Core Data from the Deep Sea Drilling Project
Leg : 58 Depth Top/Bottom of Layer(m) : 267.50/ 267.71
Hole: 442B Depth to Top of Core(m) : 267.50
Core: 1 Depth Top/Bottom Interval(mm): 00/ 210
Sect: 1
Visual Text Description:
SL CLAY;C 10YR5/4-LT.YELLOWISH BROWN;D DRILLING BRECCIA;O 0-15 CM IS
VOID;H SOFT;Z 33211000
Leg : 58 Depth Top/Bottom of Layer(m) : 267.71/ 268.82
Hole: 442B Depth to Top of Core(m) : 267.50
Core: 1 Depth Top/Bottom Interval(mm): 210/1320
Sect: 1
Visual Text Description:
SL CLAYEY ASH;C 5Y5/1-GREY;S MASSIVE;D MODERATE DEFORMATION;H SOFT,
STICKY
Leg : 58 Depth Top/Bottom of Layer(m) : 268.82/ 268.85
Hole: 442B Depth to Top of Core(m) : 267.50
Core: 1 Depth Top/Bottom Interval(mm): 1320/1350
Sect: 1
Visual Text Description:
SL ASH BED (VOLCANIC SAND);C N5-GREY,10YR5/4-YELLOW BROWN;S N5 ASH BED
W/PUMICE FRAGMENTS SLIGHTLY INTERMIXED WITH 10YR5/4 CLAY;D MODERATE
DEFORMATION;M PUMICE,ASH (VOLC.SAND);O SHARP BOUNDARY WITH LOWER LAYER (AT
135 CM);H FIRM
Leg : 58 Depth Top/Bottom of Layer(m) : 268.85/ 269.00
Hole: 442B Depth to Top of Core(m) : 267.50
Core: 1 Depth Top/Bottom Interval(mm): 1350/1500
Sect: 1
Visual Text Description:
SL CLAY;C 5Y4/3-OLIVE;D MODERATE DEFORMATION;H STIFF
Leg : 58 Depth Top/Bottom of Layer(m) : 269.00/ 269.95
Hole: 442B Depth to Top of Core(m) : 267.50
Core: 1 Depth Top/Bottom Interval(mm): 00/ 950
Sect: 2
Visual Text Description:
SL CLAY;C 5Y4/3-OLIVE GRADING TO 5G5/1-GREENISH GREYAT ABOUT 40 CM;D
MODERATE DEFORMATION--CLOSE TO INTENSE;H FIRM,STIFF
Leg : 58 Depth Top/Bottom of Layer(m) : 269.95/ 269.98
Hole: 442B Depth to Top of Core(m) : 267.50
Core: 1 Depth Top/Bottom Interval(mm): 950/ 980
Sect: 2
Visual Text Description:
SL CLAY;C 5Y5/2-OLIVE GREY;S VAGUE BOUNDARY AT 95 CM,SHARP BOUNDARY AT
98 CM;H FIRM,STIFF
Leg : 58 Depth Top/Bottom of Layer(m) : 269.98/ 270.50
Hole: 442B Depth to Top of Core(m) : 267.50
Core: 1 Depth Top/Bottom Interval(mm): 980/1500
Sect: 2
Visual Text Description:
SL CLAY;C 10YR5/6-YELLOWISH BROWN,10YR4/4-DK.YELLOW BROWN;S 10YR5/6 CLAY
W/BANDS OF 10YR4/4 AT 110-112 AND 131-140 CM;D MODERATE DEFORMATION;U
SCATTERED MN SPECKS THROUGHOUT SECTION;M MN SPECKS;H FIRM,STIFF;Z
33211000.3651
Leg : 58 Depth Top/Bottom of Layer(m) : 270.50/ 270.70
Hole: 442B Depth to Top of Core(m) : 267.50
Core: 1 Depth Top/Bottom Interval(mm): 00/ 200
Sect: 3
Visual Text Description:
SL CLAY;C 10YR5/4;D HIGHLY DIST;U PUMICE PEBBLES,EXTENSIVE MN STREAKING,
ASH BED/ZONE;M PUMICE,MN,ASH;O HVAGUE BDY AT 20CM-NOT COLOR BUT
DISTURBANCE;H FIRM
Leg : 58 Depth Top/Bottom of Layer(m) : 270.70/ 271.25
Hole: 442B Depth to Top of Core(m) : 267.50
Core: 1 Depth Top/Bottom Interval(mm): 200/ 750
Sect: 3
Visual Text Description:
SL CLAY;C 2.5Y6/6-OLIVE YELLOW;D SLIGHT TO MODERATE DISTURBANCE;U MN
