEDIUM-GRAINED, INTERSERTAL*

Groundmass - OLIVINE                   (  2-3%)
             Size(mm):      0.5-1  Morphology: SUBHEDRAL
             PARTLY REPLACED BY SMEC,SOME FRESH REMNANTS;

             PLAGIOCLASE               (35-40%)
             Size(mm):    0.2-1.5  Morphology: SUBHEDRAL,LATHS
             FRESH;

             CLINOPYROXENE             (30-35%)
             Size(mm):    0.2-0.8  Morphology: ANHEDRAL
             INTERGROWN WITH PLAG,FRESH,2VZ=45;

             OPAQUE MINERALS           (  3-4%)
             Size(mm):   0.05-0.5  Morphology: SQUARE XTLS-LATHS
             MAGN-ILMENITE,OCCURS IN INTERSTITIAL PATCHES;

             MICROCRYST GROUNDMASS     (   20%)
             INTERSTITIAL MATERIAL,GLASSY TO MICROXLN,IN LARGE
             IRREGULAR PATCHES,PARTLY REPLACED BY SMEC,MOSTLY
             FRESH*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             OL + INTERSTITIAL MATERIAL PARTLY REPLACED BY
             SMEC*

Vesicles   -
             Size(mm):   TO 0.5
             Percent:    <1
             Filling: SMEC
             Shape: ROUND-

             Shape: IRREGULAR
             FILLED WITH BROWN SMEC*




Leg : 65    Top/Bottom Interval(mm):  310/ 340  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   253.50   Rock Type: IGNEOUS
Core:  30   Sample Midpoint(m)     :   253.83   Sect/Pc #:  1/PCE 4A

ROCK = PLAG-OL-CPX PHYRIC BASALT;
       Texture: PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (    3%)
             Size(mm):      0.5-4  Morphology: SUBHEDRAL
             OFTEN CORRODED,REPLACED BY SMEC + MINOR CARB;

             PLAGIOCLASE               (    8%)
             Size(mm):      0.3-2  Morphology: EUHEDRAL-SUBHEDRAL
             FRESH,SOMETIMES IN GLOMEROPHYRIC CLUSTERS;

             CLINOPYROXENE             (  1-2%)
             Size(mm):    0.1-0.5
             INTERGROWN WITH PLAG,FRESH,2VZ=45*

Groundmass - MESOSTASIS                (85-90%)
             QUENCH MIXTURE OF PLAG MICROLITES + SHEAVES OF CPX
             + GRANULAR OP.MINS + INTERSTITIAL GLASS;

             PLAGIOCLASE
             MICROLITES;

             CLINOPYROXENE
             Morphology: SHEAVES
             QUENCH;

             OPAQUE MINERALS
             Morphology: GRANULAR
             QUENCH;

             GLASS
             INTERSTITIAL*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL ALTERED TO SMEC + MINOR CARB;

             CARBONATE
             Replacing: OL
             OL ALTERED TO SMEC + MINOR CARB*

Vesicles   -
             Size(mm):   TO 0.4
             Percent:     1
             Filling: SMEC
             Shape: ROUND
             FILLED WITH BROWN SMEC*




Leg : 65    Top/Bottom Interval(mm):  860/ 890  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   258.00   Rock Type: IGNEOUS
Core:  31   Sample Midpoint(m)     :   260.38   Sect/Pc #:  2/PCE 7A

ROCK = PLAG-OL MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (  3-5%)
             Size(mm):      0.3-2  Morphology: EUHEDRAL-SUBHEDRAL
             ALTERED TO SMEC + CARB;

             PLAGIOCLASE               (  5-7%)
             Size(mm):      0.2-3  Morphology: SUBHEDRAL
             FRESH*

Groundmass - MESOSTASIS                (   90%)
             QUENCH GROUNDMASS--MOSTLY BROWN GLASS WITH MINOR
             PLAG MICROLITES + GRANULAR OP.MINS + POORLY
             CRYSTALLIZED CPX,FRESH;

             GLASS
             GROUNDMASS IS MOSTLY BROWN GLASS;

             PLAGIOCLASE
             MINOR,MICROLITES;

             OPAQUE MINERALS
             Morphology: GRANULAR
             MINOR;

             CLINOPYROXENE
             MINOR,POORLY CRYSTALLIZED*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL REPLACED + SMEC + CARB;

             CARBONATE
             Replacing: OL
             OL REPLACED BY SMEC + CARB*

Vesicles   -
             Size(mm):   TO 0.6
             Percent:    <1
             Filling: SMEC
             Shape: ROUND
             FILLED WITH BROWN SMEC*




Leg : 65    Top/Bottom Interval(mm): 1350/1370  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   262.50   Rock Type: IGNEOUS
Core:  32   Sample Midpoint(m)     :   263.86   Sect/Pc #:  1/PCE 5E

ROCK = PLAG-OL MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,FINE-GRAINED,INTERSERTAL*

Phenocrysts- OLIVINE                   (  2-3%)
             Size(mm):    0.3-1.1  Morphology: SUBHEDRAL
             REPLACED BY SMEC + CARB;

             PLAGIOCLASE               (  7-8%)
             Size(mm):      0.5-2  Morphology: SKELETAL
             SERIATE WITH GROUNDMASS,FRESH*

Groundmass - OLIVINE                   (  1-2%)
             Size(mm):   0.05-0.2  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (30-35%)
             Size(mm):    0.1-0.5  Morphology: SUBHEDRAL
             FRESH;

