NOAA logo, National Centers for Environmental Information, National Oceanic and Atmospheric Administration NSF logo, National Science Foundation, Division of Ocean Sciences

Core Data from the Deep Sea Drilling Project


Leg : 38    Top/Bottom Interval(mm):   40/  70  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   399.00   Rock Type: SEDIMENTARY
Core:  42   Sample Midpoint(m)     :   400.56   Sect/Pc #:  2/PCE 1

ROCK = SANDSTONE
       WEATHERED FRAGMENTS OF BASALT AND CHERT CEMENTED
       BY CALCITE-CHLORITE-GOETHITE;




Leg : 38    Top/Bottom Interval(mm):  310/ 340  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   399.00   Rock Type: IGNEOUS
Core:  42   Sample Midpoint(m)     :   400.83   Sect/Pc #:  2/PCE 2

ROCK = BASALTIC BRECCIA
       ROUND FRAGMENTS OF BASALT CEMENTED BY CALCITE;




Leg : 38    Top/Bottom Interval(mm):  910/ 940  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   399.00   Rock Type: IGNEOUS
Core:  42   Sample Midpoint(m)     :   401.43   Sect/Pc #:  2/

ROCK = PLAG-BIOTITE PHYRIC BASALT;
       DIABASE?-DOLERITE?,ALTERED,CHLORITIZED*

Phenocrysts- PLAGIOCLASE               (   14%)
             % IS FOR ALL PHENOS;

             BIOTITE
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED*

Groundmass - PLAGIOCLASE               (   50%)

             PYROXENE                  (40-45%)

             MAGNETITE                 (  2-3%)

Alteration - CHLORITE
             Replacing: PHENOS

             GOETHITE
             Replacing: PHENOS

Vesicles   -
             Filling: CHLORITE




Leg : 38    Top/Bottom Interval(mm): 1040/1080  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   399.00   Rock Type: IGNEOUS
Core:  42   Sample Midpoint(m)     :   401.56   Sect/Pc #:  2/PCE 11

ROCK = BASALTIC BRECCIA
       ANGULAR FRAGMENTS OF ALTERED BASALT CEMENTED BY
       CHLORITE AND CALCITE WITH BROWN ISOTROPIC MATRIX
       (HYDROGOETHITE?);




Leg : 38    Top/Bottom Interval(mm): 1100/1120  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   399.00   Rock Type: IGNEOUS
Core:  42   Sample Midpoint(m)     :   401.61   Sect/Pc #:  2/

ROCK = BASALTIC BRECCIA
       ANGULAR CHLORITIZED BASALT(DIABASE?) CEMENTED BY
       CHLORITE-CALCITE MATRIX*




Leg : 38    Top/Bottom Interval(mm): 1280/1300  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   399.00   Rock Type: IGNEOUS
Core:  42   Sample Midpoint(m)     :   401.79   Sect/Pc #:  2/

ROCK = OL-AUGITE-PLAG MOD PHYRIC BASALT
       HIGHLY ALTERED,CHLORITIZED,CALCITIZED, DIABASE?,
       DOLERITE?;
       Texture: MOD PHYRIC,DIABASIC*

Phenocrysts- OLIVINE                   (    5%)
             ALTERED;

             AUGITE                    (    1%)
             ALTERED;

             PLAGIOCLASE               (    1%)
             ALTERED*

Alteration - CHLORITE
             Location: GROUNDMASS     Replacing: PHENOS

             CARBONATE
             Location: GROUNDMASS     Replacing: PHENOS

             CHLOROPHAEITE
             Location: GROUNDMASS     Replacing: PHENOS

             HEMATITE
             Replacing: PHENOS

Vesicles   -
             Size(mm):    .2-.4
             Percent:    10
             Filling: SMEC+CHLORITE+C
             Shape: HLOROPH+

             Filling: CARB




Leg : 38    Top/Bottom Interval(mm): 1360/1400  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   399.00   Rock Type: IGNEOUS
Core:  42   Sample Midpoint(m)     :   401.88   Sect/Pc #:  2/PCE 16

ROCK = PLAG-OL-AUGITE-BIOTITE PHYRIC BASALT
       ALTERED,CHLORITIZED,CALCITIZED, DOLERITE?,
       DIABASE?;
       Texture: DIABASIC,SUBOPHITIC*

Phenocrysts- OLIVINE                   (    3%)
             ALTERED;

             AUGITE                    (    1%)

             PLAGIOCLASE               (    6%)
             SOME FRESH(2%),SOME ALTERED(4%);

             BIOTITE
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED*

Groundmass - OLIVINE                   (  2-3%)

             PLAGIOCLASE               (45-50%)

             PYROXENE                  (40-45%)

             MAGNETITE                 (  1-2%)

Alteration - CHLORITE                  (    4%)
             Replacing: PHENOS

             CARBONATE                 (    6%)
             Replacing: PHENOS

             CHLOROPHAEITE
             Replacing: PHENOS

             HEMATITE
             Replacing: PHENOS

Vesicles   -
             Size(mm):     .5-1
             Percent:     8
             Filling: CHLORITE+CARBON
             Shape: ATE
             AMYGDULES*




