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NOAA/NGDC

WDC MGG Seafloor Series Vol I

Core Data from the Deep Sea Drilling Project


Leg :  2    Depth Top/Bottom of Layer(m) :   678.60/  679.05
Hole:   9A  Depth to Top of Core(m)      :   678.60
Core:   1   Depth Top/Bottom Interval(mm):   00/ 450
Sect:  1
 
Visual Text Description:
 SILTY ZEOLITE CLAY;C 10YR2/2-DUSKY YELLOWISH BROWN,10YR6/4-ORANGE BROWN;S 
SLIGHT ORANGE BROWN MOTTLING AT 13 AND 34 CM DUE TO SEDIMENT MIXING;O CORE 
HASSHALE LIKE FISSILITY IN PART OR ALL DUE TO CORINGPRESSURE;D INTENSE 
DEFORMATION;H SOFT;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   683.89/  684.20
Hole:   9A  Depth to Top of Core(m)      :   678.60
Core:   1   Depth Top/Bottom Interval(mm):  790/1100
Sect:  4
 
Visual Text Description:
 ZEOLITIC RAD CLAY;C 10YR4/2-DARK YELLOWISH BROWN;D HIGHLY 
BRECCIATED-IMPOSSIBLE TO DETERMINE TEXTURALFEATURES;H FIRM;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   684.20/  684.60
Hole:   9A  Depth to Top of Core(m)      :   678.60
Core:   1   Depth Top/Bottom Interval(mm): 1100/1500
Sect:  4
 
Visual Text Description:
 ZEOLITE CLAYEY SILT;C 10YR4/2-DARK YELLOWISH BROWN;S INDURATED MOTTLED 
DUSKY BROWN LAYER? OF SILTSTONE? FOUND AT 145-148 CM AND MAY HAVE COME 
FROM ANYWHERE;D HIGHLY BRECCIATED-IMPOSSIBLE TO DETERMINE TEXTURAL 
FEATURES;H FIRM;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   684.60/  685.28
Hole:   9A  Depth to Top of Core(m)      :   678.60
Core:   1   Depth Top/Bottom Interval(mm):   00/ 680
Sect:  5
 
Visual Text Description:
 ZEOLITE CLAYEY SILT;C 7.5YR3/2-DARK BROWN,7.5YR5/4-BROWN,5YR5/6-LIGHT 
BROWN,5Y5/2-LIGHT OLIVE GRAY,5Y7/2-YELLOWISH GRAY;S GREAT BROWN MOTTLES 
THROUGHOUT;U MANY 5-20 MM BROWN AND GRAY ROCKS THROUGHOUT;O SECTION WAS 
EXTRUDED FROM THE LINER WHILE LATTER STILLIN THE CORE BARREL,MATERIAL IN 
LINER CONSISTS OF MANY FRAGMENTS OF CORE AND THEIR RELATIVE POSITION 
ISONLY APPROXIMATELY THAT OF THEIR TRUE STRATIGRAPHICARRANGEMENT;H FIRM;Z 
31210000.3350.3450 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   686.10/  686.45
Hole:   9A  Depth to Top of Core(m)      :   678.60
Core:   1   Depth Top/Bottom Interval(mm):   00/ 350
Sect:  6
 
Visual Text Description:
 RADIOLARIAN OOZE;C 10YR2/2-DUSKY YELLOWISH BROWN,5GY7/2-GRAYISH YELLOW 
GREEN,5YR6/4-LIGHT BROWN;S YELLOW GREEN MODERATE MOTTLING SCATTERED 
THROUGHOUT;D INTENSE DEFORMATION;O FROM YELLOW GREEN PORTION;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   686.45/  687.02
Hole:   9A  Depth to Top of Core(m)      :   678.60
Core:   1   Depth Top/Bottom Interval(mm):  350/ 920
Sect:  6
 
Visual Text Description:
 ZEOLITE CLAYEY SILT;C 10YR2/2-DUSKY YELLOWISH BROWN,5YR6/4-LIGHT BROWN;S 
YELLOWISH GREEN MOTTLES THROUGHOUT;D DEFORMATION MODERATE 52-92 CM;H FIRM;
Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   758.20/  758.62
Hole:   9A  Depth to Top of Core(m)      :   758.20
Core:   2   Depth Top/Bottom Interval(mm):   00/ 420
Sect:  1
 
