NOAA/NGDC/WDC for MGG, Boulder-Core Data from the Deep Sea Drilling Project (DSDP)

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Core Data from the Deep Sea Drilling Project

Leg :  4    Depth Top/Bottom of Layer(m) :    69.50/   71.00
Hole:  28   Depth to Top of Core(m)      :    68.00
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 CLAY;C 10YR6/3,10YR6.5/3,10YR2/1,7.5YR6/4,10YR6/2,5Y2/1;S GREATLY MOTTLED 
WITH 10YR2/1 TO 7.5YR6/4,LAYERING OF 7.5YR5/2 AND 5GY6/1 FROM 25-50 AND 
84-90 AND 121-123 CM IS ARTIFICIALLY DOMED UPWARD;D LAYERSARTIFICIALLY 
DOMED UPWARD;H SOFT;Z 33211000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :    71.00/   72.50
Hole:  28   Depth to Top of Core(m)      :    68.00
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 DEEP SEA CLAY;C 2.5Y6/3,5G7/1,2.5Y4.5/2,5G5/1,5GY8/1,10YR5.5/3,5Y2/1;S 
MOTTLED THROUGHOUT AND STRONGLY AT 0-30 AND 45-54 CM WITH 2.5Y6/3 TO 
10YR5.5/3 TO5Y2/1 TO 2.5Y6/3,PROBABLY MUCH OF THE MOTTLING WASFORMER 
LAYERING,IRREGULAR COLOR ZONES;D ENTIRE SECTION DRAMITICALLY DISTURBED;H 
STIFF,FAIRLY FIRM;Z 00000000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :    72.50/   74.00
Hole:  28   Depth to Top of Core(m)      :    68.00
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 CLAY;C 10YR6/4,10YR5/2 TO 10YR4/2,10YR6/3,10YR3/1,10YR5/3,5GY6/1;S GREAT 
MOTTLING,ENTIRE SECTION CLOSELY LAYERED PRIOR TO CORING;D DEFORMED 0-65 CM;
H STIFF,FIRM;Z 00000000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :    74.10/   74.10
Hole:  28   Depth to Top of Core(m)      :    68.00
Core:   2   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 CLAY;C 5G6/1,5G4/1,N9,5YR4/1;D MIXED UP MATERIALIN THE CENTER BIT PIPE 
FROM THE DRILL INTERVAL 253TO 553 FEET BELOW SEA FLOOR;U WHITE SMALL 
FRAGMENTSOR CHIPS OF CHALK LIKE SOFT MATERIAL (HIGH UPPER EOCENE);O 
CONSISTS OF 3 OBVIOUS LITHOLOGIES INCLUDINGGREEN CRUMBLY CLAY (LOW UPPER 
EOCENE) AND CHALK LIKE FRAGMENTS AND REDDISH BROWN TO BROWNISH GRAY 
SOFTCLAY (PLEISTOCENE UP TO OLIGOCENE),FROM BIT ONLY;H SOME SOFT CHALK AND 
CLAY;Z 00000000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   169.00/  169.75
Hole:  28   Depth to Top of Core(m)      :   169.00
Core:   3   Depth Top/Bottom Interval(mm):   00/ 750
Sect:  0
 
Visual Text Description:
 CALCAREOUS CLAY;C 5G7/2,5GY5/2 TO 5G6/1,N8;S MOTTLING OF 5GY5/2 TO 5G6/1 
AND N8 AT 0-12 AND 24-55 CM;D COMPLETELY DISTURBED;O 0-55 CM CONSISTS OF 
DIFFERENT CLAY PIECES FROM SOMEWHERE UP IN THE HOLE AND MIXED TOGETHER;H 
STIFF,FIRM;Z 33211000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   169.77/  170.34
Hole:  28   Depth to Top of Core(m)      :   169.00
Core:   3   Depth Top/Bottom Interval(mm):   00/ 570
Sect:  1
 
Visual Text Description:
 CLAY;C 5G7/1,5G4/1,5GY2/1;D DIAPIRICALLY DISTURBED;U TWO BLEBS OF 
GREENISH GRAY CLAY ON OPPOSITE SIDES AT 33 AND 50 CM INDICATE SOME 
DISTURBANCE;O HOMOGENOUS;H SOFT;Z 33211000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   170.46/  170.58
Hole:  28   Depth to Top of Core(m)      :   169.00
Core:   3   Depth Top/Bottom Interval(mm):  690/ 810
Sect:  1
 