Leg : 38    Top/Bottom Interval(mm): 1440/1470  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   399.00   Rock Type: IGNEOUS
Core:  42   Sample Midpoint(m)     :   401.96   Sect/Pc #:  2/PCE 17

ROCK = PLAG-OL-AUGITE-BIOTITE PHYRIC BASALT
       ALTERED BASALT(DOLERITE?,DIABASE?)-SAME AS 42-2-
       136-140;




Leg : 38    Top/Bottom Interval(mm): 1440/1471  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   399.00   Rock Type: IGNEOUS
Core:  42   Sample Midpoint(m)     :   401.96   Sect/Pc #:  2/

ROCK = BASALT*

Groundmass - OLIVINE                   (   20%)

             PYROXENE                  (   30%)

             PLAGIOCLASE               (   35%)

             IRON ORE                  (   10%)

             ALTERED GLASS             (    5%)
             PLUS MESOSTASIS,% BY MODAL ANALYSES*




Leg : 38    Top/Bottom Interval(mm): 1470/1500  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   399.00   Rock Type: IGNEOUS
Core:  42   Sample Midpoint(m)     :   401.99   Sect/Pc #:  2/PCE 17

ROCK = PLAG-OL-AUGITE-BIOTITE PHYRIC BASALT
       ALTERED BASALT(DOLERITE?,DIABASE?)-SAME AS 42-2-
       136-140 EXCEPT POSSIBLE ORTHOCLASE PHENOS;




Leg : 38    Top/Bottom Interval(mm):    0/   0  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   399.00   Rock Type: IGNEOUS
Core:  42   Sample Midpoint(m)     :   402.10   Sect/Pc #: CC/

ROCK = OL-PLAG MOD PHYRIC BASALT
       DOLERITE?,DIABASE?;
       Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC,INTERSERTAL*

Phenocrysts- OLIVINE                   (    4%)

             PLAGIOCLASE               (    1%)

Groundmass - PLAGIOCLASE               (40-50%)

             PYROXENE                  (   40%)

             MAGNETITE                 (    5%)

Alteration - CHLORITE                  (  2-3%)
             Replacing: PHENOS

             CHLORITE                  (    2%)
             Location: VEINS

             CARBONATE                 (  0-1%)
             Replacing: PHENOS

             CARBONATE                 (  2-3%)
             Location: VEINS

             HEMATITE
             Replacing: PHENOS

             CHLOROPHAEITE             (    1%)
             Location: VEINS

Vesicles   -
             Size(mm):     .5-2
             Percent:   8-9
             Filling: CHLOROPH+CARB+C
             Shape: HLORITE
             AMYGDULES ARE 5% AND FILLED WITH CALCITE+CHLORITE*




Leg : 38    Top/Bottom Interval(mm): 1220/1250  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   409.74   Sect/Pc #:  1/PCE 5

ROCK = PLAG MOD PHYRIC BASALT
       ALTERED,DOLERITE?,DIABASE?;
       Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC*

Phenocrysts- PLAGIOCLASE               (    7%)

Groundmass - PLAGIOCLASE               (   40%)

             PYROXENE                  (45-50%)

             MAGNETITE                 (  2-3%)

Alteration - CHLORITE
             Location: GROUNDMASS     Replacing: PHENOS

             CARBONATE
             Replacing: PHENOS

Vesicles   -
             Size(mm):     .3-3
             Percent: 10-15
             Filling: CHLORITE+CARB
             AMYGDULES*




Leg : 38    Top/Bottom Interval(mm): 1410/1430  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   409.92   Sect/Pc #:  1/PCE 7

ROCK = AUGITE-PLAG-BIOTITE MOD PHYRIC BASALT
       HIGHLY ALTERED,CHLORITIZED;
       Texture: MOD PHYRIC,SUBOPHITIC*

Phenocrysts- AUGITE                    (  1-2%)
             ALTERED;

             PLAGIOCLASE               (    1%)
             ALTERED;

             BIOTITE                   (  0-1%)
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED*

Groundmass - PLAGIOCLASE               (   40%)
             Size(mm):     .01-.1

             PYROXENE                  (45-50%)

             MAGNETITE                 (  5-7%)

Alteration - CHLORITE                  (    1%)
             Replacing: PHENOS+GLASS

             CHLOROPHAEITE             (  1-2%)
             Replacing: PHENOS

Vesicles   -
             Size(mm):     .5-2
             Percent:    15
             Filling: CHLOROPH+CHLORI
             Shape: TE




Leg : 38    Top/Bottom Interval(mm): 1410/1431  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   409.92   Sect/Pc #:  1/

ROCK = BASALT*

Groundmass - PYROXENE                  (   45%)

             PLAGIOCLASE               (   45%)

             IRON ORE                  (    7%)

             ALTERED GLASS             (    3%)
             PLUS MESOSTASIS;