STREAKING (MICRONODULES) 60-75 CM;MMN MICRONODS;O VAGUE BOUNDARY--NOT
COLOR BUT DISTURBANCE AT 20 CM,VAGUE BOUNDARY AT 75 CM;H FIRM STIFF
Leg : 58 Depth Top/Bottom of Layer(m) : 271.25/ 271.28
Hole: 442B Depth to Top of Core(m) : 267.50
Core: 1 Depth Top/Bottom Interval(mm): 750/ 780
Sect: 3
Visual Text Description:
SL ASH BED;C 10YR6/3-PALE BROWN;S VAGUE BOUNDARY AT 75 CM;M ASH;H FIRM,
STIFF
Leg : 58 Depth Top/Bottom of Layer(m) : 271.39/ 271.44
Hole: 442B Depth to Top of Core(m) : 267.50
Core: 1 Depth Top/Bottom Interval(mm): 00/ 150
Sect: CC
Visual Text Description:
SL ASH;C 5Y7/1-LT.GREY,10YR5/4-YELLOWSH BROWN;S 5Y7/1 ASH-SOME SCATTERED
10YR5/4;D DEFORMED;M ASH;H HARD
Leg : 58 Depth Top/Bottom of Layer(m) : 277.00/ 277.13
Hole: 442B Depth to Top of Core(m) : 277.00
Core: 2 Depth Top/Bottom Interval(mm): 00/ 130
Sect: 1
Visual Text Description:
SL CLAY;C 5Y7/1-LT.GREY,10YR5/4-YELLOWISH BROWN;S CHUNKS OF SOAPY 5Y7/1
CLAY IN 10YR5/4;D EXTREME BRECCIATION;O SHARP BOUNDARY AT 13 CM;H FIRM,
SOAPY;Z 33211000
Leg : 58 Depth Top/Bottom of Layer(m) : 277.13/ 278.50
Hole: 442B Depth to Top of Core(m) : 277.00
Core: 2 Depth Top/Bottom Interval(mm): 130/1500
Sect: 1
Visual Text Description:
SL CLAY;C 7.5YR3/2-DK.BROWN;S EXTENSIVE BIOTURBATION(INCREASE IN
INTENSITY W/DEPTH),OCCASIONAL MN STREAKS,SHARP BNDRY AT 13 CM;D HIGHLY
BRECCIATED; U MN NODULE OR PUMICE W/WEATHERED CRUST 2-3 CM DIAM AT 55 CM;M
MN STREAKS (AND NODULE),PUMICE;O LAYERS OF EXTENSIVE BRECCIATION EQUALS
WEAKER LAYERS;H STIFF,HARD;Z 33211000
Leg : 58 Depth Top/Bottom of Layer(m) : 278.50/ 280.00
Hole: 442B Depth to Top of Core(m) : 277.00
Core: 2 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
SL CLAY;C 7.5YR3/2-DK.BROWN;S EXTENSIVE BIOTURBATION(35-68 CM),
MICRONODULES,EXTENSIVE MN STREAKING;D DRILLING BRECCIA TO 120 CM;U
MICRONODULES,MN STREAKS;MMICRONOD,MN STREAKS;H STIFF HARD;Z 33211000
Leg : 58 Depth Top/Bottom of Layer(m) : 280.00/ 281.01
Hole: 442B Depth to Top of Core(m) : 277.00
Core: 2 Depth Top/Bottom Interval(mm): 00/1010
Sect: 3
Visual Text Description:
SL CLAY;C 7.5YR3/2-DK.BROWN,10YR4/4-DK.YELLOWISH BROWN;S MN MICRONODS
AND STREAKING,EXTENSIVE BIOTURBATION (W/YELLOWS) AT 11-30 AND 73-100 CM;D
MODERATE TO INTENSE BRECCIATION;U MN MICRONODS AND STREAKING;M MN
MICRONODS AND STREAKING;O 101-150 CM IS ORGANIC SAMPLE;H HARD,STIFF
Leg : 58 Depth Top/Bottom of Layer(m) : 281.50/ 281.83
Hole: 442B Depth to Top of Core(m) : 277.00
Core: 2 Depth Top/Bottom Interval(mm): 00/ 330
Sect: 4
Visual Text Description:
SL CLAY;C 7.5YR4/4-DK.BROWN,7.5YR3/2-DK.BRN,10YR4/4-YELLOW BRN,
5YR4/4-DK.BRN,7.5YR7/2-PINKISH GREY;S ZONE OF 7.5YR4/4 CLAY RESULTING FROM
A MIX OF 7.5YR3/2 AND 10YR4/4 CLAYS,GRADES TO 5YR4/4 WITH 7.5YR7/2 IN
INTERVAL 25-33 CM,EXTENSIVE MOTTLING BY BIOTURBATION;D SLIGHT DISTURBANCE;
