skip navigation link

NOAA/NGDC

WDC MGG Seafloor Series Vol I

Core Data from the Deep Sea Drilling Project


Leg :  1    Depth Top/Bottom of Layer(m) :    40.80/   42.30
Hole:   6   Depth to Top of Core(m)      :    40.80
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  1
 
Visual Text Description:
 CLAY; C 10YR4/2,10YR7/3, 10YR3/1,-DARK BROWN, -LIGHT TAN,-VERY DARK BROWN,
 -BLACK ; S MODERATELY BURROWED,SOME VERY CRUDE VAGUE BANDING; O BURROWS 
GENERALLY FILLED WITH LIGHT TAN LUTITE, SMALLER FECAL APPEARING BORINGS 
VERY DARK BROWN TO BLACK; H SLIGHTLY STIFF;Z 33211000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :    42.30/   43.80
Hole:   6   Depth to Top of Core(m)      :    40.80
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 MUD; C 10YR4/2, 10YR5/3,10YR7/4, -CREAM COLOR, -BLACK; S LARGE (0.5-2.0 
CM DIAMETER) CREAM COLORED MOTTLING-PROBABLY LARGE IRREGULAR BURROWS; U 
PATCHES OF SMALL BLACK SPECKS;H STIFF;Z 33213000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :    43.80/   45.30
Hole:   6   Depth to Top of Core(m)      :    40.80
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 SILTY CLAY;C 10YR4/2,10YR5/3, 10YR7/48-DARK BROWN,-BLACK; S MODERATELY 
BURROWED, ON SMALLER SCALE HIGHLY MOTTLED ZONES WITH BLACK/BROWN(FAECAL) 
MATERIAL FILLING BURROW/BORING CONFIGURATION; H SOMEWHAT STIFF;Z 33213000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :    45.30/   45.91
Hole:   6   Depth to Top of Core(m)      :    40.80
Core:   1   Depth Top/Bottom Interval(mm):   00/ 610
Sect:  4
 
Visual Text Description:
 MUD;C 10YR4/2,10YR7/4,-TAN,-BROWN; S FAINT DARK STREAKS IN LOWER HALF OF 
APPARENTLY HORIZONTAL BEDDING, BURROWED TAN STREAKS AND BLOTCHES; O MORE 
BEDDINGAPPARENT THAN IN HIGHER PARTS OF CORE;H STIFF;Z 00000000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   152.10/  153.60
Hole:   6   Depth to Top of Core(m)      :   152.10
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  1
 
Visual Text Description:
 CLAY; C 5Y5/3,5G6/1,10GY6/2,-LIGHT BROWN; S MOTTLED MASSIVE CLAY WITH 
CLAY CLASTS DISTRIBUTED MORE ORLESS THROUGHOUT;O ANGULARITY AND IN SOME 
CASES VERYSMALL SIZE OF CLASTS INDICATE THAT THEY WERE STIFF BEFORE 
TRANSPORT(AS IN A MUDFLOW)-SMEAR SHOWS RAD/DIAT CONCENTRATION IN LARGE 
CLAST AT 9 CM BACKING INTERPRETATION OF MUDFLOW OR AT LEAST MOVEMENT AS A 
CLAST;H FIRM;Z 00000000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   153.60/  155.10
Hole:   6   Depth to Top of Core(m)      :   152.10
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 MUDSTONE; C 5Y5/3,5G6/1,-OLIVE GREEN,-PALE BLUISHGREEN; S PALE BLUISH 
GREEN MOTTLES, UPPER SECTION CONTAINS GHOSTLY OUTLINES OF GLOSSIER AND 
SLIGHTLY DARKER CLASTS FROM LESS THAN 0.5 CM TO GREATER THAN 2.0 CM THAT 
MAY REPRESENT INTRAFORMATIONAL CLASTS; O UNIFORM THROUGHOUT EXCEPT FOR 
MOTTLES;Z 00000000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   155.10/  156.60
Hole:   6   Depth to Top of Core(m)      :   152.10
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 MUDSTONE; C 5Y5/3,5G6/1,-OLIVE GREEN; O EXACTLY ASIN PREVIOUS SECTION;Z 
00000000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   156.60/  158.10
Hole:   6   Depth to Top of Core(m)      :   152.10
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 MUDSTONE; C 5Y5/3,5G6/1,-OLIVE GREEN; S VERY VERYSLIGHT MOTTLING 
THROUGHOUT; O EXACTLY AS IN PREVIOUS SECTIONS;Z 00000000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   158.10/  159.60
Hole:   6   Depth to Top of Core(m)      :   152.10
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  5
 