             OTHER                     (   TR%)
             ACCESSORIES,% BY MODAL ANALYSES*




Leg : 38    Top/Bottom Interval(mm):  120/ 150  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   410.14   Sect/Pc #:  2/PCE 2

ROCK = PLAG-AUGITE-OL PHYRIC BASALT
       CHLORITIZED,DOLERITE?;
       Texture: DIABASIC,SUBOPHITIC,PHYRIC*

Phenocrysts- OLIVINE                   (    1%)
             ALTERED;

             AUGITE                    (    3%)
             SOME FRESH(1%),SOME ALTERED(2%);

             PLAGIOCLASE               (    6%)
             SOME FRESH(1%),SOME ALTERED(5%);

             BIOTITE
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED;

             ALBITE
             ID UNCERTAIN FOR ALBITE*

Groundmass - OLIVINE                   (    1%)
             Size(mm):       .1-1

             PLAGIOCLASE               (45-50%)
             Size(mm):     TO 2-3

             PYROXENE                  (35-40%)

             MAGNETITE                 (    3%)

Alteration - CHLORITE
             Replacing: PHENOS

Vesicles   -
             Size(mm):    .3-.5
             Percent:   1-2
             Filling: CHLORITE




Leg : 38    Top/Bottom Interval(mm):  300/ 330  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   410.32   Sect/Pc #:  2/PCE 4

ROCK = PLAG-AUGITE-OL PHYRIC BASALT
       SAME AS 43-2-12-15 BUT CALCITIZED;




Leg : 38    Top/Bottom Interval(mm):  410/ 440  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   410.43   Sect/Pc #:  2/

ROCK = PLAG-AUGITE-OL PHYRIC BASALT
       SAME AS 43-2-12-15*




Leg : 38    Top/Bottom Interval(mm):  430/ 460  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   410.45   Sect/Pc #:  2/

ROCK = PLAG-AUGITE-OL PHYRIC BASALT
       SAME AS 43-2-12-15*




Leg : 38    Top/Bottom Interval(mm):  430/ 461  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   410.45   Sect/Pc #:  2/

ROCK = BASALT*

Groundmass - PYROXENE                  (   47%)

             PLAGIOCLASE               (   45%)

             IRON ORE                  (    5%)

             ALTERED GLASS             (    3%)
             PLUS MESOSTASIS;

             OTHER                     (   TR%)
             ACCESSORIES,% BY MODAL ANALYSES*




Leg : 38    Top/Bottom Interval(mm): 1150/1180  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   411.17   Sect/Pc #:  2/PCE 16

ROCK = PLAG-OL-AUGITE-BIOTITE MOD PHYRIC BASALT
       ALTERED,DOLERITE?,DIABASE?,CHLORITIZED;
       Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC*

Phenocrysts- OLIVINE
             ALTERED;

             AUGITE
             ALTERED;

             PLAGIOCLASE               (    7%)
             SOME FRESH(4%),SOME ALTERED(3%);

             BIOTITE
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED*
             GROUNDMASS SIZE .01-1MM*

Alteration - CHLORITE
             Replacing: PHENOS+GLASS

             CARBONATE
             Replacing: PHENOS




Leg : 38    Top/Bottom Interval(mm):  430/ 450  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   411.94   Sect/Pc #:  3/PCE 5

ROCK = PLAG-AUGITE-OL PHYRIC BASALT
       ALTERED,DOLERITE?,DIABASE?;
       Texture: PHYRIC,DIABASIC,SUBOPHITIC*

Phenocrysts- PLAGIOCLASE               (    7%)
             SOME FRESH(5%),SOME ALTERED(2%);

             AUGITE                    (    2%)
             SOME FRESH(1%),SOME ALTERED(1%);

             OLIVINE                   (    1%)
             ALTERED*

Groundmass - OLIVINE                   (    5%)

             PLAGIOCLASE               (   50%)

             PYROXENE                  (   40%)

             MAGNETITE                 (    2%)

Alteration - CHLORITE
             Location: VEINS+GNDMASS  Replacing: PHENOS




Leg : 38    Top/Bottom Interval(mm):  530/ 560  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   412.05   Sect/Pc #:  3/PCE 7

ROCK = PLAG PHYRIC BASALT
       ALTERED,CHLORITIZED,DOLERITE?,DIABASE?;
       Texture: DIABASIC,SUBOPHITIC*

Phenocrysts- PLAGIOCLASE               (   15%)

Groundmass - PLAGIOCLASE               (   50%)

             PYROXENE                  (30-35%)

             MAGNETITE                 (    2%)

Alteration - CHLORITE
             Location: VEINS          Replacing: PHENOS

Vesicles   -
             Filling: CHLORITE




Leg : 38    Top/Bottom Interval(mm):  990/1020  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   412.51   Sect/Pc #:  3/PCE 13

ROCK = PLAG MOD PHYRIC BASALT
       ALTERED,DOLERITE?,DIABASE?;
       Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC*

Phenocrysts- PLAGIOCLASE               (    2%)

Groundmass - OLIVINE                   (  1-2%)

             PLAGIOCLASE               (   45%)

