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Core Data from the Deep Sea Drilling Project


Leg : 11    Depth Top/Bottom of Layer(m) :     0.00/    1.50
Hole:  99A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  1
 
Visual Text Description:
 BROWN CALCAREOUS CLAY (SILTY) ;C 10YR4/3,10YR8/3,10YR2/2 ;S FAINT DARK 
LAMINAE 59-65CM,DIFFUSE LAYEROF LIGHTER BROWN 50-55CM,65-70CM AND 
103-106CM ;O MODERATE DEFORMATION AT 0-35CM ;U BLACK MANGANESE COATED 
NODULES AT 90CM AND 110CM APPROXIMATELY 70MM;M IRON OXIDE,QTZ,DOLO.RHOMB,
MN ;P FORAMS A,NANNO C ;O FORAMS MORE ABUNDANT THROUGH 57-62CM,EST.CARB 40 
;H SOFT;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :     1.50/    3.00
Hole:  99A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 BROWN SILTY CLACAREOUS CLAY ;C 10YR4/3 ;S SLIGHTMOTTLING AT 45-110CM,THIN 
LAYER OF VERY WELL ROUNDED CALCAREOUS DEBRIS AT 15-20CM,ALMOST HOMOGENEOUS 
THROUGHOUT CORE SECTION ;D MODERATE DEFORMATION AT 68-86CM AND AT 
120-150CM ;M DARK MANGANESE OR PYRITE SPECKS AT 15-20CM,RARE SPARRY 
MICRONODULES AT 15-20CM;P LARGE ROUNDED FORAMS AT 15-20CM ;O EST.CARB 50,
ZONE AT 15-20CM POSSIBLY TURBIDITE LAYER ;H SOFT;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :     3.00/    4.50
Hole:  99A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 SILTY SANDY CALCAREOUS CLAY ;C 10YR4/3-BROWN ;S HOMOGENEOUS THROUGHOUT 
CORE SECTION ;D MODERATE DEFORMATION THROUGHOUT CORE SECTION ;O EST.CARB 
50;H SOFT;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :     4.50/    6.00
Hole:  99A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 CLAY (SAND AND SILT) NANNO (FORAM) OOZE;C 10YR4/3-BROWN ;S UNIFORM 
THROUGH CORE ;D MODERATE DEFORMATION THROUGH CORE ;O EST.CARB 70 ;H SOFT;Z 
00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :     6.00/    7.50
Hole:  99A  Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  5
 
Visual Text Description:
 CLAY SAND AND SILT NANNO FORAM OOZE;C 10YR4/3-BROWN ;S UNIFORM THROUGH 
CORE ;D MODERATE DEFORMATION THROUGH CORE ;O EST.CARB 70 ;H SOFT;Z 
00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :    15.65/   16.75
Hole:  99A  Depth to Top of Core(m)      :    15.00
Core:   2   Depth Top/Bottom Interval(mm):  400/1500
Sect:  1
 
Visual Text Description:
 CLAYEY NANNO FORAM OOZE;C 10YR5/4-YELLOWISH BROWN;S SOME SLIGHTLY DARKER 
COLOR MOTTLING ;D MODERATEDEFORMATION THROUGHOUT CORE SECTION ;P 
CALC.NANNOS D FORAMS C,CHIEFLY COCCOLITHS AND DISCOASTERS ;O EST.CARB 80,
LAYER AT 132-150 HAS MUCH ADMIXED COARSE CALCAREOUS DEBRIS AND LARGE 
FORAMS ;H SOFT;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :    16.75/   18.25
Hole:  99A  Depth to Top of Core(m)      :    15.00
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 CLAYEY NANNO FORAM OOZE ;C 10YR6/3-PALE BROWN,10YR7/4-VERY PALE BROWN,
10YR5/4-YELLOWISH BROWN,10YR8/2-CREAM WHITE,10YR8/1-WHITE ;S BEDDING, PALE 
BROWN BED AT 0-25CM WITH COARSE CALCAREOUS PARTICLES,BED AT25-40CM WITH 
DARK BROWN STREAKS,BEDS AT 62-97 AND 105-110CM VERY PALE BROWN,BED AT 
97-105 YELLOWISH BROWN,CREAM WHITE AT 110-112,10YR6/4 AT 112-145 AND WHITE 
BED AT 145-150 ;D MODERATE DEFORMATION THROUGH CORE ;O EST.CARB 85 IN 
BOTTOM BED EST.CARB IS 95 ;H SOFT;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :    18.25/   19.75
Hole:  99A  Depth to Top of Core(m)      :    15.00
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 CLAYEY FORAM NANNO OOZE ;C 10YR6/4-PALE BROWN,10YR8/2-WHITE,
10YR5/4-YELLOWISH BROWN,10YR4/3-BROWN ;SBEDDING,PALE BROWN BEDS AT 0-10CM 
65-150,WHITE BEDSAT 10-30 AND 50-52CM,YELLOWISH BROWN BED AT 30-50CM;D 
MODERATE DEFORMATION THROUGH CORE ;O EST.CARB 95,SMALL DARK SPECKS AT 
50-68CM;H VERY SOFT;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :    19.75/   21.25
Hole:  99A  Depth to Top of Core(m)      :    15.00
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 CLAYEY NANNO-FORAM OOZE ;C 10YR6/4-LIGHT YELLOWISH BROWN ;S UNIFORM 
THROUGHOUT ;D MODERATE DEFORMATION ;M CLAY MINERALS STAINED BY IRON OXIDE ;
P COCCOLITHS AND FORAMS C,DISCOASTERS ;O EST.CARB 95,SOME STREAKS OF 
SLIGHTLY LIGHTER OR DARKER MATERIAL ;H SOFT;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :    21.25/   22.75
Hole:  99A  Depth to Top of Core(m)      :    15.00
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  5
 
