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Core Data from the Deep Sea Drilling Project


Leg : 15    Depth Top/Bottom of Layer(m) :    52.24/   53.60
Hole: 154   Depth to Top of Core(m)      :    52.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1360
Sect:  1
 
Visual Text Description:
 FORAM NANNO MARL;C 5B7/1-LIGHT BLUISH GRAY,5B5/1-MEDIUM BLUISH GRAY,
-BLACK,-GREEN;U POCKETS OF ASH,SOME BLACK (HYDROTROILITE) STREAKS;D 
DISTURBED THROUGHOUT;M SMALL CUBIC PYRITE CRYSTALS,GLAUCONITE;P BENTHIC 
FORAMS;O GAS POCKET IS THE REASON FOR VOID 136-150 CM;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :    53.74/   55.24
Hole: 154   Depth to Top of Core(m)      :    52.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 FORAM NANNO MARL;C 5B7/1-LIGHT BLUISH GRAY,5B5/1-MEDIUM BLUISH GRAY,
5GY4/1-DARK GREENISH GRAY;S DARK GREENISH GRAY PATCHES THROUGHOUT,ASH 
POCKETS;D DISTURBED THROUGHOUT;M PYRITE,GLAUCONITE;O ASH AND PYRITEAND 
GLAUCONITE CONCENTRATED IN ASH POCKETS AND GREEN PATCHES;Z 
33239000.3450.1110 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :    55.24/   56.74
Hole: 154   Depth to Top of Core(m)      :    52.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 FORAM NANNO MARL;C 5B7/1-LIGHT BLUISH GRAY,5B5/1-MEDIUM BLUISH GRAY,
5GY4/1-DARK GREENISH GRAY;S ASH LAYERS (DISTURBED) 4 AND 14-16 AND 25-40 
(MIXED) AND 62 AND 66 CM,ABUNDANT DARK GREENISH GRAY ZONES;D DISTURBED 
THROUGHOUT;M PYRITE IS COMMON,GLAUCONITE;O COLORS ARE MIXED,GREENISH ZONES 
DISPLAY DECREASED CARBONATE;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :    56.74/   58.24
Hole: 154   Depth to Top of Core(m)      :    52.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 FORAM NANNO MARL;C 5B7/1-LIGHT BLUISH GRAY,5B5/1-MEDIUM BLUISH GRAY;S ASH 
LAYERS,SLIGHTLY INDURATED PEBBLES OF ASH,GREENISH ZONE;D DISTURBED 
THROUGHOUT;MPYRITE,GLAUCONITE;O VOID 88-100 CM,COLORS MIXED,ASHMIXED 
THROUGHOUT;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :    58.24/   59.74
Hole: 154   Depth to Top of Core(m)      :    52.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  5
 
Visual Text Description:
 FORAM MARL;C 5B7/1-LIGHT BLUISH GRAY,5B5/1-MEDIUMBLUISH GRAY;S PROMINANT 
AND DEFORMED ASH LAYER 0-20CM;D DISTURBED THROUGHOUT;O FEWER NANNOS,VOID 
44-50AND 80-88 AND 118-125 CM,130-150 CM MAY BE IN PLACE,SLIGHTLY MORE 
COMPACT WITH ROUGH SURFACE 140-150 CM;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :    59.74/   61.24
Hole: 154   Depth to Top of Core(m)      :    52.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  6
 
Visual Text Description:
 FORAM MARL;C 5B5/1-MEDIUM BLUISH GRAY;S GLASS LAYER 16 CM,ZONE HIGH IN 
VOLCANICS 0-16 CM (WITH ZEOLITES?);M PYRITE IS COMMON THROUGHOUT AND 
ABUNDANT IN DARKER LAYERS;O TOP 16 CM HAS A ROUGH SURFACE,COLORS ARE MIXED;
Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   108.56/  110.06
Hole: 154   Depth to Top of Core(m)      :   108.00
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  1
 
Visual Text Description:
 FORAM NANNO MARL;C 5B7/1-LIGHT BLUISH GRAY;D DISTURBED THROUGHOUT;M 
PYRITE,GLAUCONITE;P DISCOASTERS;OVOID 45-52 AND 75-78 CM (DUE TO GAS),NO 
ASH BEDS,SEGMENTS HAVE BEEN MOVE AND ARE NOT ALWAYS IN ORIGINALPLACE;Z 
00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   110.15/  111.56
Hole: 154   Depth to Top of Core(m)      :   108.00
Core:   2   Depth Top/Bottom Interval(mm):   90/1500
Sect:  2
 
