NOAA logo, National Centers for Environmental Information, National Oceanic and Atmospheric Administration NSF logo, National Science Foundation, Division of Ocean Sciences

Core Data from the Deep Sea Drilling Project


Leg : 29    Depth Top/Bottom of Layer(m) :     0.10/    0.10
Hole: 283   Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 DETRITAL CLAY RICH NANNO OOZE;C 10YR5/4-MODERATE YELLOWISH BROWN;Z 
00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :    10.14/   10.59
Hole: 283   Depth to Top of Core(m)      :    10.00
Core:   2   Depth Top/Bottom Interval(mm):  140/ 590
Sect:  1
 
Visual Text Description:
 DETRITAL SILTY SAND RICH CLAY;C 10YR5/2-YELLOWISHBROWN,10YR6/4-LIGHTER 
YELLOWISH BROWN,10YR4/2-DARK YELLOWISH BROWN;S MOTTLES AND STREAKS OF 
LIGHTER ANDDARK YELLOWISH BROWN,SOME AUTHIGENIC CLAY;D MODERATE 
DEFORMATION;H SOFT;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :    11.50/   12.90
Hole: 283   Depth to Top of Core(m)      :    10.00
Core:   2   Depth Top/Bottom Interval(mm):   00/1400
Sect:  2
 
Visual Text Description:
 DETRITAL SILTY SAND RICH AUTHIGENIC CLAY;C 10YR5/2-YELLOWISH BROWN,
10YR4/2-DARK YELLOW BROWN;S MODERATE MOTTLING;D SLIGHT DEFORMATION;U 
MANGANESE NODULE AT 75 CM;H FIRM;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :    12.90/   13.00
Hole: 283   Depth to Top of Core(m)      :    10.00
Core:   2   Depth Top/Bottom Interval(mm): 1400/1500
Sect:  2
 
Visual Text Description:
 DETRITAL QUARTZ SILT RICH AUTHIGENIC CLAY;C 10YR7/2-VERY PALE YELLOWISH 
BROWN;H SOFT;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :    13.00/   14.50
Hole: 283   Depth to Top of Core(m)      :    10.00
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 DETRITAL QUARTZ SILT RICH AUTHIGENIC CLAY;S MODERATE MOTTLING,CORE 
SURFACE PEPPERED BY DARK MICRONODSABOUT 5 PERCENT OF SECTION VOLUME,FAINT 
COLOR BANDING MAY BE STRATIFICATION,GENERALLY MOTTLED FAINTLY;DSLIGHT 
DEFORMATION;H SOFT;Z 33213000.3450.3908 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :    14.50/   16.00
Hole: 283   Depth to Top of Core(m)      :    10.00
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 DETRITAL QUARTZ SILT RICH AUTHIGENIC CLAY;S MOTTLES POORLY DEFINED 
PROBABLY INTENSE,2 LUMPS OF DARK OOZE IN BASE AND IN CONTACT WITH CORE 
CATCHER BELOW,SEDIMENT APPROXIMATELY HOMOGENEOUS;M MICRONODS UP TO 1 MM;H 
SOFT;Z 33213000.3450.3908 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :    16.10/   16.10
Hole: 283   Depth to Top of Core(m)      :    10.00
Core:   2   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 DETRITAL SILT AND SAND BEARING AUTHIGENIC CLAY OOZE;C 10YR6/4-LIGHT 
YELLOWISH BROWN,5GY4/1-DARK GREENISH GRAY,10YR4/1;S CONTACT SHARP CONTACT 
IN CORE CATCHER;D DEFORMED;O LIGHT YELLOWISH BROWN OOZE OVERLYING DARK 
GREENISH GRAY OOZE STRIKING CONTRAST;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :    29.00/   29.30
Hole: 283   Depth to Top of Core(m)      :    29.00
Core:   3   Depth Top/Bottom Interval(mm):   00/ 300
Sect:  1
 