Visual Text Description:
 NANNO FORAM OOZE ;C -BROWN,N3,5Y6/3 ;S BEDDING, BROWN BEDS AT 0-75CM AND 
92-100CM AND 110-150CM,DARKGRAY BED AT 73-76CM (DIFFUSE),PALE OLIVE BEDS 
AT 76-92 AND 100-110 ;D INTENSE DEFORMATION 0-65CM AND 120-150CM,MODERATE 
DEFORMATION AT 65-120CM ;O OOZE ISCLAYEY,BROWN VARIES LIGHTER AND DARKER ;
H SOFT;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :    22.75/   24.25
Hole:  99A  Depth to Top of Core(m)      :    15.00
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  6
 
Visual Text Description:
 CLAYEY FORAM NANNO OOZE ;C 10YR6/3-PALE BROWN ;SBEDDING OF SOFT AND VERY 
SOFT SEDIMENT,SOFT BEDS AT0-70CM AND 95-102 REST IS VERY SOFT ;D MODERATE 
DEFORMATION THROUGH CORE ;O EST.CARB 95,OCCASIONAL VOIDS IN SEDIMENT AT 
40-50CM AND 61-64CM,CHERT FRAGMENTSAT 50CM,TWO AT 120CM, AT 130CM AND 140 
CM,ALL CHERTFRAGS ARE BROWN ;H SOFT;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :    74.88/   75.50
Hole:  99A  Depth to Top of Core(m)      :    74.00
Core:   5   Depth Top/Bottom Interval(mm):  880/1500
Sect:  1
 
Visual Text Description:
 LOOSE MIXED GRAVEL OF WELL CUTTINGS OF CHERT LIMESTONE AND CHALK 
FRAGMENTS WITH LARGE FORAMS ;D MODERATE DEFORMATION THROUGH CORE ;H HARD;Z 
00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :    94.84/   95.50
Hole:  99A  Depth to Top of Core(m)      :    94.00
Core:   8   Depth Top/Bottom Interval(mm):  840/1500
Sect:  1
 
Visual Text Description:
 NANNO OOZE ;C N8-LIGHT GRAY,N7-DARK GRAY,N5-MEDIUM GRAY,-DARK GREENISH 
GRAY ;S BEDDING,BED AT 84-100CM OF LIGHT GRAY MOTTLED WITH DARK GRAY AND 
SOFT,FIRMBED OF LIGHT GRAY AT 100-105,SOFT BED OF LIGHT GRAYAT 105-135 
WITH SPOT OF MEDIUM GRAY AT 127CM,FIRMDARK GREENISH GRAY LAYER AT 135-150 ;
D MODERATE DEFORMATION AT 84-100CM AND 105-135CM,LIGHT DEFORMATION135-140 ;
H SOFT;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :   131.02/  131.65
Hole:  99A  Depth to Top of Core(m)      :   131.00
Core:   9   Depth Top/Bottom Interval(mm):   20/ 650
Sect:  1
 
Visual Text Description:
 NANNO OOZE;C N8-LIGHT GRAY, N4-DARK GRAY,N7-LIGHTGRAY;S BEDDING, CLAY 
RICH BANDS AT 55-65CM;D LIGHTDEFORMATION;O WELL INDURATED FRAGMENT OF 
RECRYSTALLIZED NANNO OOZE AT 10-14CM;H SOFT;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :   138.60/  138.82
Hole:  99A  Depth to Top of Core(m)      :   131.00
Core:   9   Depth Top/Bottom Interval(mm):  100/ 320
Sect:  6
 