Visual Text Description:
 ZEOLITE CLAYEY SILT;C N1-BLACK,5YR4/4-MODERATE BROWN;D INTENSE 
DEFORMATION;U 2-5 MM FINELY GROUND ROCK CAVINGS,COARSE ROCK FRAGMENTS 
(CHERTY ZEOLITIC RADOOZE) SUBANGULAR 10-40 MM ONE LARGE BLACK FRAGMENTHAS 
DISTINCT BROWN BAND 5 MM THICK;H FIRM;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   758.62/  758.68
Hole:   9A  Depth to Top of Core(m)      :   758.20
Core:   2   Depth Top/Bottom Interval(mm):  420/ 480
Sect:  1
 
Visual Text Description:
 MARL;C 5YR4/4;H FIRM;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   758.68/  758.75
Hole:   9A  Depth to Top of Core(m)      :   758.20
Core:   2   Depth Top/Bottom Interval(mm):  480/ 550
Sect:  1
 
Visual Text Description:
 MARLSTONE;C 10YR7/4-GRAYISH ORANGE;O THIS LAYERDIPS ABOUT 5 DEGREES 
NORMAL TO LINER;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   758.75/  758.79
Hole:   9A  Depth to Top of Core(m)      :   758.20
Core:   2   Depth Top/Bottom Interval(mm):  550/ 590
Sect:  1
 
Visual Text Description:
 CHERT;C N1;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   765.36/  766.40
Hole:   9A  Depth to Top of Core(m)      :   764.90
Core:   3   Depth Top/Bottom Interval(mm):  460/1500
Sect:  1
 
Visual Text Description:
 ZEOLITIC SILTY CLAY;C 10YR3/2-VERY DARK GRAYISH BROWN,7.5YR4/4-DARK BROWN,
7.5YR5/6-STRONG BROWN;S LAYERING IRREGULAR BUT ROUGHLY NORMAL TO LINER,
LAYERSCOMPOSED OF ALTERNATE BANDS OF STRONG AND RICH BROWN 0.5 TO 1.0 MM 
THICK;H FIRM;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   766.46/  767.65
Hole:   9A  Depth to Top of Core(m)      :   764.90
Core:   3   Depth Top/Bottom Interval(mm):   60/1250
Sect:  2
 
Visual Text Description:
 ZEOLITE SILTY CLAY;C 10YR3/2-VERY DARK GRAYISH BROWN,7.5YR5/6-STRONG 
BROWN;S LITHIFIED LAYERS AT 88-89 AND 100-101 CM;D UNKNOWN DEFORMATION;U 
SECTION CONSISTS OF MANY 2-10 CM FRAGMENTS OF SOLID CORE INTERSPERSED WITH 
A LARGE AMOUNT OF SMALL LOOSE CHIPS;H FIRM;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   767.65/  767.85
Hole:   9A  Depth to Top of Core(m)      :   764.90
Core:   3   Depth Top/Bottom Interval(mm): 1250/1450
Sect:  2
 
Visual Text Description:
 COCCOLITH OOZE;C 5YR6/6-REDDISH YELLOW;S GREAT MOTTLES;D UNKNOWN 
DEFORMATION;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   767.90/  769.40
Hole:   9A  Depth to Top of Core(m)      :   764.90
Core:   3   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 ZEOLITIC SILT;C 7.5YR3/2-DARK BROWN,7.5YR3/0-VERYDARK GRAY,
2.5YR5/4-REDDISH BROWN;D INTENSE DEFORMATION,EXTRUDED FROM LINER VIA 
SPATULA;U FRAGMENTS OFMARLSTONE DISEMINATED IN A MATRIX OF BROWN MUD 
(POSSIBLY DERIVED FROM CAVE-IN),VERY DARK GRAY AND REDDISH BROWN ROCKS;H 
FIRM;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   769.40/  770.90
Hole:   9A  Depth to Top of Core(m)      :   764.90
Core:   3   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 ZEOLITIC SILTY CLAY;C 7.5YR3/2-DARK BROWN,5YR5/6-YELLOWISH RED,
5YR5/3-REDDISH BROWN,5YR6/4-LIGHT REDDISH BROWN;S 60-65 CM HAS OBVIOUS 
DISTORTED BEDDING PARALLEL TO LINER ALONG THE MARGINS POSSIBLY OF MATERIAL 
FROM ABOVE 57 CM,LAYERING AT 82-88 CM IS CRENULATE AND FOLDED SLIGHTLY.    
      IT IS CONCAVE UPWARD,DISTINCT MICROFAULT AT 92-100 CM AT AN ANGLE 
APPROXIMATELY 50 DEGREES FROM HORIZONTAL MEASURED ON FACEOF SPLIT CORE 
HALF,IN GENERAL LAYERING IS VERY DISTINCT AND EACH LIGHT COLORED BED IS 
COMPOSED OF COUNTLELL MICROBEDS SMALLER THAN 500 MICRONS IN THICKNESSOF 
ALTERNATING REDDISH BROWN AND LIGHT REDDISH BROWN COLOR,ALL BEDDING 
APPARENTLY DISTORTED TO A VARIABLE DEGREE;D INTENSE DEFORMATION AND 
PROBABLY BRECCIATED IN CORING 0-57 CM,TEXTURE AND ORIENTATION OF THIS 
SEDIMENT IN THE LINERS IS TOTALLY ARTIFICIAL;U CONTAINS LITHIFIED 
FRAGMENTS 0-57 CM;O SEDIMENT IS FISSILE AND APPEARS AS BRITTLE FLAKES WHEN 
CUT SURFACE IS SCRAPED;H FIRM;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   823.05/  824.30
Hole:   9A  Depth to Top of Core(m)      :   822.80
Core:   4   Depth Top/Bottom Interval(mm):  250/1500
Sect:  1
 