Visual Text Description:
 SPICULE BEARING QTZ RICH DIAT OOZE;C 5GY4/1-DARK GREENISH GRAY;O RECOVERY 
LIMITED TO A FEW OUNCES IN CORE CATCHER 0.3 M OF SEDIMENT IN FRACTURED 
CORE LINER;H SOFT;Z 21112220.3311 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :    30.60/   30.60
Hole: 283   Depth to Top of Core(m)      :    29.00
Core:   3   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 SPICULE BEARING QTZ RICH DIAT OOZE;H SOFT;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :    57.60/   57.60
Hole: 283   Depth to Top of Core(m)      :    57.50
Core:   4   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 DET QTZ SILT RICH DIAT OOZE;C 5GY4/1-DARK GREENISH GRAY;H STIFF;Z 
00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :    86.00/   86.78
Hole: 283   Depth to Top of Core(m)      :    86.00
Core:   5   Depth Top/Bottom Interval(mm):   00/ 780
Sect:  1
 
Visual Text Description:
 DET SILT RAD SILICOFLAG SPICULE BEARING AUTH CLAYRICH DIAT OOZE;C 
5GY4/1-DARK GREENISH GRAY;D SLIGHTLY DEFORMED;H STIFF;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :    87.50/   89.00
Hole: 283   Depth to Top of Core(m)      :    86.00
Core:   5   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 DET SILT RAD SILICOFLAG SPICULE BEARING AUTH CLAYRICH DIAT OOZE;C 
5YR4/1-BROWNISH GRAY,N3-DARK GRAY;S AT 10-25 CM SEVERAL BROWNISH GRAY 
IRREGULARLY DEFINED MOTTLES UP TO 5 CM DIAMETER,ELSEWHERE CORE SHOWSFAINT 
DARK GRAY STREAKING 4 MM WIDE NOW ORIENTED PARALLEL CORE AXIS;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :    89.10/   89.10
Hole: 283   Depth to Top of Core(m)      :    86.00
Core:   5   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 SILICOFLAGELLATE SPICULE BEARING RAD RICH DIAT OOZE;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   124.96/  125.50
Hole: 283   Depth to Top of Core(m)      :   124.00
Core:   6   Depth Top/Bottom Interval(mm):  960/1500
Sect:  1
 
Visual Text Description:
 NANNO RAD SPICULE SILICOFLAG BEARING DIAT OOZE;C 5Y4/1-OLIVE GRAY;S 
SUBHOMOGENEOUS FAINT MOTTLING;O SIMILAR TO OVERLYING CORES;H STIFF;Z 
00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   125.79/  127.00
Hole: 283   Depth to Top of Core(m)      :   124.00
Core:   6   Depth Top/Bottom Interval(mm):  290/1500
Sect:  2
 
Visual Text Description:
 QTZ SILICOFLAGELLATE SPICULE RAD BEARING DIAT RICH NANNO OOZE;C 
5Y4/1-OLIVE GRAY,N3-DARK GRAY;S RARE DARK GRAY ILL DEFINED DARK MOTTLES 1 
CM;H STIFF WITHTWO SEMILITHIFIED LUMPS 45-49 CM AND 59-62 CM;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   152.50/  154.00
Hole: 283   Depth to Top of Core(m)      :   152.50
Core:   7   Depth Top/Bottom Interval(mm):   00/1500
Sect:  1
 
Visual Text Description:
 SPICULE DET BEARING NANNO RICH DIAT OOZE;C 5GY4/1-DARK GREENISH GRAY;D 
DRILLING BRECCIA;O 43-86 CM VOID;H SOFT;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   155.18/  155.50
Hole: 283   Depth to Top of Core(m)      :   152.50
Core:   7   Depth Top/Bottom Interval(mm): 1180/1500
Sect:  2
 
Visual Text Description:
 SPICULE DET BEARING NANNO RICH DIAT OOZE;C 5GY4/1-DARK GREENISH GRAY;D 
DRILLING BRECCIA;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   155.50/  157.00
Hole: 283   Depth to Top of Core(m)      :   152.50
Core:   7   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 SPICULE DET BEARING NANNO RICH DIAT OOZE;D 0-22 CM 50-90 CM AND 106-130 
CM SOUPY,23-50 CM 90-106 CM AND 130-150 CM MODERATELY DISTURBED;H SOUPY IN 
INTERVALS LISTED;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   157.00/  158.50
Hole: 283   Depth to Top of Core(m)      :   152.50
Core:   7   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 SPICULE DET BEARING NANNO RICH DIAT OOZE;D DRILLING BRECCIA (15 %) 20-50 
CM AND 140-150 CM,SOUPY 0-20CM AND 50-140 CM;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   158.50/  160.00
Hole: 283   Depth to Top of Core(m)      :   152.50
Core:   7   Depth Top/Bottom Interval(mm):   00/1500
Sect:  5
 