             PYROXENE                  (   50%)

             MAGNETITE                 (  3-5%)

Alteration - SMECTITE
             Replacing: PHENOS

             CHLORITE
             Location: GNDMASS+VEINS

Vesicles   -
             Size(mm):     .3-3
             Percent:    10




Leg : 38    Top/Bottom Interval(mm): 1080/1110  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   412.60   Sect/Pc #:  3/PCE 14

ROCK = PLAG-AUGITE-OL PHYRIC BASALT
       CHLORITIZED,DOLERITE?,DIABASE?;
       Texture: PHYRIC,DOLERITIC,SUBOPHITIC,TRACHYTOID*

Phenocrysts- OLIVINE                   (  0-1%)
             ALTERED,ID UNCERTAIN FOR OL;

             AUGITE                    (  1-2%)

             PLAGIOCLASE               (   12%)
             SOME FRESH(10%),SOME ALTERED(2%);

             BIOTITE
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED*

Groundmass - OLIVINE                   (    1%)

             PLAGIOCLASE               (40-45%)

             PYROXENE                  (40-50%)

             MAGNETITE                 (  2-3%)

Alteration - CHLORITE
             Replacing: PHENOS

             GOETHITE
             Replacing: PHENOS

Vesicles   -
             Size(mm):     .5-1
             Percent:     1
             Filling: CHLORITE




Leg : 38    Top/Bottom Interval(mm): 1080/1111  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   412.60   Sect/Pc #:  3/

ROCK = BASALT*

Groundmass - OLIVINE                   (   TR%)

             PYROXENE                  (   45%)

             PLAGIOCLASE               (   45%)

             IRON ORE                  (    5%)

             ALTERED GLASS             (    5%)
             PLUS MESOSTASIS;

             OTHER                     (   TR%)
             ACCESSORIES,% BY MODAL ANALYSES*




Leg : 38    Top/Bottom Interval(mm):  400/ 430  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   413.42   Sect/Pc #:  4/PCE 5

ROCK = PLAG-BIOTITE-OL-AUGITE PHYRIC BASALT
       ALTERED,DOLERITE?,DIABASE?;
       Texture: PHYRIC,DIABASIC,SUBOPHITIC*

Phenocrysts- PLAGIOCLASE               (    8%)
             SOME FRESH(5%),SOME ALTERED(3%);

             BIOTITE                   (    3%)
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED;

             OLIVINE                   (  1-2%)
             ALTERED;

             AUGITE                    (    1%)

Groundmass - OLIVINE                   (    2%)

             PLAGIOCLASE               (40-45%)

             PYROXENE                  (45-50%)

             MAGNETITE                 (  2-3%)

Alteration - CHLORITE
             Location: GROUNDMASS     Replacing: PHENOS

             CARBONATE
             Replacing: PHENOS

Vesicles   -
             Filling: CHLORITE
             AMYGDULES*




Leg : 38    Top/Bottom Interval(mm):  540/ 570  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   413.56   Sect/Pc #:  4/PCE 7

ROCK = PLAG-BIOTITE-OL-AUGITE PHYRIC BASALT
       SAME AS 43-4-40-43 BUT MORE ABUNDANT CHLORITE
       AMYGDULES;




Leg : 38    Top/Bottom Interval(mm):  790/ 820  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   413.81   Sect/Pc #:  4/PCE 11

ROCK = PLAG-BIOTITE-OL-AUGITE PHYRIC BASALT
       SAME AS 43-4-40-43;




Leg : 38    Top/Bottom Interval(mm): 1000/1030  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   414.02   Sect/Pc #:  4/PCE 14

ROCK = PLAG-AUGITE-OL-BIOTITE PHYRIC BASALT
       ALTERED,DOLERITE?,DIABASE?;
       Texture: PHYRIC,DIABASIC,SUBOPHITIC*

Phenocrysts- PLAGIOCLASE               (    7%)
             SOME FRESH(6%),SOME ALTERED(1%);

             AUGITE                    (    2%)

             OLIVINE                   (    1%)
             ALTERED

             BIOTITE
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED*

Groundmass - PLAGIOCLASE               (40-45%)
             Size(mm):       .1-1

             PYROXENE                  (45-50%)

             MAGNETITE                 (  2-3%)

Alteration - CHLORITE                  (   10%)
             Replacing: PHENOS

             CHLOROPHAEITE
             Replacing: PHENOS

Vesicles   -
             Size(mm):     .3-5
             Percent:    10
             Filling: CHLORITE+CHLORO
             Shape: PH




Leg : 38    Top/Bottom Interval(mm): 1000/1031  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   414.02   Sect/Pc #:  4/

ROCK = BASALT*

Groundmass - OLIVINE                   (    1%)

             PYROXENE                  (   48%)

             PLAGIOCLASE               (   43%)

             IRON ORE                  (    7%)

             ALTERED GLASS             (    1%)
             PLUS MESOSTASIS;