Visual Text Description:
 FORAM NANNO MARL;C 5B7/1-LIGHT BLUISH GRAY,5B5/1-MEDIUM BLUISH GRAY;D 
DISTURBED THROUGHOUT;M PYRITE AND GLAUCONITE ARE COMMON;O NO ASH BEDS,VOID 
54-67 CM(GAS);Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   111.73/  113.06
Hole: 154   Depth to Top of Core(m)      :   108.00
Core:   2   Depth Top/Bottom Interval(mm):  170/1500
Sect:  3
 
Visual Text Description:
 FORAM NANNO MARL;C 5B7/1-LIGHT BLUISH GRAY,5B5/1-MEDIUM BLUISH GRAY;S 
PYRITE IS COMMON AND VERY ABUNDANT IN DARKER STREAKS AND ZONES;D DISTURBED 
THROUGHOUT;M PYRITE;P ABUNDANT DISCOASTERS;O GAS VOID 89-113CM,FIRST 
APPEARENCE OF ABUNDANT CALCI-SPHERES;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   113.06/  114.56
Hole: 154   Depth to Top of Core(m)      :   108.00
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 FORAM NANNO MARL;C 5B7/1-LIGHT BLUISH GRAY;S A SLIGHTLY INDURATED CRUMBLY 
ZONE SHOWING NO DIFFERENCE IN SMEAR SLIDE 101-107 CM;D DISTURBED 
THROUGHOUT;M ABUNDANT PYRITE THROUGHOUT,GLAUCONITE;O GAS VOID 64-88 CM,NO 
ASH LAYERS;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   114.86/  115.81
Hole: 154   Depth to Top of Core(m)      :   108.00
Core:   2   Depth Top/Bottom Interval(mm):  300/1250
Sect:  5
 
Visual Text Description:
 FORAM NANNO MARL;C 5B7/1-LIGHT BLUISH GRAY,5B5/1-MEDIUM BLUISH GRAY;D 
DISTURBED THROUGHOUT;M ABUNDANTPYRITE,GLAUCONITE;O COLORS SLIGHTLY MIXED,
NO ASH LAYERS;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   116.09/  117.39
Hole: 154   Depth to Top of Core(m)      :   108.00
Core:   2   Depth Top/Bottom Interval(mm):   30/1330
Sect:  6
 
Visual Text Description:
 NANNO FORAM CHALK;C 5B7/1-LIGHT BLUISH GRAY;S A FEW FAINT MOTTLING 
THROUGHOUT,CONSPICUOUS BURROWS FILLED ESSENTIALLY WITH FORAMS AND VOLCANIC 
DETRITUS 46CM;M PYRITE,GLAUCONITE;O VOID 80-83 CM,CRACKS AND VOID SPACES 
ARE DUE TO IMPORTANT GAS EFFECTS,QUITE HOMOGENEOUS;H MODERATELY SOFT,
PLASTIC;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   117.65/  119.04
Hole: 154   Depth to Top of Core(m)      :   108.00
Core:   2   Depth Top/Bottom Interval(mm):   90/1480
Sect:  7
 
Visual Text Description:
 NANNO MARL;C 5B6/1-MEDIUM BLUISH GRAY;S BURROW MOTTLING OCCURS THROUGHOUT 
BUT QUITE BLURRED;O DISTURBED BY GAS EFFECTS,CARBONATE CONTENT SLIGHTLY 
INCREASES IN BOTTOM PART WHERE ALSO THE FORAM PERCENTAGE APPEARS TO BE 
HIGHER THAN IN UPPER PART OF SECTION;H MODERATELY SOFT,PLASTIC;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   164.92/  165.50
Hole: 154   Depth to Top of Core(m)      :   164.00
Core:   3   Depth Top/Bottom Interval(mm):  920/1500
Sect:  1
 
Visual Text Description:
 FORAM NANNO MARL;C 5B6/1-MEDIUM BLUISH GRAY,5G6/1-GREENISH GRAY;D VERY 
SOUPY AND DISTURBED 92-112 CM;O SIMILAR TO PREVIOUS CORES,HOMOGENEOUS 
112-150 CM;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   165.50/  167.00
Hole: 154   Depth to Top of Core(m)      :   164.00
Core:   3   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 FORAM NANNO MARL;C 5B6/1-MEDIUM BLUISH GRAY;D DISTURBED;O BASICALLY 
COMPOSED OF NANNOS AND MICRITE AND A FEW PLANKTONIC FORAM SIMILAR TO THE 
PRECEEDING CORES;H SOFT;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   167.00/  167.18
Hole: 154   Depth to Top of Core(m)      :   164.00
Core:   3   Depth Top/Bottom Interval(mm):   00/ 180
Sect:  3
 