Visual Text Description:
 SPICULE DET BEARING NANNO RICH DIAT OOZE;C 5GY4/1-DARK GREENISH GRAY;D 
0-91 CM SOUPY,91-105 CM AND 132-148 CM MODERATELY DISTURBED;O 105-132 CM 
VOID;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   160.84/  161.50
Hole: 283   Depth to Top of Core(m)      :   152.50
Core:   7   Depth Top/Bottom Interval(mm):  840/1500
Sect:  6
 
Visual Text Description:
 SPICULE DET BEARING NANNO RICH DIAT OOZE;D 110-118 CM SOUPY;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   190.82/  192.00
Hole: 283   Depth to Top of Core(m)      :   190.50
Core:   8   Depth Top/Bottom Interval(mm):  320/1500
Sect:  1
 
Visual Text Description:
 SPICULE DIAT RICH DET SILTY CLAY;C 5GY4/1-DARK GREENISH GRAY,5Y4/1-OLIVE 
GRAY,5GY5/1-GREENISH GRAY;S OLIVE GRAY AND GREENISH GRAY MOTTLES;D 
MODERATE DEFORMATION;O CORE HAS COARSE COTTAGE CHEESE TEXTURE ALMOST 
DRILLING BRECCIA;H SOFT;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   192.00/  193.50
Hole: 283   Depth to Top of Core(m)      :   190.50
Core:   8   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 SPICULE DET BEARING NANNO RICH DIAT OOZE;C 5GY4/1-DARK GREENISH GRAY,
5G6/1-GREENISH GRAY,5YR4/1-BROWNISH GRAY,N3-DARK GRAY;S VERTICAL STREAKING 
OF MOTTLES MOTTLES GREENISH GRAY BROWNISH GRAY STREAKS UP TO 10 MM DARK 
GRAY VERY SMALL "COMET TAIL" STREAKS FROMMANGANESE MICRO NODULES (?);D 
INTENSE DEFORMATION;OBASIC COLOR DARK GREENISH GRAY;H STIFF;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   193.50/  195.00
Hole: 283   Depth to Top of Core(m)      :   190.50
Core:   8   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 SPICULE DIAT RICH DET QTZ SILTY CLAY;C 5G6/1-GREENISH GRAY,
5YR3/1-BROWNISH GRAY,N3-DARK GRAY,5GY4/1-DARK GREENISH GRAY;S STREAKS AND 
MOTTLES OF BROWNISH GRAY AND ALITTLE DARK GRAY AND SOME DARK GREENISH GRAY;
D INTENSE DEFORMATION;O GREENS AND BROWNS INCREASE IN PROMINENCE 
GRADATIONAL COLOR CHANGE BASIC COLORIS GREENISH GRAY,IF THIS IS A UNIT AND 
WAS CONTACT IT WOULD BE 8-1 AND 8-2 8-1 WAS DEFORMED AND THE SMEAR SLIDE 
FROM IT COULD BE NON-REPRESENTATIVE,0-5 CM GEO CHEM SAMPLE;H SOFT;Z 
00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   219.44/  220.50
Hole: 283   Depth to Top of Core(m)      :   219.00
Core:   9   Depth Top/Bottom Interval(mm):  440/1500
Sect:  1
 