             OTHER                     (   TR%)
             ACCESSORIES,% BY MODAL ANALYSES*




Leg : 38    Top/Bottom Interval(mm): 1300/1320  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: METAMORPHIC
Core:  43   Sample Midpoint(m)     :   414.31   Sect/Pc #:  4/

ROCK = BASALTIC MYLONITE
       HIGHLY CHLORITIZED,CALCITIZED,MYLONIZATION*




Leg : 38    Top/Bottom Interval(mm): 1380/1410  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: METAMORPHIC
Core:  43   Sample Midpoint(m)     :   414.40   Sect/Pc #:  4/PCE 22

ROCK = BASALTIC MYLONITE
       SAME AS 43-4-130-132;

Alteration - CHLORITE
             Location: VEINS

Vesicles   -
             Filling: CHLORITE




Leg : 38    Top/Bottom Interval(mm):    0/   0  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   408.50   Rock Type: IGNEOUS
Core:  43   Sample Midpoint(m)     :   414.60   Sect/Pc #: CC/

ROCK = OL-PLAG-AUGITE PHYRIC BASALT
       HIGHLY CHLORITIZED,CALCITIZED;
       Texture: PHYRIC,SUBOPHITIC*

Phenocrysts- OLIVINE                   (    5%)
             ALTERED;

             AUGITE                    (    1%)
             ALTERED;

             PLAGIOCLASE               (    3%)
             ALTERED*

Groundmass - PLAGIOCLASE               (50-60%)

             PYROXENE                  (35-40%)

             MAGNETITE                 (    5%)

Alteration - CHLORITE
             Replacing: PHENOS

             CARBONATE
             Replacing: PHENOS

             HEMATITE
             Replacing: PHENOS

Vesicles   -
             Size(mm):     .5-2
             Percent:     5
             Filling: CHLORITE+CARB




Leg : 38    Top/Bottom Interval(mm):  150/ 170  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   418.00   Rock Type: METAMORPHIC
Core:  44   Sample Midpoint(m)     :   418.16   Sect/Pc #:  1/

ROCK = BASALTIC MYLONITE
       HIGHLY CHLORITIZED;

Phenocrysts- BIOTITE
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED,GOETHITIZED;

             PLAGIOCLASE
             CHLORITIZED*

Alteration - CHLORITE
             Location: VEINS

Vesicles   -
             Filling: CHLORITE
             AMYGDULES*




Leg : 38    Top/Bottom Interval(mm): 1350/1380  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   418.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   419.37   Sect/Pc #:  1/PCE 26

ROCK = PLAG-AUGITE-OL PHYRIC DIABASE
       CHLORITIZED,DOLERITE?;
       Texture: PHYRIC,DIABASIC,SUBOPHITIC*

Phenocrysts- PLAGIOCLASE               (    7%)
             ALTERED;

             AUGITE                    (    2%)

             OLIVINE                   (    1%)
             ALTERED*

Groundmass - PLAGIOCLASE               (   50%)

             PYROXENE                  (35-40%)

             MAGNETITE                 (    5%)

Alteration - CHLORITE
             Location: GROUNDMASS     Replacing: PHENOS

             GOETHITE
             Replacing: PHENOS

Vesicles   -
             Filling: CHLORITE




Leg : 38    Top/Bottom Interval(mm):  650/ 680  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   418.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   420.17   Sect/Pc #:  2/PCE 10

ROCK = PLAG-AUGITE-OL MOD PHYRIC BASALT
       CHLORITIZED;
       Texture: MOD PHYRIC,DOLERITIC,SUBOPHITIC*

Phenocrysts- PLAGIOCLASE               (    2%)
             ALTERED;

             AUGITE                    (  1-2%)

             OLIVINE                   (  0-1%)
             ALTERED*

Groundmass - PLAGIOCLASE               (45-50%)

             PYROXENE                  (35-40%)

             MAGNETITE                 (    3%)

Alteration - CHLORITE                  (    1%)
             Replacing: PHENOS

             CHLORITE
             Location: VEINS

Vesicles   -
             Filling: CHLORITE




Leg : 38    Top/Bottom Interval(mm):  650/ 681  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   418.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   420.17   Sect/Pc #:  2/

ROCK = BASALT*

Groundmass - OLIVINE                   (   TR%)

             PYROXENE                  (   42%)

             PLAGIOCLASE               (   48%)

             IRON ORE                  (    6%)

             ALTERED GLASS             (    4%)
             PLUS MESOSTASIS;

             OTHER                     (   TR%)
             ACCESSORIES,% BY MODAL ANALYSES*




Leg : 38    Top/Bottom Interval(mm):  760/ 790  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   418.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   420.28   Sect/Pc #:  2/PCE 11

ROCK = BASALT
       HIGHLY CHLORITIZED,DOLERITE?,DIABASE?;




Leg : 38    Top/Bottom Interval(mm):  840/ 870  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   418.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   420.36   Sect/Pc #:  2/PCE 12

ROCK = AUGITE-PLAG-BIOTITE MOD PHYRIC BASALT
       CHLORITIZED,DOLERITE?,DIABASE?;
       Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC*

Phenocrysts- AUGITE                    (    3%)