U MN MICRONOD;M MN MICRONOD;O VAGUE BDY. AT 33 CM;H STIFF
Leg : 58 Depth Top/Bottom of Layer(m) : 281.83/ 281.88
Hole: 442B Depth to Top of Core(m) : 277.00
Core: 2 Depth Top/Bottom Interval(mm): 330/ 380
Sect: 4
Visual Text Description:
SL VOLCANIC ASH;C 10YR4/2-DK.GREYISH BROWN,-PINKISH GREY;S SANDY
APPEARING,SHARP CONTACT ABOVE W/BRECCIAFRAGS OF PINKISH GREY;D SLIGHT
DISTURBANCE;U BRECCIA FRAGS;H STIFF
Leg : 58 Depth Top/Bottom of Layer(m) : 281.88/ 281.91
Hole: 442B Depth to Top of Core(m) : 277.00
Core: 2 Depth Top/Bottom Interval(mm): 380/ 410
Sect: 4
Visual Text Description:
SL CLAY;C 10YR4/4-YELLOW BROWN,5YR4/4-DK.BRN;S 10YR4/4 CLAY WITH SHARP
CONTACT TO 5YR4/4 BELOW;D SLIGHT DISTURBANCE;H STIFF;Z 33211000
Leg : 58 Depth Top/Bottom of Layer(m) : 281.91/ 282.29
Hole: 442B Depth to Top of Core(m) : 277.00
Core: 2 Depth Top/Bottom Interval(mm): 410/ 790
Sect: 4
Visual Text Description:
SL CLAY;C 5YR4/4-DK.BROWN,7.5YR7/2-PINKISH GREY;S LOWER BDY. AT 79 CM
VAGUE INTO 7.5YR7/2;D SLIGHT DISTURBANCE;H HARD,STIFF
Leg : 58 Depth Top/Bottom of Layer(m) : 282.29/ 282.59
Hole: 442B Depth to Top of Core(m) : 277.00
Core: 2 Depth Top/Bottom Interval(mm): 790/1090
Sect: 4
Visual Text Description:
SL ALT. ASH ZONE;C 7.5YR7/2-PINKISH GREY,7.5YR7/6-REDDISH YELLOW;S SHARP
CONTACT (BOY.) AT 109 CM;M ALTERED ASH;H STIFF;Z 33211000
Leg : 58 Depth Top/Bottom of Layer(m) : 282.59/ 282.90
Hole: 442B Depth to Top of Core(m) : 277.00
Core: 2 Depth Top/Bottom Interval(mm): 1090/1400
Sect: 4
Visual Text Description:
SL CLAY;C -DK.BROWN;S EXTENSIVE BIOTURBATION,MN STREAKING;D SLIGHT
DISTURBANCE;U MN MICRONODS;M MN MICRONODS AND STREAKING;P HELIMINTHOIDIA
ZOOPHYCUS(?);O 140-150 CM IS VOID;H STIFF,HARD
Leg : 58 Depth Top/Bottom of Layer(m) : 283.00/ 284.15
Hole: 442B Depth to Top of Core(m) : 277.00
Core: 2 Depth Top/Bottom Interval(mm): 00/1150
Sect: 5
Visual Text Description:
SL CLAY;C 7.5YR3/2-DK.BRN,10YR4/2-DK.GREYISH BRN,10YR3/3-DK.BROWN;S
MIXTURE OF 7.5YR3/2 AND 10YR4/2 CLAY,LIGHTER HAS BIOTURBATION (EXTENSIVE),
DARKER WITHOUT,MN MICRONODS CONCENTRATED IN LAYERS (ALSO MN STREAKS),
GRADES INTO 10YR3/3 CLAY WITH LITTLE BIOTURBATIONAROUND 90 CM (VAGUE BDY
AT 90 CM);D SLIGHT DISTURBANCE;M MN MICRONODS CONCENTRATED IN LAYERS;M MN
MICRONODS AND STREAKING;P ZOOPHYCUS 27-44 CM;H HARD,STIFF;Z 33211000
Leg : 58 Depth Top/Bottom of Layer(m) : 284.25/ 284.25
Hole: 442B Depth to Top of Core(m) : 277.00
Core: 2 Depth Top/Bottom Interval(mm): 00/ 100
Sect: CC
Visual Text Description:
SL CLAY;C 10YR3/3-DK.BROWN;H HARD,STIFF
Leg : 58 Depth Top/Bottom of Layer(m) : 286.50/ 288.00
Hole: 442B Depth to Top of Core(m) : 286.50
Core: 3 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
SL BRECCIA (CLAYSTONE);C 7.5YR3/2-DK.BROWN,2.5Y6/4-LT.YELLOWISH BROWN;S