Visual Text Description:
 SPICULE DIAT RICH DET QTZ SILTY CLAY;S 44-66 CM HAS DISCRETE BURROW 
STRUCTURES OF TYPE DESCRIBED AT CORE 9-2;D 44-66 CM MODERATE DEFORMATION,
66-150 CM INTENSELY DISTURBED;H STIFF;Z 22210000.2220.2310.3450 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   220.50/  222.00
Hole: 283   Depth to Top of Core(m)      :   219.00
Core:   9   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 SPICULE DIAT RICH DET QTZ SILTY CLAY;C 5G4/1-DARKGREENISH GRAY,
5YR4/1-BROWN GRAY,5YR3/1-;S BURROWS ROCK IS DARK GREENISH GRAY WITH 
BURROWS BROWN GRAY TO5YR3/1 TWO TYPES 5 MM WIDE X 2 CM LONG ZOOPHYCOS 
ANOTHER IRREGULAR 2 CM WIDE,A POSSIBLE THIRD TYPE 1-2 MM WIDE SLENDER 
VERTICAL TYPES GREENISH NOT BROWN;D 0-24 CM AND 48-150 CM INTENSELY 
DISTURBED;H HARD;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   222.00/  223.50
Hole: 283   Depth to Top of Core(m)      :   219.00
Core:   9   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 SPICULE DIAT RICH DET QTZ SILTY CLAY;D INTENSELY DISTURBED;H SOFT;Z 
00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   223.50/  225.00
Hole: 283   Depth to Top of Core(m)      :   219.00
Core:   9   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 SPICULE DIAT RICH DET QTZ SILTY CLAY;D INTENSELY DISTURBED;H SOFT;Z 
00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   225.00/  226.50
Hole: 283   Depth to Top of Core(m)      :   219.00
Core:   9   Depth Top/Bottom Interval(mm):   00/1500
Sect:  5
 
Visual Text Description:
 SPICULE DIAT RICH DET QTZ SILTY CLAY;D INTENSELY DISTURBED;H SOFT;Z 
00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   238.10/  238.10
Hole: 283   Depth to Top of Core(m)      :   238.00
Core:  10   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 SILTY CLAYSTONE;S BURROWS UP TO 3 MM WIDE AND 4 CM LONG SHOW PAIRID 
LATERAL GALLERIES;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   276.88/  277.50
Hole: 283   Depth to Top of Core(m)      :   276.00
Core:  11   Depth Top/Bottom Interval(mm):  880/1500
Sect:  1
 
Visual Text Description:
 SILTY CLAYSTONE;C 5YR3/1-DARK BROWNISH GRAY,5GY4/1-DARK GREENISH GRAY;S 
124-150 CM DARK GREENISH GRAYMOTTLED DARK BROWNISH GRAY;D 88-110 CM 
DRILLING BRECCIA,110-150 CM MODERATE DEFORMATION;O 110-124 CM WAXY;H HARD;
Z 33233000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   277.50/  279.00
Hole: 283   Depth to Top of Core(m)      :   276.00
Core:  11   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 SILTY CLAYSTONE;C -GREEN,-BROWN;S BIOTURBATION ASDESCRIBED IN 9-2 IS 
LARGELY SUBHORIZONTALLY ORIENTED BURROW FILLINGS ARE BROWN;D SLIGHTLY 
DEFORMED;P ARENACEOUS FORAMS ? (SAMLL WHITE SPECKS);H SEMI LITHIFIED;Z 
33233000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   279.00/  280.50
Hole: 283   Depth to Top of Core(m)      :   276.00
Core:  11   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 PALAGONITE BEARING SILTY CLAY;S 23-32 CM BROWN INTENSELY BIOTURBATE ZONE 
INTENSE BURROWING COLOR CHANGE,BIOTURBATE FABRIC IS SEGMENTED INTO PARTS 
THAT ARE HOMOGENEOUSLY INCLINED;P "FORAMS" COMPOSED OF WHITE VERY FINE 
SILT;O GEOCHEM SAMPLE 0-5 CM;H FIRM;Z 33213000.3652 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   324.12/  325.00
Hole: 283   Depth to Top of Core(m)      :   323.50
Core:  12   Depth Top/Bottom Interval(mm):  620/1500
Sect:  1
 