             CLINOPYROXENE             (30-35%)
             Size(mm):   0.05-0.4  Morphology: ANHEDRAL
             FRESH,2VZ=45;

             OPAQUE MINERALS           (  3-4%)
             Size(mm):   0.05-0.3  Morphology: SQUARE XTLS-LATHS
             MAGN-ILMENITE;

             MICROCRYST GROUNDMASS     (15-20%)
             INTERSTITIAL MATERIAL,DEVITRIFIED GLASS,MOSTLY
             FRESH;

             GLASS
             INTERSTITIAL,DEVITRIFIED*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL REPLACED BY SMEC + CARB;

             CARBONATE
             Replacing: OL
             OL REPLACED BY SMEC + CARB*

Vesicles   -
             Size(mm):     TO 1
             Percent:    <1
             Filling: SMEC
             Shape: ROUND




Leg : 65    Top/Bottom Interval(mm):  630/ 650  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   262.50   Rock Type: IGNEOUS
Core:  32   Sample Midpoint(m)     :   266.14   Sect/Pc #:  3/PCE 7

ROCK = PLAG-CPX-OL PHYRIC BASALT;
       Texture: PORPHYRITIC,QUENCH*

Phenocrysts- OLIVINE                   (    2%)
             Size(mm):      0.2-1  Morphology: SUBHEDRAL
             REPLACED BY SMEC;

             PLAGIOCLASE               (  5-7%)
             Size(mm):    0.3-1.5  Morphology: SUBHEDRAL,LATHS
             FRESH;

             CLINOPYROXENE             (    3%)
             Size(mm):    0.2-0.4  Morphology: ANHEDRAL
             INTERGROWN IN CLOTS WITH PLAG,FRESH,2VZ=45*

Groundmass - MESOSTASIS                (85-90%)
             MOSTLY DEVITRIFIED GLASS WITH MINOR PLAG
             MICROLITES + GRANULAR OP.MINS;

             GLASS
             GROUNDMASS IS MOSTLY DEVITRIFIED GLASS;

             PLAGIOCLASE
             MINOR,MICROLITES;

             OPAQUE MINERALS
             Morphology: GRANULAR
             MINOR*

Alteration - SMECTITE
             Location: VESICLES       Replacing: OL
             OL ALTERED TO SMEC*

Vesicles   -
             Size(mm):  0.4-0.8
             Percent:     2
             Filling: SMEC
             Shape: ROUND




Leg : 65    Top/Bottom Interval(mm):   10/  30  Describer: Robinson, P.
Hole: 483B  Top of Core Depth(m)   :   146.50   Rock Type: IGNEOUS
Core: B 1   Sample Midpoint(m)     :   146.52   Sect/Pc #:   /PCE 1

ROCK = PLAG-OL MODERATELY PHYRIC BASALT;
       Texture: MODERATELY PORPHYRITIC,MEDIUM-GRAINED,
       INTERSERTAL-SUBOPHITIC;
       Where sampled: PILLOW INTERIOR OR FLOW INTERIOR*

Phenocrysts- OLIVINE                   (    2%)
             Size(mm):      0.5-1  Morphology: SUBHEDRAL
             PARTLY REPLACED BY SMEC;

             PLAGIOCLASE               (    5%)
             Size(mm):       1-10  Morphology: SUBHEDRAL
             OFTEN CORRODED,STRONGLY ZONED,FRESH;

             CLINOPYROXENE             (   <1%)
             Size(mm):    0.2-0.5
             FRESH*

Groundmass - OLIVINE                   (    3%)
             Size(mm):    0.1-0.5  Morphology: SUBHEDRAL
             MOSTLY REPLACED BY SMEC;

             PLAGIOCLASE               (35-40%)
             Size(mm):      0.3-1  Morphology: SUBHEDRAL
             FRESH;

             CLINOPYROXENE             (30-35%)
             Size(mm):    0.2-0.5  Morphology: ANHEDRAL
             OFTEN SUBOPHITIC,FRESH,2VZ=45;

             OPAQUE MINERALS           (    3%)
             Morphology: SUBHEDRAL,GRAINS
             MINUTE SUBHEDRAL GRAINS IN INTERSTITIAL PATCHES;

             MICROCRYST GROUNDMASS     (15-20%)
             INTERSTITIAL MATERIAL,MOSTLY GLASSY,PARTLY
             REPLACED BY SMEC*

Alteration - SMECTITE
             Location: INTERSTITIAL,  Replacing: OL
             Location: VESICLES
             SOME OL + INTERSTITIAL MATERIAL REPLACED BY SMEC;

             CARBONATE
             Location: VESICLES

Vesicles   -
             Size(mm):  0.2-0.4
             Percent:     1
             Filling: SMEC,CARB
             Shape: ROUND




    

Introduction


Cite as: Deep Sea Drilling Project (1989): Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP). National Geophysical Data Center, NOAA. doi:10.7289/V54M92G2 [access date]

These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced in 1989 and modified in 2000 by the U.S. Department of Commerce, National Oceanic and Atmospheric Administration, National Environmental Satellite, Data, and Information Service, National Geophysical Data Center (now part of the National Centers for Environmental Information), and collocated World Data Center for Marine Geology and Geophysics, Boulder (now part of the World Data Service for Geophysics). Data were compiled in cooperation with the U.S. Science Support Program, of the Joint Oceanographic Institutions, Inc. (now the Consortium for Ocean Leadership), and the U.S. National Science Foundation.

Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.

Department of Commerce > NOAA > NESDIS > NCEI > doi:10.7289/V54M92G2