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Core Data from the Deep Sea Drilling Project


Leg :  6    Depth Top/Bottom of Layer(m) :     0.00/    1.50
Hole:  45A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  1
 
Visual Text Description:
 ZEOLITE CLAY;C 5YR3/2-GRAYISH BROWN;S FEW PATCHY MOTTLES OF PALER COLOR,
MOSTLY CLAY GRADE MATERIAL;D DEFORMED BY DRILLING AND CUTTING;M FINE SILT 
SIZED NEEDLE SHAPED ZEOLITES AND IRON OXIDE;P NEEDLE SHAPEDNANNOFOSSILS OF 
FINE SILT SIZE;O TOP 50 CM MORE SILTY THAN BOTTOM 100 CM,IRREGULAR CONTACT 
AT 148 CM;H SOFT,WET AND STICKY;Z 00000000;Z 00000000 
 
 
Leg :  6    Depth Top/Bottom of Layer(m) :     1.50/    1.50
Hole:  45A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm): 1500/1500
Sect:  1
 
Visual Text Description:
 ZEOLITE ASHY CLAY;C 10YR4/2-DARK YELLOWISH BROWN;S COMPACT;M DEVITRIFIED 
GLASS;H FIRM,DRY,COMPACT;Z 00000000;Z 00000000 
 
 
Leg :  6    Depth Top/Bottom of Layer(m) :     1.50/    2.70
Hole:  45A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1200
Sect:  2
 
Visual Text Description:
 ZEOLITIC CLAY;C 5YR3/4-MODERATE BROWN,10YR4/2-DARK YELLOWISH BROWN;S 
LIGHTER PATCHES OF ASH OF DARK YELLOWISH BROWN COLOR AT 13 AND 20 AND 27 
AND 90 CM WHICH ARE DRY AND COMPACT,SHARP DIAPIRIC CONTACT AT120 CM 
(CAUSED BY DRILLING?);D PROBABLY PARTLY DEFORMED BY DRILLING 0-115 CM;H 
FIRM,ASH PATCHES DRY ANDCOMPACT;Z 00000000;Z 00000000 
 
 
Leg :  6    Depth Top/Bottom of Layer(m) :     2.70/    2.90
Hole:  45A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm): 1200/1400
Sect:  2
 
Visual Text Description:
 ASH;C 10YR4/2-DARK YELLOWISH BROWN;H SOFT;Z 00000000;Z 33113000 
 
 
Leg :  6    Depth Top/Bottom of Layer(m) :     2.90/    3.00
Hole:  45A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm): 1400/1500
Sect:  2
 
Visual Text Description:
 ZEOLITIC CLAY;C 5YR3/4-MODERATE BROWN,10YR4/2-DARK YELLOWISH BROWN;S 
BURROW FILLED WITH DARK YELLOWISH BROWN AT 142 CM,IRREGULAR CONTACT AT 
140CM;H SOFT;Z 00000000;Z 31210000.3450.3350 
 
 
Leg :  6    Depth Top/Bottom of Layer(m) :     3.00/    4.50
Hole:  45A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 ZEOLITE CLAY;C 5YR3/4-MODERATE BROWN,10YR4/2-DARKYELLOWISH BROWN;S GAP AT 
10-15 CM,ASH POCKETS OF DARK YELLOWISH BROWN WITH SOME SHARDS LOCATED AT 5 
CM AND 20 CM AND 30 CM AND 40-50 CM AND 65 CM AND 70-90CM AND ARE MAINLY 
DEVITRIFIED;D INTENSE DEFORMATIONIN CLAY ZONES;M ABUNDANT ZEOLITES;O WATER 
SATURATED;H SOFT,ASH ZONES ARE DRY AND COMPACT;Z 00000000;Z 
31210000.3450.3350 
 