Visual Text Description:
 PALAGONITE MICRONODULE BEARING SILTY CLAYSTONE;C 5Y3/1,5Y2/1-OLIVE BLACK;
S LAMINATED SILTY CLAYSTONE BEDDING IS SWIRLED WISPY AND IRREGULAR 
BIOTURBATION BEDS 1-10 MM THICKER LAYERS TEND TO BE SLIGHTLY LIGHTER 
(5Y3/1) AND ALITTLE SILTIER,DISCRETE BURROWS ARERARE MOSTLY JUST SMALL 
PELLET LIKE MASSES AND WISPYCLASTS PARALLEL BEDDING;D 62-93 CM DRILLING 
BRECCIA;P < 1% ARENACEOUS FORAMS SHOW AS TINY WHITE SPECKS;H SEMI 
LITHIFIED;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   325.00/  326.50
Hole: 283   Depth to Top of Core(m)      :   323.50
Core:  12   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 PALAGONITE MICRONODULE BEARING SILTY CLAYSTONE;Z 33233000.3908.3450 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   371.50/  372.50
Hole: 283   Depth to Top of Core(m)      :   371.00
Core:  13   Depth Top/Bottom Interval(mm):  500/1500
Sect:  1
 
Visual Text Description:
 PALAGONITE MICRONODULE BEARING SILTY CLAYSTONE;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   372.50/  374.00
Hole: 283   Depth to Top of Core(m)      :   371.00
Core:  13   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 PALAGONITE MICRONODULE BEARING SILTY CLAYSTONE;S 122-127 CM CONCRETION 
(?) OF BROWN VEINS AND CEMENTED CLAYSTONE OF BARITE;Z 33233000.3908.3450 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   374.00/  375.50
Hole: 283   Depth to Top of Core(m)      :   371.00
Core:  13   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 MICRONODULE BEARING SILTY CLAYSTONE;C 5Y2/1-OLIVEBLACK;S OLIVE BLACK 
MUDSTONE BUT BIOTURBATION LESS DISCRETE AND OBIVIOUS;M 51-58 CM PYRITE 
VEIN 3 MM WIDE GRANULAR CRYSTALS,VERY ABUNDANT PYRITE IN GRANULAR VEINLETS 
AND OVOID NODULES 10 MM;O 0-8 CM GEOCHEMSAMPLE;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   375.50/  377.00
Hole: 283   Depth to Top of Core(m)      :   371.00
Core:  13   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 MICRONODULE BEARING SILTY CLAYSTONE;C 5Y2/1-OLIVEBLACK;S FINE WISPY 
BEDDING IS HORIZONTAL;D SLIGHT DEFORMATION;P FORAMS STILL PRESENT;Z 
33233000.3908.3450 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   377.00/  378.50
Hole: 283   Depth to Top of Core(m)      :   371.00
Core:  13   Depth Top/Bottom Interval(mm):   00/1500
Sect:  5
 
Visual Text Description:
 MICRONODULE BEARING SILTY CLAYSTONE;C 5Y2/1-OLIVEBLACK;S DEFINITION OF 
BURROWS HAS FADED DOWNWARD IN13;P BATHYSIPHON FORAMS 1%;O 51-59 CM 
SUPERFICIALLYHOMOGENEOUS;Z 33233000.3908.3450 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   428.57/  429.50
Hole: 283   Depth to Top of Core(m)      :   428.00
Core:  14   Depth Top/Bottom Interval(mm):  570/1500
Sect:  1
 
Visual Text Description:
 MICRONODULE BEARING SILTY CLAYSTONE;C 5Y2/1-OLIVEBLACK;S LUMPS 1X4 INCHES 
OF SANDY SILTY CLAYSTONE;DDRILLING BRECCIA;Z 33233000.3908.3450 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   429.50/  431.00
Hole: 283   Depth to Top of Core(m)      :   428.00
Core:  14   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 SILTY CLAYSTONE;C 5Y2/1-OLIVE BLACK;D SMALL ZONESMICRO BRECCIA;U 
MICRONODULES MAY COMPRISE 5% OF SEDIMENT;O NOT MEGASCOPICALLY PYRITIC;Z 
33233000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   431.00/  432.50
Hole: 283   Depth to Top of Core(m)      :   428.00
Core:  14   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 SILTY CLAYSTONE;C -BROWN;S BURROWS BETTER DEFINEDHERE BROWN COLORED 
ESPECIALLY TYPICAL ARE 0.5 X 3 CM PLATE LIKE BURROWS WITH MASSIVE 
STRUCTURES BROWN FILLING;P BATHYSIPHON;Z 33233000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   432.50/  433.10
Hole: 283   Depth to Top of Core(m)      :   428.00
Core:  14   Depth Top/Bottom Interval(mm):   00/ 600
Sect:  4
 