Visual Text Description:
 NANNO MARL;C 5B6/1-MEDIUM BLUISH GRAY;S BASAL CONTACT VERY SHARP AND 
DISTURBED;H MODERATELY SOFT,PLASTIC;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   167.18/  168.50
Hole: 154   Depth to Top of Core(m)      :   164.00
Core:   3   Depth Top/Bottom Interval(mm):  180/1500
Sect:  3
 
Visual Text Description:
 VOLCANIC CLAY AND SAND;C 5Y2/1-OLIVE BLACK;S SOMECEMENTED ZONES 
ESPECIALLY TOWARDS BOTTOM,CEMENTED ZONE BETWEEN 130 AND 140 CM SHOWS 
GRADED BEDDING AND COARSE VOLCANIC SAND SHARPLY OVERLYING SILTY VOLCANIC 
SAND;M THE PREDOMINANTLY CLAYEY ZONES CONTAIN ABUNDANT PLAGIOCLASE AND 
PYROXENE AND VARIABLE AMOUNTS OF ZEOLITE AND A FEW CALCAREOUS BIO-REMAINS,
WHEREAS THE SANDY ZONES ARE NEARLY PURE VOLCANICS;H SOFT TO CRUMBLY;Z 
33239000.3625.3311 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   173.47/  174.50
Hole: 154   Depth to Top of Core(m)      :   173.00
Core:   4   Depth Top/Bottom Interval(mm):  470/1500
Sect:  1
 
Visual Text Description:
 VOLCANIC SAND;C 5Y2/1-OLIVE BLACK,5GY6/1-GREENISHGRAY;S GREENISH GRAY 
PIECE OF LIMESTONE WITH HIGHERCARBONATE CONTENT 131-138 CM;D VERY 
DISTURBED THROUGHOUT;O CARBONATE CONTENT PRACTICALLY NIL,VOLCANIC SAND 
SIMILAR TO MATERIAL IN CORE 3-3;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   174.50/  176.00
Hole: 154   Depth to Top of Core(m)      :   173.00
Core:   4   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 VOLCANIC SAND AND CLAY;C -GREENISH GRAY;S SEVERALSOFT LUMPS OF NANNO 
MARLS SCATTERED THROUGHOUT,A LIMESTONE PEBBLE (CALCARENITE) 39-42 CM;O 
BASICALLY THE SAME AS IN THE OVERLYING SECTION;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   176.00/  177.50
Hole: 154   Depth to Top of Core(m)      :   173.00
Core:   4   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 VOLCANIC SAND;C 5Y2/1-OLIVE BLACK;D DEFORMED THROUGHOUT;P CARBONATE 
CONTENT VERY LOW THROUGHOUT DUE TO A FEW NANNOS AND PELECYPOD SHELL 
FRAGMENTS;O PARTLY CLAYEY IN UPPER PART-TOTALLY CRUMBLY IN LOWER PART,SOME 
SUBROUNDED QUARTZ GRAINS ARE ALSO PRESENT IN ADDITION TO THE VOLCANIC 
COMPONENTS,GRAIN SIZE VARIESFROM FINE TO MEDIUM COARSE WHICH IS 
PREDOMINANT;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   182.23/  182.93
Hole: 154   Depth to Top of Core(m)      :   182.00
Core:   5   Depth Top/Bottom Interval(mm):   00/ 700
Sect:  1
 
Visual Text Description:
 VOLCANIC AND CALCAREOUS ZONES;C 5GY5/1-GREENISH GRAY,5Y2/1-OLIVE BLACK;S 
WOOD FRAGMENT IN SILT 38-41 CM;O ALTERNATING VOLCANIC AND CALCAREOUS ZONES 
OCCUR,THE VOLCANIC ZONES ARE A MIXTURE OF CLAY AND SILT AND FINE GRAINED 
SAND WITH ZEOLITE,THE CALCAREOUS ZONES CONTAIN MAINLY NANNOS AND MICRITE 
WITH CLAY AND VOLCANIC ELEMENTS,DESPITE A CONSPICUOUS COLOR AND TEXTURE 
CHANGE BETWEEN THE TWO LITHOLOGIES SECONDARY DISTURBANCES BLURR THE 
CONTACT AND THE WHOLE SEDIMENT IS QUITE CRUMBLY,A CEMENTED SAND WITH 
EXTENSIVE BURROWING SHOWS SOME ALTERED WOOD FRAGMENTS;H FIRM;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   183.73/  184.39
Hole: 154   Depth to Top of Core(m)      :   182.00
Core:   5   Depth Top/Bottom Interval(mm):   00/ 660
Sect:  2
 