             PLAGIOCLASE               (    2%)
             ALTERED;

             BIOTITE
             CHLORITIZED*

Groundmass - PLAGIOCLASE               (40-50%)
             Size(mm):       .1-1

             PYROXENE                  (40-50%)

             MAGNETITE                 (    3%)

Alteration - CHLORITE
             Location: VEINS          Replacing: PHENOS

Vesicles   -
             Filling: CHLORITE




Leg : 38    Top/Bottom Interval(mm):  400/ 430  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   418.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   421.42   Sect/Pc #:  3/PCE 7

ROCK = PLAG-CPX MOD PHYRIC BASALT
       CHLORITIZED,DOLERITE?,DIABASE?,
       Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC*

Phenocrysts- CLINOPYROXENE             (    3%)

             PLAGIOCLASE               (    4%)
             ALTERED*

Groundmass - PLAGIOCLASE               (50-55%)
             Size(mm):       .1-1

             PYROXENE                  (   30%)

             MAGNETITE                 (    3%)

Alteration - CHLORITE
             Location: VEINS          Replacing: PHENOS

             CARBONATE
             Replacing: PHENOS

             CHLORITE                  (   20%)
             Location: GROUNDMASS

Vesicles   -
             Filling: CHLORITE




Leg : 38    Top/Bottom Interval(mm):  480/ 510  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   418.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   421.50   Sect/Pc #:  3/PCE 8

ROCK = PLAG-AUGITE-OL MOD PHYRIC BASALT
       CHLORITIZED,DOLERITE?,DIABASE?;
       Texture: MOD PHYRIC*

Phenocrysts- PLAGIOCLASE               (    3%)

             AUGITE                    (    2%)

             OLIVINE                   (    1%)
             ALTERED*

Groundmass - PLAGIOCLASE               (40-45%)

             PYROXENE                  (40-45%)

             MAGNETITE                 (    5%)

Alteration - CHLORITE
             Location: GROUNDMASS     Replacing: PHENOS

             CARBONATE
             Replacing: PHENOS

             GOETHITE
             Replacing: PHENOS

Vesicles   -
             Size(mm):     .3-1
             Percent:     3
             Filling: CHLORITE




Leg : 38    Top/Bottom Interval(mm):  480/ 511  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   418.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   421.50   Sect/Pc #:  3/

ROCK = BASALT*

Groundmass - OLIVINE                   (   20%)

             PYROXENE                  (   30%)

             PLAGIOCLASE               (   30%)

             IRON ORE                  (   10%)

             ALTERED GLASS
             PLUS MESOSTASIS;

             OTHER                     (   TR%)
             ACCESSORIES,% BY MODAL ANALYSES*




Leg : 38    Top/Bottom Interval(mm):  530/ 560  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   418.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   421.55   Sect/Pc #:  3/

ROCK = PLAG-AUGITE PHYRIC BASALT
       CHLORITIZED,DOLERITE?;
       Texture: DIABASIC,SUBOPHITIC,TRACHYTOID*

Phenocrysts- PLAGIOCLASE               (   12%)
             SOME FRESH(10%),SOME ALTERED(2%),GLOMEROPHYRIC;

             AUGITE                    (    3%)

Groundmass - PLAGIOCLASE               (   50%)
             Size(mm):       .1-1

             PYROXENE                  (30-35%)

             MAGNETITE                 (    3%)

Alteration - CHLORITE
             Replacing: PHENOS




Leg : 38    Top/Bottom Interval(mm):  830/ 860  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   418.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   421.85   Sect/Pc #:  3/PCE 16

ROCK = PLAG-CPX-OL MOD PHYRIC DIABASE
       CHLORITIZED,DOLERITE;
       Texture: MOD PHYRIC*

Phenocrysts- PLAGIOCLASE               (    5%)
             ALTERED;

             CLINOPYROXENE             (    1%)

             OLIVINE                   (    1%)
             ALTERED*

Groundmass - OLIVINE                   (    1%)

             PLAGIOCLASE               (   50%)

             PYROXENE                  (45-50%)

             MAGNETITE                 (    5%)

Alteration - CHLORITE
             Location: VEINS          Replacing: PHENOS

             GOETHITE
             Replacing: PHENOS

Vesicles   -
             Size(mm):     .2-1
             Percent:     2
             Filling: CHLORITE+CARB




Leg : 38    Top/Bottom Interval(mm):  910/ 930  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   418.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   421.92   Sect/Pc #:  3/PCE 17

ROCK = PLAG-AUGITE-BIOTITE-OL PHYRIC DIABASE
       CHLORITIZED,DOLERITE?;
       Texture: PHYRIC*

Phenocrysts- OLIVINE                   (    1%)
             ALTERED;

             AUGITE                    (    5%)
             SOME FRESH(2%),SOME ALTERED(3%);

             PLAGIOCLASE               (    7%)

             BIOTITE                   (  2-3%)
             CHLORITIZED*

Groundmass - PLAGIOCLASE               (   50%)

             PYROXENE                  (30-40%)