Visual Text Description:
 SILTY CLAYSTONE;Z 33233000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   433.10/  434.00
Hole: 283   Depth to Top of Core(m)      :   428.00
Core:  14   Depth Top/Bottom Interval(mm):  600/1500
Sect:  4
 
Visual Text Description:
 SILTY MUDSTONE,SILTY CLAYSTONE;C 5G4/1-DARK GREENISH GRAY,5YR4/1-BROWNISH 
GRAY;O PLANED AND WASHED SURFACES OF THIS AND THE PREVIOUS CORE (14/3) 
SHOW IT TO CONSIST OF TWO LITHS DARK GREENISH GRAY SILTY MUDSTONE 
INTERCALATED WITH BROWNISH GRAY CLAYSTONE OR SILTY CLAYSTONE THIS MIXING 
OF LITHS SEEMS TO C.F. UNIT ABOVE THE BLACK ONE BUT AT THIS POINT IT IS 
ONLY A VARIATION;S INTERBEDDED WITH BLACK FROM ABOUT 60 CM DOWNWARD;Z 
00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   434.10/  434.10
Hole: 283   Depth to Top of Core(m)      :   428.00
Core:  14   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 MICRONODULE BEARING SILTY CLAYSTONE;S FIRST OCCURENCE ZOOPHYCUS AT 100 CM;
Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   485.50/  486.50
Hole: 283   Depth to Top of Core(m)      :   485.00
Core:  15   Depth Top/Bottom Interval(mm):  500/1500
Sect:  1
 
Visual Text Description:
 SILTY CLAYSTONE;C 5Y2/1-OLIVE BLACK;D SLIGHT DEFORMATION BUT CORE 
CONSISTS OF APPOXIMATELY 15 SEGMENTS;O PROPORTION OF SILT HAS BEEN HIGHER 
SINCE 14/4;Z 33233000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   486.50/  488.00
Hole: 283   Depth to Top of Core(m)      :   485.00
Core:  15   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 MICRONODULE BEARING SILTY CLAYSTONE;D SLIGHT DEFORMATION;P FORAMS 
ABUNDANT AGAIN THEY WERE NOT IN GREENISH BROWN ZONES ABOVE;Z 
33233000.3908.3450 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   488.00/  489.50
Hole: 283   Depth to Top of Core(m)      :   485.00
Core:  15   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 MICRONODULE BEARING SILTY CLAYSTONE;S ZOOPHYCUS;DMODERATELY DISTURBED;M 
PYRITE IN 2-4 MM CRYSTALS WELL CRYSTALLIZED;Z 33233000.3908.3450 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   489.50/  491.00
Hole: 283   Depth to Top of Core(m)      :   485.00
Core:  15   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 GLAUC BEARING DET QTZ SILTY CLAY;C -GRAYISH GREEN,-BROWN;S DEVELOPMENT OF 
GRAYISH GREEN AND BROWN INTERCALATIONS,145 CM NORMAL FAULT 1 CM THROW;O 
SAME UNIT BUT MORE GLAUCONITIC SILTIER AND SANDIER;H FIRM;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   542.00/  543.50
Hole: 283   Depth to Top of Core(m)      :   542.00
Core:  16   Depth Top/Bottom Interval(mm):   00/1500
Sect:  1
 