Visual Text Description:
 LIMEY CHERT;O 3 ROCKS ABOUT 10 MM IN SIZE,VOID 70-80 CM;Z 21130000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   171.27/  172.77
Hole:  28   Depth to Top of Core(m)      :   169.00
Core:   3   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 CLAYEY SILT;C 5G6/1,5Y5/2;S MODERATELY MOTTLED WITH 5Y5/2;D PROBABLY 
SLIGHTLY DISTURBED;H STIFF;Z 00000000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   172.77/  174.17
Hole:  28   Depth to Top of Core(m)      :   169.00
Core:   3   Depth Top/Bottom Interval(mm):   00/1400
Sect:  3
 
Visual Text Description:
 CLAY SILT;C 5GY5/1 TO 5GY6/1;S COMPLETELY DISTURBED MATERIAL VERY SOFT AT 
103-110 CM PROBABLY SQUEEZED INTO A FRACTURE WITHIN HARDER CORE MATERIAL 
(I.E. ALLOCHTHONOUS);D DISTURBED 103-110 CM,DISTURBANCE NOT VISIBLE 0-103 
AND 110-140 CM;D RATHER UNIFORM COMPOSITION;H STIFF,FIRM;Z 00000000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   174.27/  175.71
Hole:  28   Depth to Top of Core(m)      :   169.00
Core:   3   Depth Top/Bottom Interval(mm):   00/1440
Sect:  4
 
Visual Text Description:
 CLAY;C 5Y5/2,5B5/1,5GY6/1 ,5G6/1,5G7/1;S GREAT MOTTLING OF 5B5/1 AT 10-20 
CM AND OF 5GY6/1 AT 60-90 CM AND 5Y6/1 AND 5G6/1 FROM 20 TO 60 CM;D LITTLE 
DEFORMATION 0-20 CM,MUCH IRREGULAR DEFORMATION 20-90 CM,NO VISIBLE 
DEFORMATION 90-144 CM;P CALCAREOUS 0-20AND 90-144 CM;O OCCASIONAL FEW 
PATCHES (1-3 MM) OFLIGHT FINE SANDY MATERIAL 20-90 CM;H STIFF,FIRM;Z 
00000000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   175.77/  177.02
Hole:  28   Depth to Top of Core(m)      :   169.00
Core:   3   Depth Top/Bottom Interval(mm):   00/1250
Sect:  5
 
Visual Text Description:
 BENTONITIC CLAY;C 5G6/1;D NOT DISTURBED;P CALCAREOUS;O HOMOGENOUS;H HARD;
Z 00000000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   177.27/  178.71
Hole:  28   Depth to Top of Core(m)      :   169.00
Core:   3   Depth Top/Bottom Interval(mm):   00/1440
Sect:  6
 
Visual Text Description:
 CALCAREOUS CLAY;C 5G6/1,N3,5GY6/1;S MOTTLED WITHN3 (40-100 CM) AND 5G6/1 
(110-121 CM);D MODERATELYDISTURBED;H STIFF;Z 00000000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   177.60/  177.60
Hole:  28   Depth to Top of Core(m)      :   176.00
Core:   4   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 SILTY CALCAREOUS CLAY;C 5G8/1 TO 5G6/1-LIGHT GREENISH GRAY;S NO OBVIOUS 
LAYERING OR MOTTLING;H HARD;L CLAY;C 5G4/1-GREENISH GRAY,N9-WHITE;U 5% 
WHITE CHALKY CHIPS;P CALCAREOUS;O CONSISTS OF ONE PLASTIC CONTAINER OF 
MATERIAL FROM CATCHER BIT AND BARREL FROMDRILL INTERVAL 608 FEET TO 774 
FEET BELOW SEA FLOOR;Z 00000000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   236.10/  236.10
Hole:  28   Depth to Top of Core(m)      :   236.00
Core:   5   Depth Top/Bottom Interval(mm):    0/ 100
Sect: CC
 
Visual Text Description:
 GRANULAR SILT-CLAYEY CHALKY HIGHLY CALCAREOUS (NON SKELETAL) SEDIMENT;C 
-WHITE;O 500 GRAMS OF MATERIAL ONLY IN SECTION;H SOFT;Z 00000000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   236.11/  236.20
Hole:  28   Depth to Top of Core(m)      :   236.00
Core:   5   Depth Top/Bottom Interval(mm):  110/ 200
Sect: CC
 