Visual Text Description:
 ZEOLITE CLAYEY SILT;C 5YR4/4-MODERATE BROWN,10YR4/2-DARK YELLOWISH BROWN,
5BG7/2-PALE BLUE GREEN,-WHITE;S WHITE ZEOLITIC LAMINATIONS 1-2 MM APART 
(LAMINATIONS SHOW NO SIGN OF MICROFAULTING EVEN THOUGH FRAGMENTS HAVE 
ROTATED INTO VARIOUS POSITIONS;D INTENSE DEFORMATION,CORE SECTION SEVERELY 
BRECCIATED DURING AND/OR AFTER CORING,AT LEAST HALF OF THE MATERIAL 
HASBEEN CRUSHED INTO CLAY-LIKE MODERATE BROWN AGGREGATES;U INDURATED 
FRAGMENTS OF ZEOLITIC CLAY RANGE INSIZE FROM 1-15 CM AND ARE DARK 
YELLOWISH BROWN ANDCONTAIN THIN (ABOUT 1 MM) WHITE ZEOLITIC LAMINATIONS 
1-2 MM APART,ONE 4 CM THICK FRAGMENT HAS A 1.5 CMTHICK PALE BLUE GREEN 
BAND RUNNING THROUGH IT WHICHALSO CONTAINS FINE WHITE LAMINATIONS;O LENGTH 
OF THIS SECTION IS ONLY APPROXIMATE AS FRAGMENTS HAVE BEEN PUSHED TOGETHER;
H FIRM;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   825.90/  827.40
Hole:   9A  Depth to Top of Core(m)      :   825.90
Core:   5   Depth Top/Bottom Interval(mm):   00/1500
Sect:  1
 
Visual Text Description:
 ZEOLITIC SILTY CLAY;C 10R4/6-MODERATE REDDISH BROWN,1/R3/4-DARK REDDISH 
BROWN,1/Y8/2-PALE YELLOWISH GREEN;S LARGER LENGTHS OF CLAY CONTAIN FINE 
LAMINATIONS WITH SLIGHTLY LIGHTER COLORED LAYERS ABOUT 1 MM THICK,PALE 
YELLOWISH GREEN LAYER AT 108 CM,LAMINATIONS DIP 7 DEGREES (MAXIMUM 9 
DEGREES);O SECTION CONSISTS OF SEVERAL INDIVIDUAL LENGTHS OF INDURATED RED 
CLAY AND NUMEROUS SMALLER BROKEN FRAGMENTS;H FIRM;Z 00000000 
 
 
Leg :  2    Depth Top/Bottom of Layer(m) :   827.40/  828.64
Hole:   9A  Depth to Top of Core(m)      :   825.90
Core:   5   Depth Top/Bottom Interval(mm):   00/1240
Sect:  2
 
Visual Text Description:
 ZEOLITIC SILTY CLAY;C 10R3/4-DARK REDDISH BROWN,-WHITE,-PALE TAN,-BLACK;S 
LATERAL DARK BANDS,COLOR LAYERING IN FRAGMENTS SHOWS EVIDENCE OF 
MICROFAULTING,SIX FRAGMENTS CONTAIN THIN (2 MM) WHITE BANDS COMPOSED OF 
ZEOLITES;D COMPLETELY FRAGMENTED DURING OR AFTER CORING,INTENSE 
DEFORMATION;U FRAGMENTS RANGE INLENGTH FROM 1-20 CM,BLACK MANGANESE NODULE 
(ABOUT 5CM LONG AXIS)DUG OUT OF CORE (ITS POSITION NOT KNOWN TO OBSERVER);
M MANGANESE NODULE;H FIRM CORE COMPOSED OF WELL INDURATED SEDIMENT;Z 
00000000 
 
 
    

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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.