Visual Text Description:
 CALCAREOUS CLAY;C 5GY3/1-DARK GREENISH GRAY;O VOID DUE TO GAS DISTURBANCE 
6-54 CM;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   184.39/  184.70
Hole: 154   Depth to Top of Core(m)      :   182.00
Core:   5   Depth Top/Bottom Interval(mm):  660/ 970
Sect:  2
 
Visual Text Description:
 VOLCANIC SAND;C 5Y2/1-OLIVE BLACK;S INDURATED CALCAREOUS CLAY 94-97 CM,
BURROWS;U PYRITE CONCRETIONS;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   185.23/  186.73
Hole: 154   Depth to Top of Core(m)      :   182.00
Core:   5   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 VOLCANIC CLAY;C 5Y3/1-DARK OLIVE GRAY,5Y7/2-OLIVEBLACK;O CALCAREOUS SAND 
CHIEFLY MADE UP OF MEDIUM COARSE GRAINED SUBROUNDED CALCAREOUS DEBRIS - 
SOME BENTHIC PLANKTONIC FORAMS AND OTHER UNIDENTIFIED CALCAREOUS 
BIOREMAINS 43-50 CM;O SEDIMENT CONSISTS OF FINE VOLCANIC CLAY VERY 
VARIABLE IN COMPACTNESS AND TEXTURE DUE TO EXTENSIVE CORING DISTURBANCES,
WELL PRESERVED PARTS ARE QUITE COMPACTED AND PARTLY CEMENTED,THE CARBONATE 
CONTENT IS MODERATELY LOW (ABOUT 10%) EXCEPT IN A VERY STRIKING CALCAREOUS 
ZONE 43-50 CM,CONTACTS WITH CALCAREOUS ZONE ARE QUITE SHARP BUT 
SECONDARILY DISTURBED AND PARTLY BLURRED;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   187.08/  187.23
Hole: 154   Depth to Top of Core(m)      :   182.00
Core:   5   Depth Top/Bottom Interval(mm):  350/ 500
Sect:  4
 
Visual Text Description:
 FORAM NANNO MARL;C 5GY3/1-DARK GREENISH GRAY;O VERY COMPACTED,BUT CRUMBLY,
MAIN CONSISTENTS IN ADDITION TO BIOREMAINS ARE MICRITE AND VOLCANIC 
FRAGMENTS;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   187.73/  188.23
Hole: 154   Depth to Top of Core(m)      :   182.00
Core:   5   Depth Top/Bottom Interval(mm): 1000/1500
Sect:  4
 
Visual Text Description:
 VOLCANIC CLAY AND SAND AND MARL;O MIXTURE OF VOLCANIC CLAY AND SAND AND 
MARL SMEARED ALONG PLASTIC LINER,TOTAL AMOUNT WILL NOT BE GREATER THAN 5 
CM;Z 33239000.3450.3320 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   188.36/  189.73
Hole: 154   Depth to Top of Core(m)      :   182.00
Core:   5   Depth Top/Bottom Interval(mm):  130/1500
Sect:  5
 
Visual Text Description:
 VOLCANIC CLAY AND SAND AND MARL;C 5GY3/1-DARK GREENISH GRAY;O SEDIMENT 
CONSISTS OF A MIXTURE OF VOLCANIC CLAY AND SAND AND MARL SMEARED ALONG THE 
CORE LINER WITH A FEW SCATTERED FRAGMENTS THROUGHOUT,A DARKGREENISH GRAY 
INDURATED MARL IS THE ONLY WELL PRESERVED PART BETWEEN 143 AND 150 CM,VOID 
SPACES ARE DUETO GAS DISTURBANCES;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   190.07/  190.47
Hole: 154   Depth to Top of Core(m)      :   182.00
Core:   5   Depth Top/Bottom Interval(mm):  340/ 740
Sect:  6
 
Visual Text Description:
 VOLCANIC CLAY;C 5Y2/1-OLIVE BLACK;H VERY COMPACTED,PARTLY CEMENTED BUT 
VERY BROKEN BECOMING QUITE SOFT AND CRUMBLY;D  HIGHLY DISTURBED ZONES 
ESPECIALLY THE TOP 5 CM;P BIOGENIC REMAINS VERY SCARCE;M CARBONATE CONTENT 
ALMOST NIL;Z 33219000.3625.3320 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   190.47/  190.56
Hole: 154   Depth to Top of Core(m)      :   182.00
Core:   5   Depth Top/Bottom Interval(mm):  740/ 830
Sect:  6
 