Visual Text Description:
 CLAY; C 5Y5/3, 5G6/1,-LIGHT BROWN; S MASSIVE, MOTTLED; D APPEARS 
PLASTICALLY DEFORMED; O MUDCLASTS NOT OBVIOUS,INTERPRETATION: MUDFLOW;H 
FIRM;Z 00000000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   159.60/  160.30
Hole:   6   Depth to Top of Core(m)      :   152.10
Core:   2   Depth Top/Bottom Interval(mm):   00/ 700
Sect:  6
 
Visual Text Description:
 CLAY; C 5Y5/3,5G6/1,-OLIVE GREEN; S MOTTLING SLIGHT THROUGHOUT- MORE IN 
UPPER AND LOWER THIRD;O AS INPRECEEDING AND SUCCEEDING SECTIONS;H FIRM;Z 
33211000.3450 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   161.10/  161.36
Hole:   6   Depth to Top of Core(m)      :   152.10
Core:   2   Depth Top/Bottom Interval(mm):   00/ 260
Sect:  7
 
Visual Text Description:
 MUDSTONE; C 5Y5/3,5G6/1,-OLIVE GREEN; S VERY SLIGHT MOTTLING THROUGHOUT;O 
EXACTLY AS IN PREVIOUS SECTIONS;Z 33233000.3450 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   190.61/  190.86
Hole:   6   Depth to Top of Core(m)      :   190.50
Core:   3   Depth Top/Bottom Interval(mm):  110/ 360
Sect:  1
 
Visual Text Description:
 PEBBLY MUD; C 10G5/2,5YR5/1,10G6/2,-LIGHT GREEN,-GRAY BROWN; S CLASTS IN 
WATERY MATRIX, OCCASIONAL GRAY-BROWN PEBBLE OF DIFFERENT COMPOSITION; D 
MATRIX OFMUD MAY HAVE BEEN DISTURBED DURING CORING; P COCCOLITHS, DIATOMS; 
O CLASTS ARE SEMI-CONSOLIDATED MUD OFESSENTIALLY THE SAME COMPOSITION AS 
WATERY MATRIX,PEBBLES ARE COCCOLITH-RICH DIATOM OOZE;Z 33233000.3450 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   192.00/  192.60
Hole:   6   Depth to Top of Core(m)      :   190.50
Core:   3   Depth Top/Bottom Interval(mm):   00/ 600
Sect:  2
 
Visual Text Description:
 PEBBLY MUD;C 10G5/2,10G6/2,5YR5/1,-LIGHT GREEN,-GRAY BROWN; S MUDCLASTS 5 
TO 50 MM, OCCASIONAL GRAY/BROWN PEBBLE OF DIFFERENT COMPOSITION;P 
COCCOLITHS, DIATOMS; O PEBBLES OF COCCOLITH-RICH DIATOM OOZE, SEE 
DESCRIPTION OF CORE 3 SECTION 1;H UNCONSOLIDATED;Z 00000000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   193.50/  195.00
Hole:   6   Depth to Top of Core(m)      :   190.50
Core:   3   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 PEBBLY MUD; C 10G5/2,1/G6/2; S MUD CLASTS 5-20 MMIN WATERY MATRIX IN 
UPPER 44CM WHILE REMAINDER HAS CLASTS 5-50 MM OR GREATER IN MORE COHERENT 
MATRIX;Z 00000000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   195.00/  196.50
Hole:   6   Depth to Top of Core(m)      :   190.50
Core:   3   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 PELAGIC OOZE; C 10G6/2,10G8/2,5Y5/2,1/G7/2,10G5/2;S SILICIOUS-PARTICLE 
RICH TURBIDITES AND LAMINATES,MUDCLAST INCORPORATION DOMINANT IN UPPER 
SECTION ONLY,HORIZONTAL LAMINATED 55-64 CM 88-110 CM 127-134.5CM,MOTTLED 
0-55 CM 64-88 CM 110-127 CM 134.5-150 CM;D POSSIBLY PLASTICALLY DEFORMED 
0-35 CM; U DARK SPLOTCHES IN LOWER 10 CM; O COLOR DISTRIBUTION: 10G6/2 
0-15 CM 32-55 CM 134.5-141 CM--10G8/2 15-55 CM--5Y5/2 55-64 CM--10G7/2 
64-110 CM 114-134.5 CM 143-150 CM--10G5/2 110-114 CM 141-143 CM, 
INTERCALATED LIGHT GREEN TO DARK GREEN RESEDIMENTED PELAGIC OOZE;Z 
11110000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   229.20/  230.70
Hole:   6   Depth to Top of Core(m)      :   229.20
Core:   4   Depth Top/Bottom Interval(mm):   00/1500
Sect:  1
 