             MAGNETITE                 (    3%)

Vesicles   -
             Percent:     3
             Filling: CHLORITE+CARB




Leg : 38    Top/Bottom Interval(mm): 1430/1460  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   418.00   Rock Type: IGNEOUS
Core:  44   Sample Midpoint(m)     :   422.45   Sect/Pc #:  3/PCE 26

ROCK = PLAG-BIOTITE-AUGITE-OL PHYRIC DOLERITE
       CHLORITIZED,BASALT?;
       Texture: DIABASIC,PHYRIC,SUBOPHITIC,TRACHYTOID*

Phenocrysts- PLAGIOCLASE               (   11%)
             SOME FRESH(1%),SOME ALTERED(10%);

             OLIVINE                   (    1%)
             ALTERED;

             AUGITE                    (    2%)
             FRESH;

             BIOTITE                   (    5%)
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED*

Groundmass - OLIVINE                   (    1%)

             PLAGIOCLASE               (50-55%)

             PYROXENE                  (   40%)

             MAGNETITE                 (  2-3%)

Alteration - CHLORITE
             Location: GROUNDMASS     Replacing: PHENOS

Vesicles   -
             Size(mm):     .2-1
             Percent:     1
             Filling: CHLORITE+CARB




Leg : 38    Top/Bottom Interval(mm):  850/ 910  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   427.50   Rock Type: IGNEOUS
Core:  45   Sample Midpoint(m)     :   428.38   Sect/Pc #:  1/PCE 8

ROCK = PLAG-AUGITE-OL-BIOTITE PHYRIC DOLERITE
       ALTERED,CHLORITIZED,DIABASE?;
       Texture: PHYRIC*

Phenocrysts- OLIVINE                   (    1%)
             ALTERED;

             AUGITE                    (    4%)
             SOME FRESH(2%),SOME ALTERED(2%);

             PLAGIOCLASE               (   10%)
             SOME FRESH(5%),SOME ALTERED(5%);

             BIOTITE
             CHLORITIZED*

Groundmass - OLIVINE                   (    1%)

             PLAGIOCLASE               (   50%)

             PYROXENE                  (35-40%)

             ILMENITE                  (    3%)

Alteration - CHLORITE
             Location: VEINS          Replacing: PHENOS+GLASS

             GOETHITE
             Replacing: PHENOS

             LEUCOXENE
             Location: VEINS          Replacing: PHENOS
             ID UNCERTAIN FOR LEUCOXENE*

Vesicles   -
             Size(mm):     .2-1
             Percent:     1




Leg : 38    Top/Bottom Interval(mm):  920/ 950  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   427.50   Rock Type: IGNEOUS
Core:  45   Sample Midpoint(m)     :   428.44   Sect/Pc #:  1/PCE 8

ROCK = PLAG-AUGITE-OL PHYRIC BASALT
       ALTERED,CHLORITIZED,DOLERITE?,DIABASE?;
       Texture: DIABASIC,SUBOPHITIC*

Phenocrysts- OLIVINE                   (    2%)
             ALTERED;

             AUGITE                    (    4%)
             SOME FRESH(2%),SOME ALTERED(2%);

             PLAGIOCLASE               (    4%)
             SOME FRESH(1%),SOME ALTERED(3%)*

Groundmass - OLIVINE                   (    1%)

             PLAGIOCLASE               (   40%)

             PYROXENE                  (40-45%)

             MAGNETITE                 (    3%)

Alteration - SMECTITE
             Location: GROUNDMASS     Replacing: PHENOS

             CHLORITE
             Location: GNDMASS+VEINS  Replacing: PHENOS

Vesicles   -
             Filling: CHLORITE




Leg : 38    Top/Bottom Interval(mm):  920/ 951  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   427.50   Rock Type: IGNEOUS
Core:  45   Sample Midpoint(m)     :   428.44   Sect/Pc #:  1/

ROCK = BASALT*

Groundmass - OLIVINE                   (    3%)

             PYROXENE                  (   45%)

             PLAGIOCLASE               (   43%)

             IRON ORE                  (    6%)

             ALTERED GLASS             (    3%)
             PLUS MESOSTASIS;

             OTHER                     (   TR%)
             ACCESSORIES,% BY MODAL ANALYSES*




Leg : 38    Top/Bottom Interval(mm): 1270/1300  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   427.50   Rock Type: IGNEOUS
Core:  45   Sample Midpoint(m)     :   428.79   Sect/Pc #:  1/PCE 16

ROCK = PLAG-CPX-BIOTITE PHYRIC BASALT
       ALTERED,CHLORITIZED,DOLERITE?,DIABASE?;
       Texture: PHYRIC,SUBOPHITIC*

Phenocrysts- CLINOPYROXENE             (    2%)
             ALTERED;

             PLAGIOCLASE               (    8%)
             ALTERED;

             BIOTITE
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED*

Groundmass - PLAGIOCLASE               (45-55%)

             PYROXENE                  (35-40%)

             MAGNETITE                 (  2-3%)