Visual Text Description:
 SCATTERED DRILL CUTTINGS ;H HARD;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :   138.82/  138.92
Hole:  99A  Depth to Top of Core(m)      :   131.00
Core:   9   Depth Top/Bottom Interval(mm):  320/ 420
Sect:  6
 
Visual Text Description:
 CALCILUTITE INDURATED NANNO OOZE ;C N7-LIGHT GRAY;M PYRITE,SILICA ;O 
ABUNDANT RAD MOLDS SOME COATED WITH PYR CRYSTALS OTHERS WITH PARTIAL 
FILLINGS OF SILCA,COMMON PYRITE SPECKS ;H HARD;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :   169.50/  171.00
Hole:  99A  Depth to Top of Core(m)      :   168.00
Core:  10   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 MIXED LOOSE GRAVEL OF WELL CUTTINGS OF LIMESTONECHALK FRAGMENTS AND LARGE 
FORAMS ;S GRAVEL ;D INTENSE DEFORMATION ;U PIECES OF METAL FROM DRILL PIPE 
AROUND 120CM ;O TWO LARGE CHERT FRAGMENTS COLORED BLACK AND YELLOW AT 
140-150CM ;H HARD;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :   200.05/  201.00
Hole:  99A  Depth to Top of Core(m)      :   198.00
Core:  11   Depth Top/Bottom Interval(mm):  550/1500
Sect:  2
 
Visual Text Description:
 LOOSE GRAVEL OF WELL CUTTINGS OF CHALK NANNO OOZEAND CHERT ;C N8-LIGHT 
GRAY ;S BEDS OF MORE PURE LITHOLOGYS,BEDS OF VERY LIGHT GRAY NANNO OOZE AT 
85-93CM AND 125-131CM,BEDS OF LIGHT GRAY CHALK PIECES AT 93-106CM AND 
110-120CM (WITH FINE LAMINATIONS),THE REST OF CORE IS MIXED GRAVEL ;D 
INTENSE DEFORMATION AT55-90CM,106-110CM AND 120-150CM ;H STIFF-HARD;Z 
00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :   201.00/  202.50
Hole:  99A  Depth to Top of Core(m)      :   198.00
Core:  11   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 LOOSE GRAVEL OF WELL CUTTINGS OF CHALK CALCITE CHIPS AND CHERT CHIPS ;S 
GRAVEL ;D INTENSE DEFORMATIONTHROUGHOUT;H HARD;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :   202.60/  202.60
Hole:  99A  Depth to Top of Core(m)      :   198.00
Core:  11   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 CALCILUTITE ;C N9-WHITE ;S NUMEROUS DARK LAMINAE ;O ONE SET OF LAMINAE 
APPEARS TO TRUNCATE THE OTHERSET,SURFACE IS CHALKY,COMPLETE PELECYPOD 
VALUE ON TOP OF FRAGMENT,NOTE: LAMINAE TRUNCATION IS A FAIRLYCOMMON 
PHENOMENON IN REMAINDER OF JURASSIC CORES ;H HARD;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :   235.10/  235.10
Hole:  99A  Depth to Top of Core(m)      :   235.00
Core:  12   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 LIMESTONE ;C -WHITE,-RED;S TWO PIECES OF LIMESTONE,FIRST ONE IS WHITE 
WITH RED CLAY BAND AT BOTTOM,SECOND ONE IS RED WITH LAMINATIONS OF WHITE ;
H HARD;L RED CLAY ;C 2.5YR4/4-RED ;H HARD;L CALCILUTITE ;C 10YR6/2-PALE 
RED,10YR5/4-PALE REDDISH BROWN,N8-VERY LIGHT GRAY,N9-WHITE,
5G6/1-GREENISH-GRAY ;S FOUR SEPARATE PIECES,TOP THREE PIECES ARERED,BOTTOM 
PIECE IS WHITE,IRREGULAR LAMINATION IN ALL PIECES ;H HARD;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :   239.60/  239.55
Hole:  99A  Depth to Top of Core(m)      :   238.00
Core:  13   Depth Top/Bottom Interval(mm):    0/  50
Sect: CC
 
Visual Text Description:
 CALCILUTITE ;C 10R6/2-RED,N9-WHITE ;S TWO PIECES OF CALCICUTITE,ABUNDANT 
WHITE LAMINATIONS NEAR TOP AND AT BOTTOM,LOWER PIECE HAS 15MM THICK 
IRREGULAR BED OF RED IN OTHERWISE TOTALLY WHITE PIECE;H HARD;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :   239.55/  239.60
Hole:  99A  Depth to Top of Core(m)      :   238.00
Core:  13   Depth Top/Bottom Interval(mm):   50/ 100
Sect: CC
 
