Core Data from the Deep Sea Drilling Project
Leg : 31 Depth Top/Bottom of Layer(m) : 23.00/ 24.50
Hole: 290 Depth to Top of Core(m) : 23.00
Core: 1 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
SILT RICH CLAY;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 25.58/ 26.00
Hole: 290 Depth to Top of Core(m) : 23.00
Core: 1 Depth Top/Bottom Interval(mm): 1080/1500
Sect: 2
Visual Text Description:
SILT-BEARING CLAY;C 10YR4/2-DARK YELLOW BROWN;D INTENSELY DEFORMED;O VOID
TO 108 CM;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 26.00/ 27.50
Hole: 290 Depth to Top of Core(m) : 23.00
Core: 1 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
L SILT-RICH CLAY;C DARK YELLOW BROWN; D INTENSELY DEFORMED WITH SOME VOID
SPACE DOWN SIDE;O CENTRAL PART OF CORE IS GENERALLY CONTINUOUS, THUS CORE
ISNOT DRILLING BRECCIA;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 27.50/ 29.00
Hole: 290 Depth to Top of Core(m) : 23.00
Core: 1 Depth Top/Bottom Interval(mm): 00/1500
Sect: 4
Visual Text Description:
SILT-BEARING CLAY;C 10YR4/2-DARK YELLOW BROWN;D HIGHLY DEFORMED;O CORE IS
DRILLING BRECCIA;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 29.10/ 29.10
Hole: 290 Depth to Top of Core(m) : 23.00
Core: 1 Depth Top/Bottom Interval(mm): 0/ 0
Sect: CC
Visual Text Description:
SILT-RICH CLAY;C 5YR3/4-MODERATE BROWN;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 70.50/ 70.55
Hole: 290 Depth to Top of Core(m) : 70.50
Core: 2 Depth Top/Bottom Interval(mm): 00/ 50
Sect: 1
Visual Text Description:
DRILLING BRECCIA;O HIGHLY DEFORMED;O CORE IS VOID5 CM TO 54 CM;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 71.04/ 72.00
Hole: 290 Depth to Top of Core(m) : 70.50
Core: 2 Depth Top/Bottom Interval(mm): 540/1500
Sect: 1
Visual Text Description:
5YR3/2-GREYISH BROWN,5YR3/4-MEDIUM BROWN,5YR4/4 MODERATE BROWN;D
INTENSELY DEFORMED;U SMALL BLEBS OF MODERATE BROWN COLOR;O VERTICAL
STREAKING;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 72.00/ 73.50
Hole: 290 Depth to Top of Core(m) : 70.50
Core: 2 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
ZEOLITE RICH CLAY;C 5YR3/2-GREYISH BROWN,5YR4/4-MODERATE BROWN;D HIGHLY
DEFORMED;U ASH BLEB AT 65.5 CM OF MODERATE BROWN COLOR;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 73.50/ 73.61
Hole: 290 Depth to Top of Core(m) : 70.50
Core: 2 Depth Top/Bottom Interval(mm): 00/ 110
Sect: 3
Visual Text Description:
ZEOLITE RICH CLAY;C 5YR3/2-GREYISH BROWN;D MODERATELY DEFORMED;O CORE IS
VOID 11 CM TO 33 CM;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 73.83/ 75.00
Hole: 290 Depth to Top of Core(m) : 70.50
Core: 2 Depth Top/Bottom Interval(mm): 330/1500
Sect: 3
Visual Text Description:
ZEOLITE RICH CLAY;C 5YR3/2-GRAYISH BROWN,5Y8/4-GREYISH YELLOW;D
MODERATELY DEFORMED;U ASH BLEBS AT 71CM AND 77 TO 79 CM AND 88 TO 89 CM;H
SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 75.00/ 76.50
Hole: 290 Depth to Top of Core(m) : 70.50
Core: 2 Depth Top/Bottom Interval(mm): 00/1500
Sect: 4
Visual Text Description:
ZEOLITE-RICH CLAY;C 5YR3/2-BROWN,5YR5/6-LIGHT BROWN;D MODERATELY DEFORMED;