Visual Text Description:
 COARSE VOLCANIC SAND (ANDESITIC);H SLIGHTLY COMPACTED AND VERY CRUMBLY 
(BECOMING LOOSE UNDER SLIGHT PRESSURE);S BASAL CONTACT VERY SHARP,UPPER 
CONTACT ISMISSING OR VERY DIST;M CARBONATE SLIGHTLY HIGHER THAA IN 
OVERLYING VOLCANIC CLAY;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   190.64/  190.89
Hole: 154   Depth to Top of Core(m)      :   182.00
Core:   5   Depth Top/Bottom Interval(mm):  910/1160
Sect:  6
 
Visual Text Description:
 VOLCANIC CLAY;O VERY SIMILAR TO THE ZONE BETWEEN 34 AND 74 CM;P CONTAINS 
MORE CARBONATE WITH A FEW NANNOS AND FORAMS THAN AREA BETWEEN 4 AND 74;Z 
00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   192.00/  193.50
Hole: 154   Depth to Top of Core(m)      :   192.00
Core:   6   Depth Top/Bottom Interval(mm):   00/1500
Sect:  1
 
Visual Text Description:
 VOLCANIC SAND AND CLAY;C 5Y3/1-VERY DARK OLIVE GRAY,5Y2/1-OLIVE GRAY;D 
DISTURBED 32-60 CM;O SEDIMENT CONSISTS ESSENTIALLY OF ALTERNATING LAYERS 
OF COARSETO MEDIUM COARSE GRAINED VOLCANIC SAND AND CLAYS,DISTURBANCES 
OCCUR THROUGHOUT BLURRING THE PRIMARY STRUCTURES AND LAYERING,THE CLAY 
LAYERS AND THE SANDY LAYERS AS WELL ARE DEVOID OF CARBONATE CONTENT 
EXCEPTFOR THE BOTTOM COARSE SAND IN WHICH FEW FORAM FRAGMENTS APPEAR AS A 
MINOR CONSTITUENT,VOID SPACES DUE TO GAS DISTURBANCES;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   202.00/  203.50
Hole: 154   Depth to Top of Core(m)      :   202.00
Core:   7   Depth Top/Bottom Interval(mm):   00/1500
Sect:  1
 
Visual Text Description:
 VOLCANIC CLAY AND SAND;O MINOR AMOUNT OF DARK VOLCANIC CLAY AND SAND 
STORED IN FREEZER BOX;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   211.70/  212.60
Hole: 154   Depth to Top of Core(m)      :   211.00
Core:   8   Depth Top/Bottom Interval(mm):  600/1500
Sect:  1
 
Visual Text Description:
 SANDY VOLCANIC CLAY;C 5Y2/1-OLIVE BLACK;D VERY DISTURBED THROUGHOUT;U A 
FEW LUMPS,VERY RICH IN MICRITE AND CALCITE GRAINS;P FEW NANNOS AND FORAM 
FRAGMENTS OCCUR DISPERSED IN THE CLAY;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   212.95/  214.10
Hole: 154   Depth to Top of Core(m)      :   211.00
Core:   8   Depth Top/Bottom Interval(mm):  350/1500
Sect:  2
 
Visual Text Description:
 VOLCANIC CLAY;C 5Y4/1-OLIVE GRAY,5Y2/1-OLIVE BLACK,5GY4/1-DARK GREENISH 
GRAY,5G6/1-GREENISH GRAY;U NUMEROUS GREENISH GRAY CALCAREOUS INCLUSIONS,
DARK GREENISH GRAY CLAY CLASTS OF PLIOCENE AGE (PROBABLY DOWNHOLE 
CONTAMINATION) 100-104 CM,GREENISH GRAY SILTSTONE 60-65 CM (SIMILAR TO 
OTHER SILTSTONES IN CORE);DDEFORMED THROUGHOUT;O GAS VOIDS HAVE BEEN 
PUSHED TOGETHER,CALCAREOUS INCLUSIONS ARE FORAM RICH,NO NANNOS;Z 
33239000.1110.3450 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   214.10/  215.60
Hole: 154   Depth to Top of Core(m)      :   211.00
Core:   8   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 VOLCANIC RICH CLAY;C 5Y2/1-OLIVE BLACK,5GY5/1-GREENISH GRAY;S SEVERAL 
GREENISH GRAY LENSES RICH IN NANNOS AND FORAMS OCCUR DISPERSED OCCUR 
DISPERSED THROUGHOUT UP TO 120 CM IN VERY SHARP CONTRAST TO THE VERY DARK 
CLAY,CALCAREOUS LUMPS;D DISTURBED THROUGHOUT;P NANNOS,FORAMS;O SEDIMENT IS 
BASICALLY AN OLIVE BLACK VOLCANIC RICH CLAY QUITE RICH IN ORGANIC 
CONTENTIN LOWER PART,VOID 130-140 CM,CORING AND GAS DISTURBANCES ARE VERY 
EXTENSIVE THROUGHOUT,CARBONATE CONTENT IS HIGH ONLY IN THE CALCAREOUS 
LUMPS WHEREAS THE CLAY IS HARDLY CALCAREOUS IN THE TOP ZONE BECOMING MORE 
CALCAREOUS TOWARD THE BOTTOM ZONE,ON THE WHOLE THIS SEDIMENT IS STILL VERY 
SIMILAR TO THE PREVIOUS SECTIONS SINCE CORE 3-3;Z 33239000.1110.3450 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   216.62/  217.10
Hole: 154   Depth to Top of Core(m)      :   211.00
Core:   8   Depth Top/Bottom Interval(mm): 1020/1500
Sect:  4
 