Visual Text Description:
 PELAGIC OOZE; C 5GY6/1,5GY8/1,10Y6/2,5GY5/1,5B5/1,-OLIVE GREEN,-LIGHT 
GREEN,-DARK GREEN; S INTERCALATED MASSIVE OLIVE GREEN GRADED BEDS WHICH 
GRADE UP INTO LIGHT TO DARK GREEN MORE BURROWED PELAGIC OOZE, SLIGHT 
MOTTLING 0-11 CM 28-94 CM 122-150 CM,MODERATE MOTTLING 11-28 CM 102-122 CM,
 GREAT MOTTLING 94-102 CM, SHARP BASAL CONTACTS AT 11-28-94-124 CM, 
TURBIDITE SEQUENCE 125-150 CM(UPPER PART); P COCCOLITHS, DIATOMS; O 
DIATOM-COCCOLITH OOZE REFERRED TO AS "PELAGITE" OCCURS 11-28 CM 94-122 CM, 
COLOR DISTRIBUTION:5GY6/1 0-11CM 28-94 CM 124-150 CM--5G8/1 11-28 CM 
102-122 CM--10Y6/2 28 CM 122-124 CM-- 5G5/1 AND 5B5/194-102 CM, MIDDLE 
UNIT WOULD MORE NEARLY BE CLASSEDAS A "LAMINATE" RATHER THAN TURBIDITE 
ALTHOUGH IN EITHER CASE IT IS A MATTER OF INTERPRETED TURBIDITY CURRENT 
TRANSPORT OF PELAGIC DEBRIS;Z 11110000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   230.70/  232.20
Hole:   6   Depth to Top of Core(m)      :   229.20
Core:   4   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 PELAGITE(OOZE); C 5G6/1,5G5/1,5G8/1, 10Y6/2, -OLIVE GREEN, -LIGHT GREEN 
GRAY, -DARK GREEN GRAY; S GRADED AND HORIZONTALLY LAMINATED TURBIDITES 
GRADING UPWARD INTO HIGHLY MOTTLED LIGHT GREEN GRAY TO DARK GREEN GRAY 
PELAGITE, MOTTLING 56-78 CM 81-118 CM, SHARP BASAL CONTACT AT 56 CM; O 
SOME DISTORTION OF PELAGITE BOUNDARIES COULD BE EITHER DUE TO DEFORMATION 
OFBURROW BOUNDARIES OR POSSIBLY INTERMITTANT SCOUR, COLOR DISTRIBUTION: 
5G6/1 0-56 CM 81-150 CM--5G5/1 56-59 CM--5G8/1 59-78 CM--10Y6/2 78-81 CM;Z 
11110000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   232.20/  233.35
Hole:   6   Depth to Top of Core(m)      :   229.20
Core:   4   Depth Top/Bottom Interval(mm):   00/1150
Sect:  3
 
Visual Text Description:
 FINE SAND, SILTY SAND; C 5GY6/1,5GY5/1, 5B5/1,5G5/1,5G8/1,5G7/1,5Y4/1,
-LIGHT GREENISH GRAY, -DARK GREEN; S LIGHT GREENISH GRAY GRADED 
HORIZONTALLY LAMINATED FINE SAND GRADING UP TO VERY FINE SAND AND 
SILTYSAND INTO SECTION 2 ABOVE, TURBIDITE OVERLIES SHARPLY A DARK GREEN 
BURROWED PELAGITE ZONE WHICH GRADES DOWN INTO INTERCALATED GREENISH WHITE 
CALALUTITE-A ZONE OF DARK GREEN CLAY CLASTS AND MORE DARK GREEN PELAGITE 
AT BASE OF CORE, MOTTLING INTERVALS 67.5-71 CM 108-115 CM; O OVERALL 
THICKNESS OF TURBIDITE APPROX 1.5 METERS, COLOR DISTRIBUTION: 5GY6/1 0-55 
CM--5GY5/1 55-61--5B5/1 AND 5G5/1 67.5-71CM--5G8/1 71-87.5CM--5G7/1 
87.5-91CM 112-115CM--5G5/1 91-112CM;H SOFT;Z 33214000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   246.60/  246.84
Hole:   6   Depth to Top of Core(m)      :   246.60
Core:   5   Depth Top/Bottom Interval(mm):   00/ 240
Sect:  1
 