U MINOR BLEBS OF LIGHT BROWN COLOR;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 76.50/ 78.00
Hole: 290 Depth to Top of Core(m) : 70.50
Core: 2 Depth Top/Bottom Interval(mm): 00/1500
Sect: 5
Visual Text Description:
ZEOLITE-RICH CLAY;C 5YR3/2-GREYISH BROWN,5YR3/4-MODERATE BROWN;D
MODERATELY DEFORMED;O COLORS GRADE IMPERCEPTIBLY FROM ONE TO ANOTHER;H
SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 78.00/ 79.08
Hole: 290 Depth to Top of Core(m) : 70.50
Core: 2 Depth Top/Bottom Interval(mm): 00/1080
Sect: 6
Visual Text Description:
ZEOLITE RICH CLAY;C 5YR3/4-MODERATE BROWN,5YR4/4-MODERATE BROWN;D
MODERATELY DEFORMED;O CORE IS VOID FROM 108 CM TO 150 CM;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 79.60/ 79.60
Hole: 290 Depth to Top of Core(m) : 70.50
Core: 2 Depth Top/Bottom Interval(mm): 0/ 0
Sect: CC
Visual Text Description:
ZEOLITE-RICH CLAY;C 5YR3/4-MODERATE BROWN;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 99.00/ 100.50
Hole: 290 Depth to Top of Core(m) : 99.00
Core: 3 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
NANNO OOZE WITH DRILLING BRECCIA;C 10YR4/2-DARK YELLOW BROWN,
10YR5/4-MODERATE YELLOW BROWN;D MODERATEDEFORMITY TO 107 CM,DEFORMITY
PROBABLY INTENSE BELOW 107 CM;O COLORS ALTERNATE-10YR4/2 TO 40 CM AND
10YR5/4 TO CM AND 10YR4/2 TO 150 CM;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 100.50/ 102.00
Hole: 290 Depth to Top of Core(m) : 99.00
Core: 3 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
NANNO OOZE WITH MINOR ZONE LITHIFIED TO NANNO CHALK;C 10YR5/4-MODERATE
YELLOW BROWN;D MODERATE OR SLIGHT? DEFORMATION;U 145 CM TO 150 CM
LITHIFIED TO CHALK;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 102.00/ 103.50
Hole: 290 Depth to Top of Core(m) : 99.00
Core: 3 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
NANNO OOZE;C 10YR5/4;D MODERATE OR SLIGHT DEFORMATION;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 103.60/ 103.60
Hole: 290 Depth to Top of Core(m) : 99.00
Core: 3 Depth Top/Bottom Interval(mm): 0/ 0
Sect: CC
Visual Text Description:
NANNO OOZE;C 10YR5/4-MODERATE YELLOWISH BROWN;Z 11111210
Leg : 31 Depth Top/Bottom of Layer(m) : 119.20/ 119.50
Hole: 290 Depth to Top of Core(m) : 118.00
Core: 4 Depth Top/Bottom Interval(mm): 1200/1500
Sect: 1
Visual Text Description:
NANNO OOZE;C 10YR5/4-MODERATE YELLOWISH BROWN;Z 11111210
Leg : 31 Depth Top/Bottom of Layer(m) : 119.50/ 121.00
Hole: 290 Depth to Top of Core(m) : 118.00
Core: 4 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
NANNO OOZE;C 10YR5/4-MODERATE YELLOW BROWN,10YR6/6-DARK YELLOW ORANGE,
10YR4/2;S LOCAL THIN LAMINAE OF10YR4/2 IN 10YR6/6 WHICH ARE ENRICHED IN
VOLCANIC DETRITUS;D SLIGHT TO MODERATE DEFORMATION;U SCATTEREDMANGANESE
NODULES LESS THAN 2MM IN DIAMETER;M MANGANESE;O COLORS VARY AS FOLLOWS: 0
CM TO 50 CM 10YR5/4,50 CM TO 113 CM 10YR6/6,113 CM TO 120 CM 10YR5/4,120
CM TO 143 CM 10YR6/6,143 CM TO 150 CM 10YR5/4;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 121.10/ 121.10
Hole: 290 Depth to Top of Core(m) : 118.00
Core: 4 Depth Top/Bottom Interval(mm): 0/ 0
Sect: CC
Visual Text Description:
NANNO OOZE;C 10YR5/4 MODERATE YELLOWISH BROWN;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 137.00/ 138.50
Hole: 290 Depth to Top of Core(m) : 137.00
Core: 5 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
CLAY-RICH NANNO OOZE;C 10YR7/4-GREYISH ORANGE,10YR4/2-DARK YELLOW BROWN;S
MINOR LAMINAE,BURROWS,AND SHEARS DEFINED BY 10YR4/2, BURROWS AT 102 CM AND
139 CM,SHEAR AT 113 CM TO 119 CM;D SLIGHTLY DEFORMED;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 138.50/ 140.00
Hole: 290 Depth to Top of Core(m) : 137.00
Core: 5 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
NANNO OOZE;C 10YR7/4-GREY ORANGE,5Y5/2-LIGHT OLIVE GREY;S NUMEROUS
BURROWS DEFINED BY DARKER COLOR ABOUT 3 MM IN DIAMETER CUTTING ACROSS CORE;
D SLIGHT DEFORMATION,BUT CORE IS BROKEN INTO SMALL PIECES;O TRANSITIONAL
COLOR CHANGE FROM 10YR7/4 AT 0 CM TO 5Y5/2AT 150 CM;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 140.00/ 141.50
Hole: 290 Depth to Top of Core(m) : 137.00
Core: 5 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
NANNO OOZE;C 5Y5/2-LIGHT OLIVE GREY;D SLIGHT DEFORMATION OF BEDDING,BUT
CORE BROKEN INTO MANY PIECES;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 141.60/ 141.60
Hole: 290 Depth to Top of Core(m) : 137.00
Core: 5 Depth Top/Bottom Interval(mm): 0/ 0
Sect: CC
Visual Text Description:
CLAY RICH NANNO OOZE WITH VOLCANICS;C 10Y5/2-GREYISH OLIVE;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 156.45/ 157.50
Hole: 290 Depth to Top of Core(m) : 156.00
Core: 6 Depth Top/Bottom Interval(mm): 450/1500
Sect: 1
Visual Text Description:
CLAYEY VOLCANIC (ASH) NANNO OOZE;C 5Y5/2-LIGHT OLIVE GREY;D SLIGHT
DEFORMATION;O VOID TO 45 CM;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 157.50/ 159.00
Hole: 290 Depth to Top of Core(m) : 156.00
Core: 6 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
CLAYEY VOLCANIC ASH NANNO OOZE;C 5Y5/2;S MINOR BURROWS LESS THAN 3 MM IN
DIAMETER;D SLIGHT DEFORMATION;H SOFT;Z 11111210.3651
Leg : 31 Depth Top/Bottom of Layer(m) : 159.00/ 160.50
Hole: 290 Depth to Top of Core(m) : 156.00
Core: 6 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
NANNO VOLCANIC ASH;C 5Y5/2-LIGHT OLIVE GREY;S MINOR BURROWS LESS THAN 3
MM WIDE;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 160.60/ 160.60
Hole: 290 Depth to Top of Core(m) : 156.00
Core: 6 Depth Top/Bottom Interval(mm): 0/ 0
Sect: CC
Visual Text Description:
NANNO VOLCANIC ASH;C 5Y5/2-LIGHT OLIVE GREY;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 214.50/ 216.00
Hole: 290 Depth to Top of Core(m) : 213.00
Core: 7 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
NANNO VOLCANIC ASH;C 5Y5/2-LIGHT OLIVE GREY;S ZONE OF LAPILLI RICH NANNO
VOLCANIC ASH FROM 20 CM TO 80 CM AND 90 CM TO 100 CM;D SLIGHT DEFORMATION;
O LAPILLI MAXIMUM DIMENSION OF 7 MM,LAPILLI RICH ZONE APPEARS UNGRADED,
CONTACTS WITH SURROUNDING NANNO VOLCANIC ASH IRREGULAR,IRREGULAR AREAS OF
NANNO ASH APPARENTLY INCLUDED IN LAPILLI-RICH VOLCANIC ASH,LAPILLI-RICH
ASH PROBABLY MASS FLOW DEPOSIT;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 216.00/ 217.50
Hole: 290 Depth to Top of Core(m) : 213.00