Visual Text Description:
 VOLCANIC CLAY;C 5Y4/1-OLIVE GRAY, 5GY2/1-OLIVE BLACK,5G6/1-GREENISH GRAY,
5GY4/1-DARK GREENISH GRAY;U SEVERAL SMALL GREENISH GRAY CALCAREOUS 
INCLUSIONS 110-120 CM,SEVERAL PLIOCENE DARK GREENISH GRAY CLAY CLASTS,
SEMIINDURATED ASH SILTSTONE 145-150 CM;Z 33239000.1110.3450 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   217.10/  218.60
Hole: 154   Depth to Top of Core(m)      :   211.00
Core:   8   Depth Top/Bottom Interval(mm):   00/1500
Sect:  5
 
Visual Text Description:
 VOLCANIC CLAY;C 5Y4/1-OLIVE GRAY,5Y2/1-OLIVE BLACK;U SEVERAL CLASTS OF 
SEMIINDURATED VOLCANIC SILTSTONES;D DISTURBED THROUGHOUT;O VOID 38-92 CM,
GAS VOIDSPUSHED TOGETHER,CLASTS OF ABOVE SECTION ARE NOT PRESENT;Z 
00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   218.60/  220.10
Hole: 154   Depth to Top of Core(m)      :   211.00
Core:   8   Depth Top/Bottom Interval(mm):   00/1500
Sect:  6
 
Visual Text Description:
 VOLCANIC CLAY;C 5Y4/1-OLIVE GRAY;D DISTURBED THROUGHOUT;O VOID 22-55 AND 
80-104 CM,GAS VOIDS ARE IN SITU,CALCAREOUS CONTENT IS LOW,FEW NANNOS 
PRESENT,PYRITE AND GLAUCONITE ARE COMMON,ABUNDANT ASH MINERALS;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   221.48/  222.50
Hole: 154   Depth to Top of Core(m)      :   221.00
Core:   9   Depth Top/Bottom Interval(mm):  480/1500
Sect:  1
 
Visual Text Description:
 VOLCANIC FINE SAND AND SILT;C 5Y2/1-OLIVE BLACK,5G6/1-GRAYISH GREEN;S 
GRAYISH GREEN MUDSTONE COBBLE WHICH IS SLIGHTLY CALCAREOUS AND SEEM TO 
HAVE FORAMS (6X4X2 CM) 68-74 CM;D DISTURBED THROUGHOUT;P FORAMS;O GAS VOID 
IN WORKING HALF 0-67 CM,OLIVE BLACK SOUPYVOLCANIC FINE SAND AND SILT 
GRADING TO VOLCANIC SAND OF SAME COLOR,VOLCANIC SAND IS HOMOGENEOUS AND 
NON-CALCAREOUS,SOUP-SAND BOUNDARY 75 CM;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   230.70/  231.00
Hole: 154   Depth to Top of Core(m)      :   230.00
Core:  10   Depth Top/Bottom Interval(mm):  700/1000
Sect:  1
 
Visual Text Description:
 VOLCANIC SAND AND SILT;C 5Y2/1-OLIVE BLACK;D VERYSOUPY;O STORED IN A 
FREEZER BOX;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   231.00/  231.50
Hole: 154   Depth to Top of Core(m)      :   230.00
Core:  10   Depth Top/Bottom Interval(mm): 1000/1500
Sect:  1
 