7.5YR3/2 AS MATRIX MATERIAL WITH ROUNDED CLAYSTONE FRAGS (AVE. 2 CM TO MAX
6 CM) OF2.5Y6/4 COLOR;D DRILLING BRECCIA;M CLAYSTONE;Z 33211000
Leg : 58 Depth Top/Bottom of Layer(m) : 288.00/ 288.13
Hole: 442B Depth to Top of Core(m) : 286.50
Core: 3 Depth Top/Bottom Interval(mm): 00/ 130
Sect: 2
Visual Text Description:
SL CLAYSTONE BRECCIA;C 7.5YR3/2-DK.BROWN,2.5Y6/4-LT.YELLOW BRN;S DK.BRN
(CLAY) AS MATRIX MAT. W/LT.YELLOW BRN CLAYSTONE FRAGS,CONTINUATION OF 3-1,
SHARP BDY AT 13 CM;D DRILLING BRECCIA;M CLAYSTONE;H HARD;Z 33211000
Leg : 58 Depth Top/Bottom of Layer(m) : 288.13/ 288.99
Hole: 442B Depth to Top of Core(m) : 286.50
Core: 3 Depth Top/Bottom Interval(mm): 130/ 990
Sect: 2
Visual Text Description:
SL CLAY;C 7.5YR3/2-DK.BRN;S EXTENSIVE BIOTURBATION,MN STREAKING,VAGUE
BIOTURBATED BDY AT 99 CM;D MODERATE DISTURBANCE;U MN MICRONODS;M MN
MICRONODS AND STREAKING;H FIRM
Leg : 58 Depth Top/Bottom of Layer(m) : 288.99/ 289.08
Hole: 442B Depth to Top of Core(m) : 286.50
Core: 3 Depth Top/Bottom Interval(mm): 990/1080
Sect: 2
Visual Text Description:
SL ALTERED ASH CLAY;C 2.5Y6/4-LT.YELLOW BROWN;S UPPER BDY BIOTURBED,
LOWER BDY SHARP;M ALTERED ASH;H HARD
Leg : 58 Depth Top/Bottom of Layer(m) : 289.08/ 289.50
Hole: 442B Depth to Top of Core(m) : 286.50
Core: 3 Depth Top/Bottom Interval(mm): 1080/1500
Sect: 2
Visual Text Description:
SL CLAY;C -DK.BRN,N7-LT.GREY;S BIOTURBATION (EXTENSIVE WITH LT.GREY AT
139-142 CM),MN STREAKING;U MN MICRONODS;M MN MICRONODS AND STREAKING;H
HARD;Z 33211000
Leg : 58 Depth Top/Bottom of Layer(m) : 289.50/ 289.55
Hole: 442B Depth to Top of Core(m) : 286.50
Core: 3 Depth Top/Bottom Interval(mm): 00/ 50
Sect: 3
Visual Text Description:
SL CLAY;C 7.5YR3/2-DK.BROWN;S BURROWED BOUNDARY;D BRECCIATED;H HARD
Leg : 58 Depth Top/Bottom of Layer(m) : 289.55/ 289.56
Hole: 442B Depth to Top of Core(m) : 286.50
Core: 3 Depth Top/Bottom Interval(mm): 50/ 60
Sect: 3
Visual Text Description:
SL ALTERED ASH;C 2.5Y7/4-PALE YELLOW;M ALT. ASH;H HARD;Z 33113000
Leg : 58 Depth Top/Bottom of Layer(m) : 289.56/ 289.61
Hole: 442B Depth to Top of Core(m) : 286.50
Core: 3 Depth Top/Bottom Interval(mm): 60/ 110
Sect: 3
Visual Text Description:
SL CLAY;C 7.5YR3/2-DK.BRN;S BURROWED BOUNDARY AT 11 CM;D VAGUELY
BRECCIATED;H HARD;Z 33211000
Leg : 58 Depth Top/Bottom of Layer(m) : 289.61/ 289.70
Hole: 442B Depth to Top of Core(m) : 286.50
Core: 3 Depth Top/Bottom Interval(mm): 110/ 200
Sect: 3
Visual Text Description:
SL ALTERED ASH;C 2.5Y6/4-LT.YELLOWISH BRN,2.5Y5/2-GREYISH BROWN,
-LT.YELLOW W/PINK,-LT.YELLOW,-BRN;S 2.5Y6/4 ALTERED ASH WITH EVIDENCE OF
DISTINCT LAYERING:11-13 CM IS LT.YEL.BRN,13-14 CM IS GREY BRN,14-18 CM IS
LT.YEL.W/PINK,18-20 CM IS LT.YELLOW,20-21 CM ISBROWN,BIOTURBATED;D
BRECCIATED;M ALT. ASH;O BELOW 20 CM IS BASALT;H HARD