Core: 7 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
NANNO VOLCANIC ASH;C 5Y5/2-LIGHT OLIVE GREY;S ZONE OF LAPILLI-RICH NANNO
VOLCANIC ASH 32 CM TO 36 CM;D SLIGHT DEFORMATION;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 217.50/ 219.00
Hole: 290 Depth to Top of Core(m) : 213.00
Core: 7 Depth Top/Bottom Interval(mm): 00/1500
Sect: 4
Visual Text Description:
NANNO RICH VOLCANIC ASH;C 5Y5/2-LIGHT OLIVE GREY;D SLIGHT DEFORMATION;H
SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 219.10/ 219.10
Hole: 290 Depth to Top of Core(m) : 213.00
Core: 7 Depth Top/Bottom Interval(mm): 0/ 0
Sect: CC
Visual Text Description:
NANNO RICH VOLCANIC ASH;C 5Y3/2-OLIVE GREY;H SOFT;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 242.08/ 243.00
Hole: 290 Depth to Top of Core(m) : 241.50
Core: 8 Depth Top/Bottom Interval(mm): 580/1500
Sect: 1
Visual Text Description:
OLIVINE?-RICH-PUMICE-CONGLOMERATE BRECCIA;C 5Y4/1-OLIVE GREY,5Y4/1-MEDIUM
GREENISH GREY,-WHITE,-BLACK,10YR5Y4-MODERATE YELLOW BROWN,5YR5/6-LIGHT
BROWN,5Y3/2-OLIVE GREY;U SUB-ROUNDED FRAGMENTS OF WHITE AND LIGHT BROWN
PUMICE,BLACK GLASS,DARK CLASTS MAY BE CHERT;O 0 CM TO 6 CM IS VOID,80 CM
TO 125 CM WELL SORTED WITH GREATER ANGULARITY,125 CM TO 150 CM MODERATETO
POOR SORTING,COLOR TRANSITION OLIVE GREEN DOWN TO TO MODERATE YELLOW BROWN;
Z 33239000
Leg : 31 Depth Top/Bottom of Layer(m) : 243.00/ 244.50
Hole: 290 Depth to Top of Core(m) : 241.50
Core: 8 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
5YR,10YR;U SUB-WELL ROUNDED CLASTS,1 MM TO 3 MM DIAMETER,AT 60 CM CLASTS
UP TO 3 CM;O WEATHERING ZONEREMAINS ON 21 PIECE (LAST PIECE) OF CORE
CLASTS;Z 33239000
Leg : 31 Depth Top/Bottom of Layer(m) : 244.50/ 246.00
Hole: 290 Depth to Top of Core(m) : 241.50
Core: 8 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
PORPHYRITIC BASALT,GLASSY BASALT,FELDSPAR,"ALTEREDL VOLCANICS,PUMACEOUS
MATERIAL;C 10YR5/4-WHITE;O CLASTS MAKE UP CORE,MATRIX IS WHITE CRYSTALLINE
MATTER,MATRIX HAS LOCAL VUGS WITH EUHEDRAL CRYSTALS EXTENDING INTO THEM,
MAXIMUM CLAST SIZE IS 4 CM AND AVERAGESIZE IS 3 MM,COBBLE AND GRAVEL SIZE
MATERIAL GENERALLY SHOWS CLOSED FRAMEWORK,CLASTS ARE MODERATELY TO WELL
SORTED;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 246.00/ 247.50
Hole: 290 Depth to Top of Core(m) : 241.50
Core: 8 Depth Top/Bottom Interval(mm): 00/1500
Sect: 4
Visual Text Description:
CRYSTALLINE BASALT,"CHERT",YELLOW WEATHERED VOLCANIC FRAGMENTS;C
5YR5/6-LIGHT BROWN,-WHITE;O COARSE CLASTS,POOR TO MODERATE SORTING,
GENERALLY CLOSED FRAMEWORK,MATRIX OF FINE WHITE MATERIAL;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 247.50/ 249.00
Hole: 290 Depth to Top of Core(m) : 241.50
Core: 8 Depth Top/Bottom Interval(mm): 00/1500
Sect: 5
Visual Text Description:
VOLCANIC-CONGLOMERATE BRECCIA;U CLASTS OF DIABASE,PUMACEOUS,SUB-ROUNDED,
SOME CLASTS HAVE MANGANESE RIND;H HARD;Z 00000000
Leg : 31 Depth Top/Bottom of Layer(m) : 249.10/ 249.10
Hole: 290 Depth to Top of Core(m) : 241.50
Core: 8 Depth Top/Bottom Interval(mm): 0/ 0
Sect: CC
Visual Text Description:
IGNEOUS?-DIABASE;C -GREY;Z 00000000