Visual Text Description:
 SAND AND SILT;C N5-MEDIUM GRAY,5G6/1-GRAYISH GREEN,5G4/1-DARK GREENISH 
GRAY;S MEDIUM GRAY FINE VOLCANIC SAND STONE CLAST (5X3X2 CM) VERY SLIGHTLY 
CALCAREOUS (ACTUALLY A TUFF),GRAYISH GREEN MUD-SILTSTONE CLASTS,DARK 
GREENISH GRAY CLAY CLASTS SLIGHTLY INDURATED (SIMILAR TO PLIOCENE 
CONTAMINATION PREVIOUSLY DESCRIBED);D DISTURBED THROUGHOUT;O OLIVE BLACK 
SAND AND SILT AS A VOLCANIC MATRIX WITH SEVERAL TYPES OF CLASTS,NO 
CARBONATE;Z 33214000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   231.50/  232.64
Hole: 154   Depth to Top of Core(m)      :   230.00
Core:  10   Depth Top/Bottom Interval(mm):   00/1140
Sect:  2
 
Visual Text Description:
 VOLCANIC SILT AND CLAY;C 5Y2/1-OLIVE BLACK,5G4/1-DARK GREENISH GRAY,
N5-MEDIUM GRAY;S DARK GREENISH GRAY CLAY PEBBLE 1-2 CM,MEDIUM GRAY 
VOLCANIC TUFFACEOUS SANDSTONE PEBBLE 9-11 CM,GRAYISH GREEN SILTSTONE 
PEBBLE 28-31 CM;D DISTURBED THROUGHOUT;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   232.64/  232.74
Hole: 154   Depth to Top of Core(m)      :   230.00
Core:  10   Depth Top/Bottom Interval(mm): 1140/1240
Sect:  2
 
Visual Text Description:
 VERY COARSE VOLCANIC SANDSTONE;O VERY COARSE VOLCANIC SANDSTONE 
CONTAINING UNSORTED SHELL FRAGMENTS ORIENTED PARALLEL TO BEDDING GRAINS,
BOUNDARY OF COARSE TO FINE SAND,PELECYPODS,POSSIBLE CORAL ALGAE;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   232.82/  233.00
Hole: 154   Depth to Top of Core(m)      :   230.00
Core:  10   Depth Top/Bottom Interval(mm): 1320/1500
Sect:  2
 
Visual Text Description:
 VOLCANIC SILT AND CLAY;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   233.19/  234.46
Hole: 154   Depth to Top of Core(m)      :   230.00
Core:  10   Depth Top/Bottom Interval(mm):  190/1460
Sect:  3
 
Visual Text Description:
 VOLCANIC SANDS AND SILTS AND CLAYS;C 5Y4/1-OLIVE GRAY,5Y2/1-OLIVE BLACK;S 
LAMINATED ZONE WITH NUMEROUS WOOD AND LEAF FRAGMENTS 19-32 CM,SLIGHTLY 
INDURATED VOLCANIC SILT PEBBLES 44-48 AND 144-146 CM,BEDDED COMPACT SILT 
122-132 CM;O VOID 70-74 CM,SEVERAL LAYERS ARE MORE COMPACT;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   240.83/  241.50
Hole: 154   Depth to Top of Core(m)      :   240.00
Core:  11   Depth Top/Bottom Interval(mm):  830/1500
Sect:  1
 
Visual Text Description:
 VOLCANIC SILT AND SAND;C 5Y4/1-OLIVE GRAY,5Y2/1-OLIVE BLACK;S NUMEROUS 
PEBBLES OF COMPACTED VOLCANIC SILT 105-150 CM,SLIGHT BURROWING OBSERVED IN 
SILT;D DISTURBED THROUGHOUT;M GLAUCONITE;M SLIGHTLY CALCAREOUS WITH 
GLAUCONITE 120-127 CM;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   241.50/  243.00
Hole: 154   Depth to Top of Core(m)      :   240.00
Core:  11   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 VOLCANIC SAND AND SILT;C 5GY4/1-DARK GREENISH GRAY,5Y2/1-OLIVE BLACK,
5GY6/1-GREENISH GRAY;S MANY SEMI-INDURATED LAYERS,GREENISH GRAY MODERATELY 
CALCAREOUS (NANNOS) LAYER 56-60 CM,BURROWING IN SILT LAYERS,INDURATED SAND 
LAYER 61-62 CM;D DISTURBED THROUGHOUT;U PIECE OF WOOD (5X2X1/2 CM) WELL 
PRESERVED 46 CM;P SOME SHELLS AND FRAGMENTS ARE MIXED;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   243.00/  244.50
Hole: 154   Depth to Top of Core(m)      :   240.00
Core:  11   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 VOLCANIC SAND AND SILT;C 5Y4/1-OLIVE GRAY,5Y2/1-OLIVE BLACK;S SLIGHT 
BURROWING IS ENRICHED IN CARBONATE (MOSTLY NANNOS);D DISTURBED THROUGHOUT;
O SILTS ARE SLIGHTLY COMPACTED AND INDURATED,CARBONATE IS NIL;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   249.59/  250.50
Hole: 154   Depth to Top of Core(m)      :   249.00
Core:  12   Depth Top/Bottom Interval(mm):  590/1500
Sect:  1
 