 
Leg :  6    Depth Top/Bottom of Layer(m) :     4.50/    6.00
Hole:  45A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 ASH AND CLAY;C 10YR4/2-PALE YELLOWISH BROWN,5YR3/4-MODERATE BROWN,
10YR4/4-DARK YELLOWISH BROWN;S THREE LITHOLOGIES ALTERNATE AND ARE IN 
APPROXIMATELY EQUAL PROPORTIONS;D INTENSE DEFORMATION IN CLAY ZONES;OTHREE 
LITHOLOGIES ARE PALE YELLOWISH BROWN ASH ANDMODERATE BROWN CLAY AND DARK 
YELLOWISH BROWN ASH;H SOFT,PALE ASH IS FAIRLY COMPACT,CLAY IS SLOPPY, 
DARKASH IS FAIRLY COMPACT,GAP AT 25-40 CM;Z 00000000;Z 33211000 
 
 
Leg :  6    Depth Top/Bottom of Layer(m) :     6.02/    6.13
Hole:  45A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):   20/ 130
Sect:  5
 
Visual Text Description:
 SILT;C 10YR4.5/2-MODERATE YELLOW BROWN,10YR5/4;S 10YR5/4 MOTTLE;O CORE IS 
EMPTY EXCEPT WHERE LITHOLOGY INDICATED;H SOFT; Z 33215000 
 
 
Leg :  6    Depth Top/Bottom of Layer(m) :     6.15/    6.17
Hole:  45A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):  150/ 170
Sect:  5
 
Visual Text Description:
 SILTY SANDSTONE;C 10YR5.5/4-DARK YELLOW ORANGE,10YR4/2,-BLACK;S PARALLEL 
BEDDING WITH ROUGH ORIENTATION,TWO 10YR4/2 MOTTLES;U BLACK 1-2MM SPOTS;H 
FIRM;Z 00000000;Z 33233000 
 
 
Leg :  6    Depth Top/Bottom of Layer(m) :     6.31/    6.37
Hole:  45A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):  310/ 370
Sect:  5
 
Visual Text Description:
 SILTSTONE;C 10YR4/2-DARK YELLOW BROWN;O TWO PIECES;H FIRM;Z 00000000;Z 
33235000 
 
 
Leg :  6    Depth Top/Bottom of Layer(m) :     6.50/    6.63
Hole:  45A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):  500/ 630
Sect:  5
 
Visual Text Description:
 CLAYEY SILT;C 10YR4.5/2-MODERATE YELLOW BROWN;S TWO SEPARATE CHUNKS;H 
FIRM;Z 00000000;Z 33215000 
 
 
Leg :  6    Depth Top/Bottom of Layer(m) :    47.00/   47.00
Hole:  45A  Depth to Top of Core(m)      :    46.90
Core:   2   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 ASH CLAY;C 5YR6/4-LIGHT BROWN,5YR4/4-MODERATE BROWN,5YR3/4-MODERATE BROWN;
S PIECES (4) UP TO 7 CM BY 4 CM BY 2 CM IN SIZE,COLOR IS BANDED FROM 1 MM 
TO 15MM IN THICKNESS AND MOST COMMONLY LESS THAN 5 MM WIDE,TRANSLUCENT 
VEINS ABOUT 1 MM THICK CUT ROCK IN PLACES AND OFFSET BANDS OF COLOR;M 
VEINS ARE ZEOLITE?;O CONTAINS 4 PIECES OF HARD,MICROCRYSTALLINE TO GLASSY 
CONSOLIDATED ASH AND CLAY MATERIAL;H HARD ROCK;Z 00000000;Z 33211000 
 
 
Leg :  6    Depth Top/Bottom of Layer(m) :    86.40/   86.40
Hole:  45A  Depth to Top of Core(m)      :    86.30
Core:   3   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 LIMESTONE;C N9-WHITE,5GY8/1-LIGHT GREENISH GRAY;SFEW WHITE OVAL PATCHES 
2-3 MM DIAMETER OF UNCERTAINORIGIN;U MINUTE SPECKS OF DARK MATERIAL;P 
COCCOLITHS AND VERY RARE FORAMS PRESENT;O 1 PIECE RECOVERED IS 5 CM BY 3 
CM BY 2 CM,WHITE ON SURFACE,LIGHT GREENISH GRAY ON FRESH BROKEN SURFACE,
MICROCRYSTALLINE;H MODERATELY HARD AND CAN BARELY BE SCRATCHED WITH 
FINGERNAIL;Z 00000000;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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