Visual Text Description:
 CLAYEY LIMESTONE ;C 2.5YR4/4-RED,5YR8/1-PINKISH-GRAY;S THREE SEPARATE 
PIECES, TOP PIECE HAS WHITE LAMINATIONS AMOUNG RED LIMESTONE,BOTTOM TWO 
PIECES ARE PINKISH GRAY WITH RED CONTORTED BANDS AND LAMINATIONS ;H HARD;Z 
00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :   240.12/  240.50
Hole:  99A  Depth to Top of Core(m)      :   239.00
Core:  14   Depth Top/Bottom Interval(mm): 1120/1500
Sect:  1
 
Visual Text Description:
 LIMESTONE ;C N8-LIGHT GRAY,10R6/2-PALE RED,10R3/4-DARK REDDISH BROWN,
5G9/1-GREENISH WHITE,5YR7/1-BROWNISH GRAY,5GY7/1-LIGHT GREENISH GRAY,
N9-WHITE ;S INTENSE BEDDING,SEVEN DIFFERENT BEDS IN THIS CORE,BEDSONE TWO 
AND THREE AT 112-123CM ARE LIGHT GRAY WITHRED LAMINATIONS,BED FOUR AT 
124-127 IS CLAYEY COCCOLITH RICH FRIABLE LIMESTONE,BED FIVE AT 127-132CM 
ISGREENISH WHITE WITH LAMINATIONS,BED SIX AT 132-148CM IS LIGHT GREENISH 
GRAY WITH BROWN BANDS AND FINE WHITE LAMINATIONS,BED SEVEN AT 148-150CM IS 
DARK REDDISH BROWN CLAYEY COCCOLITH RICH LIMESTONE ;H HARD;Z 00000000 
 
 
Leg : 11    Depth Top/Bottom of Layer(m) :   240.62/  242.00
Hole:  99A  Depth to Top of Core(m)      :   239.00
Core:  14   Depth Top/Bottom Interval(mm):  120/1500
Sect:  2
 
Visual Text Description:
 LIMESTONE ;C N9,5YR8/1,5YR7/1,2.5YR4/2,N5,5G7/1,N6,N7,N4,N8,5G6/1,N3 ;S 
THIRTY-ONE SEPARATE BEDS,BEDONE AT 12-17CM WHITE WITH BANDS OF RED CLAY 
MARL,BED TWO AT 17-20CM RED CLAY MARL WITH DARK GRAY CARBONACEOUS MARL AT 
BOTTOM,BED THREE AND FOUR AT 22-26CM OF DARK GRAY CARBONACEOUS MARL AT TOP 
WITH LIGHT GREEN MARL AT BOTTOM,BED FIVE AT 29-30CM GRAY LAMINATED CHALK,
BED SIX AT 30-31CM IS GRAY CHALK WITH PARKMARLY BANDS,BED SEVEN AT 31-35CM 
IS GRAY LIMESTONE,BED EIGHT AT 35-40CM IS LIGHT GRAY MOTTLED WITH LIGHT 
GRAYISH GREEN,BED NINE AT 42-46CM IS RED CLAYEY MARL AT TOP WITH WHITE 
LIMESTONE WHITE CLASTS AND GRAY MARL AT BOTTOM,BED TEN AT 46-50CM IS RED 
CLAYEY MARL TOP WITH LIGHT GREENISH GRAY LIMESTONE BOTTOM,BEDELEVEN AT 
50-53CM IS GRAY LIMESTONE,BED TWELVE AT 53-56CM IS GRAY LIMESTONE,BED 
THIRTEEN AT 56-60CM IS LIGHT GREENISH GRAY LIMESTONE,BEDS 
FOURTEEN-TWENTYAT 60-85CM ARE SHADES OF GRAY FAINTLY LAMINATED LIMESTONE,
BED TWENTY-ONE AT 85-90 IS GRAY CHERT,BEDS TWENTY-TWO-AND THREE AT 
90-100CM ARE LIGHT GRAY WITH PALE RED AT BOTTOM,BED TWENTY-FOUR AT 
100-105CM IS GRAY WITH LIGHT GREENISH GRAY LAMINATIONS,BED TWENTY-FIVE AT 
105-112 IS GREENISH GRAY WITH LIGHTER AND DARKER LAMINATIONS,BED 
TWENTY-SIX AT 112-117 IS LIGHT GRAY TOP WITH CARBONACEOUS DARKER MARL AT 
BOTTOM,BEDSTWENTY-SEVEN THROUGH TWENTY THIRTY IS LIGHT GRAY WITH DARKER 
LAMINATIONS,BED THIRTY-ONE AT 145-150CM ISLIGHT GREENISH GRAY WITH DARKER 
AND LIGHTER LAMINATIONS ;H HARD;Z 12131210.3311 
 
 
    

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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