Visual Text Description:
 VOLCANIC SAND AND SILT AND CLAY;C 5Y4/1-OLIVE GRAY,5G4/1-DARK GREENISH 
GRAY;S NUMEROUS DARK GREEN INCLUSIONS (CLAY WITH ZEOLITES AND VOLCANICS 
AND SLIGHTCARBONATE);D DISTURBED THROUGHOUT;O SAND AND SILT AND CLAY MIXED 
HOMOGENEOUSLY;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   251.77/  252.00
Hole: 154   Depth to Top of Core(m)      :   249.00
Core:  12   Depth Top/Bottom Interval(mm): 1270/1500
Sect:  2
 
Visual Text Description:
 VOLCANIC SAND AND SILT AND CLAY;C 5Y4/1-OLIVE GRAY,5G6/1-GREENISH GRAY;U 
GREENISH GRAY INCLUSIONS;D DISTURBED THROUGHOUT;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   258.60/  259.50
Hole: 154   Depth to Top of Core(m)      :   258.00
Core:  13   Depth Top/Bottom Interval(mm):  600/1500
Sect:  1
 
Visual Text Description:
 VOLCANIC SAND AND SILT AND CLAY;C 5GY4/1-OLIVE GRAY,5Y2/1-OLIVE BLACK,
5G6/1-GREENISH GRAY;U GREENISH GRAY PEBBLES ARE ABUNDANT AND CONTAIN 
MOSTLY VOLCANIC GLASS AND CLAY;D DISTURBED THROUGHOUT;O MIXED SEDIMENT;Z 
00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   259.50/  261.00
Hole: 154   Depth to Top of Core(m)      :   258.00
Core:  13   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 VOLCANIC SAND AND SILT AND CLAY;D VERY  SOUPY;O STORED IN TWO FREEZER 
BOXES;H VERY SOUPY;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   261.00/  262.50
Hole: 154   Depth to Top of Core(m)      :   258.00
Core:  13   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 VOLCANIC SAND AND SILT AND CLAY;C 5Y4/1-OLIVE GRAY,5Y2/1-OLIVE BLACK,
5G6/1-GREENISH GRAY;U GREENISH GRAY SILTSTONE PEBBLES (VERY HARD) ARE 
COMMON IN THE TOP 30 CM;D DISTURBED THROUGHOUT;O MIXED;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   264.00/  265.50
Hole: 154   Depth to Top of Core(m)      :   258.00
Core:  13   Depth Top/Bottom Interval(mm):   00/1500
Sect:  5
 
Visual Text Description:
 VOLCANIC SAND AND SILT AND CLAY;C 5Y4/1-OLIVE GRAY,5Y2/1-OLIVE BLACK;D 
SOUPY 0-70 CM,DISTURBED 70-150CM;O COMPLETELY MIXED;H SOUPY 0-70 CM;Z 
00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   265.86/  267.00
Hole: 154   Depth to Top of Core(m)      :   258.00
Core:  13   Depth Top/Bottom Interval(mm):  360/1500
Sect:  6
 
Visual Text Description:
 VOLCANIC SAND AND SILT AND CLAY;C 5Y4/1-OLIVE GRAY,5Y2/1-OLIVE BLACK,
5G6/1-GREENISH GRAY;U ONE SMALL GREENISH GRAY SILTSTONE 150 CM;D DISTURBED;
O MIXED,FAIRLY HOMOGENEOUS;Z 00000000 
 
 
Leg : 15    Depth Top/Bottom of Layer(m) :   268.00/  269.36
Hole: 154   Depth to Top of Core(m)      :   268.00
Core:  14   Depth Top/Bottom Interval(mm):   00/1360
Sect:  1
 
Visual Text Description:
 VOLCANIC SAND;C 5Y2/4-OLIVE BLACK,5GY2/1-GREENISHBLACK;S GREENISH BLACK 
CLAY LAYERS (WELL COMPACTED)70-81 CM,PARTLY CEMENTED SAND WITH A FEW 
ALTERED PLANT FRAGMENTS 123-130 CM;D DISTURBED THROUGHOUT,VERYSOUPY 0-50 
CM;M CARBONATE CONTENT IS VERY LOW;H SOUPY 0-50 CM;Z 33214000.3700 
 
 
    

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