Visual Text Description:
 GLAUC BEARING DET QTZ SILTY CLAY;S BURROWS DISCRETE AND SHARPLY DEFINED,
UPPER HALF THIN CORE BEDDING DIPS 20 DEGREES BUT ROTATION OF SEGMENTS 
MEANS YOU CAN NOT BE SURE OF CONSISTENCY;D SLIGHT DEFORMATION;OCORE 
CONSISTS OF NUMEROUS < 10 CM SEGMENTS;H FIRM;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   543.50/  545.00
Hole: 283   Depth to Top of Core(m)      :   542.00
Core:  16   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 GLAUC BEARING DET QTZ SILTY CLAY;C -BROWNISH,-GREENISH;S POSSIBLY MOTTLED 
GREEN/BROWN UNIT 190.5 285.5 CM IS JUST LESS COMPACTED;D SLIGHTLY 
DISTURBED;O ALTERNATIONS REALLY ONLY APPARENT WHEN CORE IS WASHED;H FIRM;Z 
00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   545.00/  546.50
Hole: 283   Depth to Top of Core(m)      :   542.00
Core:  16   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 GLAUC BEARING DET QTZ SILTY CLAY;S CORE BROKEN INTO MANY SEGMENTS SOME 
HAVE BEEN ROTATED BEDDING INCLINED;D SLIGHT DEFORMATION;O 0-9 CM GEOCHEM 
SAMPLE;H FIRM;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   570.50/  572.00
Hole: 283   Depth to Top of Core(m)      :   570.50
Core:  17   Depth Top/Bottom Interval(mm):   00/1500
Sect:  1
 
Visual Text Description:
 GLAUC BEARING DET QTZ SILTY CLAY;S .5 % WELL CRYSTALLIZED BUT EXTREMLY 
FINE GRAIN PYRITE IN PLATES AND BURROWS,CORE HAS READY BEDDING PARTING;D 
SLIGHT DEFORMATION;M PYRITE;H FIRM;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   572.00/  572.98
Hole: 283   Depth to Top of Core(m)      :   570.50
Core:  17   Depth Top/Bottom Interval(mm):   00/ 980
Sect:  2
 
Visual Text Description:
 GLAUC BEARING DET QTZ SILTY CLAY;D SLIGHT DEFORMATION;O CORE HIGHLY 
SEGMENTED;H FIRM;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   573.50/  575.00
Hole: 283   Depth to Top of Core(m)      :   570.50
Core:  17   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 GLAUC BEARING DET QTZ SILTY CLAY;S BEDDING VARIOUSLY INCLINED 30 DEGREES;
O UPPER PART OF CORE IS HIGHLY SEGMENTED;H FIRM;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   575.00/  576.21
Hole: 283   Depth to Top of Core(m)      :   570.50
Core:  17   Depth Top/Bottom Interval(mm):   00/1210
Sect:  4
 
Visual Text Description:
 GLAUC BEARING DET QTZ SILTY CLAY;D SLIGHT DEFORMATION,DRILLING BRECCIA;H 
FIRM;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   576.21/  576.50
Hole: 283   Depth to Top of Core(m)      :   570.50
Core:  17   Depth Top/Bottom Interval(mm): 1210/1500
Sect:  4
 
Visual Text Description:
 QTZ RICH SILTY CLAY;C 5GY4/1-DARK GREENISH GRAY,5R6/2-PALE RED;S BURROWS 
AND FINE CHIPS (PELLETS ? BURROW ?) ARE RED (UPPER MOST PALE RED);D SLIGHT 
DEFORMATION,DRILLING BRECCIA;O 145-150 CM GEOCHEM SAMPLE,AT 121 CM 
SEDIMENT LIGHTENS IN COLOR TO DARK GREENISH GRAY MAY ALSO BE FINE GRAINED;
H FIRM;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   576.50/  577.00
Hole: 283   Depth to Top of Core(m)      :   570.50
Core:  17   Depth Top/Bottom Interval(mm):   00/ 500
Sect:  5
 
Visual Text Description:
 QTZ RICH SILTY CLAY;O GREEN AND "RED" ASPECT OF THE SEDIMENT MAY BE 
SECONDARY BLEACHING AND OXIDATIONCAUSED BY THE "SILL" BELOW THIS CORE (IF 
IT IS A SILL);H FIRM;Z 33213000.3311 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   578.60/  579.50
Hole: 283   Depth to Top of Core(m)      :   570.50
Core:  17   Depth Top/Bottom Interval(mm):  600/1500
Sect:  6
 