Visual Text Description:
 CLAY;C -REDDISH BROWN,-BLACK,-DARK GRAY,-HALKY OR CALCAREOUS BEDS,SOME 
CHONDROIDAL FRACTURELESS THAN 5%;M ARGILLITE TERM APPLICABLE TO SILICEOUS 
CHERT LIKE MATERIAL;O SOFT MATERIAL AND GRINDINGSOF 3 LITHOLOGIES WHITE 
CHALKY FRAGMENTS HIGHLY CALCAREOUS ABOUT 15% AND GREYISH GREEN CLAY 
MATERIAL WHICH IS SILTY AND CONTAINS CALCIUM CARBONATE WHICH MAYBE FROM 
GRINDINGS OF CHALKY OR CALCAREOUS BEDS - ABOUT 80-85% AND REDDISH BROWN TO 
BLACK AND DARK GRAYNON-CALCAREOUS SILICEOUS CHERT LIKE MATERIAL 
WITHCHONDROIDAL FRACTURE;H SOFT;Z 00000000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   280.60/  280.60
Hole:  28   Depth to Top of Core(m)      :   279.00
Core:   7   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 GRAY;C 5GY8/1-LIGHT GREENISH GRAY TO 5G8/1,-REDDISH BROWN;D REDDISH BROWN 
MATERIAL ADMIXED WITH SOMEOF CORE IS A PRODUCT OF DRILLING;U NUMEROUS 
CHIPS OF REDDISH BROWN ARGILLITE MATERIAL;M ARGILLITE;P HIGHLY CALCAREOUS;
H SOFT;Z 00000000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   345.10/  345.10
Hole:  28   Depth to Top of Core(m)      :   345.00
Core:   8   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 CLAYSTONE AND CHALK WITH MUD;C 10R5/2,5G7/1,10G7/2,5YR6/4,5YR7/4-LIGHT 
BROWN,5B5/1-MEDIUM BLUE GRAY,5YR7/2,5YR3/4-BROWN,10YR5/2-YELLOW BROWN;S 
GRADING AND MOTTLING,CONCOIDAL FRACTURES,IRREGULAR DARK BROWNBANDS,MASSIVE 
ZONES,WHITE STREAK;P SOME RADIOLARIAAND MICROFOSSILS;O ROCK FRAGMENTS ARE 
OF FOLLOWINGLITHOLOGIES- WHITE CHALK (MASSIVE,SUGARY TEXTURE IN FINE SAND 
GRADE,FIRM BUT FRIABLE,HIGH HCL EFFERVESCENCE,ABOUT 50 GRAMS),WHITE 
CALCAREOUS CLAY (MASSIVE,SOAPY TEXTURE,SOFT,HIGH HCL EFFERVESCENCE,ABOUT 
20GRAMS),GRAY RED RADIOLARIAN ARGILLITE (DENSE,HARD,WHITE STREAK,RICH RADS 
AND MICROFOSSILS,NO EFFERVESCENCE,CONCOIDAL FRACTURE,GRAY GREEN STREAKS,
ABOUT 30 GRAMS),BANDED CHALKY CLAYSTONE (PALE GREEN WITH GREENCLAY STREAKS 
AND WITH CALCAREOUS CLAY,NONE TO MODERATE EFFERVESCENCE,SOFT TO FIRM),
CLAYSTONES (SOME WITH EFFERVESCENCE,BLUE GRAY,SOME WITH SAND GRADE RADS,
MASSIVE,FIRM,DENSE,EASILY FRIABLE);H FIRM TO SOFT;Z 33213000 
 
 
Leg :  4    Depth Top/Bottom of Layer(m) :   399.10/  399.10
Hole:  28   Depth to Top of Core(m)      :   399.00
Core:   9   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 SLIGHTLY SILTY CLAY;C 5G5/2-GRAYISH GREEN TO 10G6/2;M SOME FINE GRAINED 
PYRITE (UP TO 5%);P NON-CALCAREOUS,NON-FOSSILIFEROUS;O WAXY LUSTER,SAMPLE 
CONSISTS OF ABOUT 30 CC OF MATERIAL OF CORE CATCHER ONLY;H SOFT;Z 33213000
intro areas data types legs holes documentation codes
These Web pages are from the Core Data from the Deep Sea Drilling Project Legs 1-96 CD-ROM produced 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, and collocated World Data Center for Marine Geology and Geophysics, Boulder. Data were compiled in cooperation with the U.S. Science Support Program, the Joint Oceanographic Institutions, Inc., and the U.S. National Science Foundation. Please see the NGDC privacy, disclaimer, and copyright notices.
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Website of the US Dept of Commerce/NOAA/NESDIS/NGDC, last update November 6, 2008