Alteration - CHLORITE                  (    8%)
             Replacing: PHENOS

             CHLOROPHAEITE             (    2%)

             CHLORITE
             Location: GROUNDMASS

             CHLOROPHAEITE
             Location: GROUNDMASS

Vesicles   -
             Percent:   0-1
             Filling: CHLORITE+CHLORO
             Shape: PH
             AMYGDULES*




Leg : 38    Top/Bottom Interval(mm): 1310/1330  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   427.50   Rock Type: IGNEOUS
Core:  45   Sample Midpoint(m)     :   428.82   Sect/Pc #:  1/

ROCK = PLAG-CPX-OL-BIOTITE PHYRIC DOLERITE
       CHLORITIZED;
       Texture: DIABASIC,SUBOPHITIC,PHYRIC*

Phenocrysts- OLIVINE                   (    1%)
             ALTERED;

             CLINOPYROXENE             (    5%)
             SOME FRESH(3%),SOME ALTERED(2%);

             PLAGIOCLASE               (    9%)
             SOME FRESH(3%),SOME ALTERED(6%);

             BIOTITE
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED*

Groundmass - OLIVINE                   (    2%)

             PLAGIOCLASE               (   50%)

             PYROXENE                  (30-35%)

             MAGNETITE                 (    3%)

Alteration - CHLORITE
             Replacing: PHENOS

             GOETHITE
             Replacing: PHENOS

Vesicles   -
             Size(mm):    .2-.5
             Percent:   1-2
             Filling: CHLORITE




Leg : 38    Top/Bottom Interval(mm):  470/ 500  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   427.50   Rock Type: IGNEOUS
Core:  45   Sample Midpoint(m)     :   429.49   Sect/Pc #:  2/PCE 7

ROCK = PLAG-PYX-OL-BIOTITE PHYRIC DOLERITE
       CHLORITIZED,BASALT?;
       Texture: PHYRIC*

Phenocrysts- OLIVINE                   (    1%)
             ALTERED;

             PYROXENE                  (    3%)
             ALTERED;

             PLAGIOCLASE               (    8%)
             SOME FRESH(6%),SOME ALTERED(2%);

             BIOTITE
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED*

Groundmass - OLIVINE                   (    1%)

             PLAGIOCLASE               (30-35%)

             MAGNETITE                 (    3%)

Alteration - CHLORITE
             Location: VEINS          Replacing: PHENOS




Leg : 38    Top/Bottom Interval(mm):  560/ 590  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   427.50   Rock Type: IGNEOUS
Core:  45   Sample Midpoint(m)     :   429.58   Sect/Pc #:  2/PCE 8

ROCK = PYX-PLAG-BIOTITE-OL PHYRIC BASALT
       CHLORITIZED,DOLERITE?;
       Texture: PHYRIC*

Phenocrysts- OLIVINE                   (    1%)
             ALTERED;

             AUGITE                    (    3%)
             SOME FRESH(2%),SOME ALTERED(1%);

             PLAGIOCLASE               (    2%)

             BIOTITE                   (    2%)
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED*

Groundmass - PLAGIOCLASE               (50-55%)

             PYROXENE                  (30-40%)

             MAGNETITE                 (    3%)

Alteration - CHLORITE
             Replacing: PHENOS

             GOETHITE
             Replacing: PHENOS

             IDDINGSITE
             Replacing: PHENOS




Leg : 38    Top/Bottom Interval(mm): 1280/1310  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   427.50   Rock Type: IGNEOUS
Core:  45   Sample Midpoint(m)     :   430.30   Sect/Pc #:  2/PCE 20

ROCK = PLAG-AUGITE-OL-BIOTITE MOD PHYRIC DOLERITE
       CHLORITIZED,BASALT?;
       Texture: MOD PHYRIC,DIABASIC,SUBOPHITIC*

Phenocrysts- OLIVINE                   (    1%)
             ALTERED;

             AUGITE                    (    2%)
             ALTERED;

             PLAGIOCLASE               (    4%)
             SOME FRESH(2%),SOME ALTERED(2%);

             BIOTITE
             ID UNCERTAIN FOR BIOTITE,CHLORITIZED*

Groundmass - OLIVINE                   (    2%)

             PLAGIOCLASE               (50-55%)

             PYROXENE                  (40-45%)

             MAGNETITE                 (  3-5%)

Alteration - CHLORITE
             Replacing: PHENOS




Leg : 38    Top/Bottom Interval(mm): 1280/1311  Describer: Kharin, G.
Hole: 338   Top of Core Depth(m)   :   427.50   Rock Type: IGNEOUS
Core:  45   Sample Midpoint(m)     :   430.30   Sect/Pc #:  2/

ROCK = BASALT*

Groundmass - OLIVINE                   (    1%)

             PYROXENE                  (   43%)

             PLAGIOCLASE               (   50%)

             IRON ORE                  (    5%)

             ALTERED GLASS             (    1%)
             PLUS MESOSTASIS;

             OTHER                     (   TR%)
             ACCESSORIES,% BY MODAL ANALYSES*




    

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