Visual Text Description:
 SILTY CLAY;C 5G4/1-DARK GREENISH GRAY;S INTRACLASTS OF THE LITHIC TYPES 
IN THE CORES ABOVE RANGE FROM0.5-3 CM AVERAGING 2 CM THEY ARE ALL ROUNDED 
OR WELL ROUNDED AND TABULAR IN SHAPE THEY ARE CLOSELY PUSHED IN A DARK 
GREENISH GRAY MATRIX,INCLUDED IN THE CLASTS ARE ONE OR TWO RED CLASTS IF 
THE RED COLOR IS DEVELOPED AS A RESULT OF AN INTRUSION ( AND THE 
BLEACHING) THEN THE PRESENCE OF THESE CLASTS IN THE CONGLOMERATE IMPLIES 
ITS DEVELOPMENT AFTER THE ALTERATION(?) HENCE IT IS OF DRILLING ORIGIN,
CLASTS PLUCKED FROM THE CONGLOMERATE HAVE STRIAE ON THEM PROBABLY CAUSED 
BY CONTACT WITH THE BIT ON CORE;D THE LOWER 60CM CONSISTS OF 
INTRAFORMATIONAL CONGLOMERATE PROBABLY OF DRILLING ORIGIN,60-90 CM 
DRILLING BRECCIA       ;H FIRM;Z 33213000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   589.10/  589.30
Hole: 283   Depth to Top of Core(m)      :   588.50
Core:  18   Depth Top/Bottom Interval(mm):  600/ 800
Sect:  1
 
Visual Text Description:
 DEVITRIFIED BASALTIC GLASS;C 5G7/1-GREENISH GRAY;M CALCITE AND SERPENTINE 
VEINLETS,FRAGMENT 4 HAS A 2CM DARK RED PALAGONITE VEINLET WHICH SUGGESTS 
INTER-PILLOW GLASS,ROCK CONSISTS OF 5 2% FEL (ALTERED) LATHS IN GROUNDMASS 
OF CLAY ZEOLITE AND SERPENTINE;C -DARK RED;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   589.30/  589.52
Hole: 283   Depth to Top of Core(m)      :   588.50
Core:  18   Depth Top/Bottom Interval(mm):  800/1020
Sect:  1
 
Visual Text Description:
 ALTERED BASALTIC BRECCIA;C 5GY3/1-VERY DARK GREENISH GRAY,-DARK GREEN;S 
TECTONIC OR AUTOBRECCIA CONSISTS OF AMYGDALOIDAL BASALT (80 %) CALCITE 
VEINS (15%) AND DARK DIVITRIFIED GLASS FRAGMENTS (5%),AMYGDULES AVERAGE 
1.0 MM,MINOR DARK GREEN SERPENTINE VEINLETS;M CALCITE,SERPENTINE;Z 
00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   589.52/  590.00
Hole: 283   Depth to Top of Core(m)      :   588.50
Core:  18   Depth Top/Bottom Interval(mm): 1020/1500
Sect:  1
 
Visual Text Description:
 ALTERED BASALT;C 5GY3/1-DARK GREENISH GRAY;S CUT BY CALCITE SERPENTINE 
VEINLETS UP TO 1 CM IN INTANCES THESE FOLLOW ZONES OF BRECCIATION;M 
CALCITE,SERPENTINE;Z 00000000 
 
 
Leg : 29    Depth Top/Bottom of Layer(m) :   589.50/  590.29
Hole: 283   Depth to Top of Core(m)      :   589.50
Core:  19   Depth Top/Bottom Interval(mm):   00/ 790
Sect:  1
 
Visual Text Description:
 ALTERED BASALT;S FRAGMENT 6 (32-38 CM) CONTAINS AFRAGMENT OF THE UPPER 
SURFACE OF A PILLOW SHOWING ADIVITRIFIED GLASS VENEER AND A CHILLED RIM 
GRADING DOWNWARD TO HOLOGRYSTALLINE (?) ALTERED BASALT THIS FRAGMENT 
STRONGLY SUGGESTS THAT THE BASALT WAS EITHER A PILLOW FLOW OR A BROKEN 
PILLOW BRECCIA;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.

Please see NOAA's privacy and disclaimer information. Send questions or comments to mgg.info@noaa.gov.

Department of Commerce > NOAA > NESDIS > NCEI > doi:10.7289/V54M92G2