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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 
 
 
    

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.

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