Visual Text Description:
 DIATOM OOZE; C 5Y5/1, 5G6/1,-DARK GREEN; S CHERT BED 0-3 CM, SLIGHT 
BURROWING;O CHERT COLOR 5Y5/1;Z 21112220 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   246.84/  247.25
Hole:   6   Depth to Top of Core(m)      :   246.60
Core:   5   Depth Top/Bottom Interval(mm):  240/ 650
Sect:  1
 
Visual Text Description:
 CHALK; C 5G8/1-GREENISH WHITE; S BURROWING SLIGHTTO MODERATE; O ALSO 
CALLED CALCISILTITE;Z 00000000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   248.10/  249.60
Hole:   6   Depth to Top of Core(m)      :   246.60
Core:   5   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 DIATOM CLAY; C 5G8/1, 5GY6/1, 5GY8/1,-GREEN; S MODERATELY WELL LAMINATED 
0-23 CM, MOTTLED SLIGHTLY THROUGHOUT, CONCRETIONARY MASSES OF SOMEWHAT 
SIMILAR COMPOSITION TO MATRIX APPEAR 68-103 CM, GRADATIONAL CONTACT AT 23 
CM; O CONCRETIONS COLORED 5GY8/1, COCCO-DIATOM CLAY GREEN COLORED;H FIRM;Z 
00000000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   249.00/  250.18
Hole:   6   Depth to Top of Core(m)      :   249.00
Core:   6   Depth Top/Bottom Interval(mm):   00/1185
Sect:  1
 
Visual Text Description:
 SILTY SAND, TURBIDITE SEQUENCE; C 5GY6/1, 5B5/1,-LIGHT GREEN; S TURBIDITE 
SEQUENCE VERY THICK,HORIZONTALLY LAMINATED, GRADED BEDDING FROM SILTY FINE 
TO VERY FINE SAND DOWN TO SLIGHTLY SILTY MEDIUM GRAINED SAND, MULTI-GRADED 
WITH COARSEST AT BASE, MUD CLASTS50-54 CM 76-80 CM 100-118.5 CM; O LAMINAE 
 COLORED 5B5/1, TOP OF TURBIDITE NOT OBSERVED;H SOFT;Z 00000000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   250.18/  250.50
Hole:   6   Depth to Top of Core(m)      :   249.00
Core:   6   Depth Top/Bottom Interval(mm): 1185/1500
Sect:  1
 
Visual Text Description:
 PELAGITE; C 5B8/1,5G6/1,5GY6/1,5G5/1; S SLIGHT MOTTLING THROUGHOUT, CHERT 
(CALCAREOUS ARENITE) ANGULAR FRAGMENT AT 132 CM, PELAGITE INTERCALATED 
WITH LAMINATES; U ANGULAR CHERT FRAGMENT AT 132 CM; O COLOR DISTRIBUTION: 
5B8/1 118.5-133 CM--5G6/1 133-141 CM--5GY6/1 141-148 CM--5G5/1 148-150 CM;
H HARD;Z 11110000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   250.50/  250.93
Hole:   6   Depth to Top of Core(m)      :   249.00
Core:   6   Depth Top/Bottom Interval(mm):   00/ 430
Sect:  2
 
Visual Text Description:
 LAMINATES, PELAGITES; C 5G5/1,5G7/1,5G8/1,5G7/1,-LIGHT GREEN,-DARK GREEN; 
S SLIGHT MOTTLING, SHARP BASAL CONTACT AT 7CM, CHERT FRAG AT 43CM, 
CONCRETIONARY MASSES 30-42CM;U CHERT FRAGMENT AT 43CM;H HARD;Z 11110000 
 
 
Leg :  1    Depth Top/Bottom of Layer(m) :   252.00/  252.60
Hole:   6   Depth to Top of Core(m)      :   249.00
Core:   6   Depth Top/Bottom Interval(mm):   00/ 600
Sect:  3
 
Visual Text Description:
 TURBIDITE SEQUENCES; C 5G7/1-PALE GRAY, 5G5/1-BLUE GREEN, 5GY5/1-OLIVE,
5GY6/1-PALE OLIVE; S INTERBEDDED TURBIDITES, BASAL 2 CM VERY HARD 
SILICIFIED FINELY BEDDED SILTSTONE, MODERATE BURROWING 15-20 CM 48-51 CM 
30-38 CM, FINE AND VERY REGULAR LAYERING 15/20 CM; O COLOR DISTRIBUTION: 
PALE GRAY 0-15 CM 20-38 CM51-52.5 CM--BLUE GREEN 15-20 CM 48-51 CM--OLIVE 
38-48 CM 53.5-60 CM--LIGHT OLIVE 52.5-53.5 CM;H SOFT;Z 33239000 
 
 
    

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.