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Core Data from the Deep Sea Drilling Project


Leg : 28    Depth Top/Bottom of Layer(m) :     0.40/    0.80
Hole: 273   Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):  400/ 800
Sect:  1
 
Visual Text Description:
 DIATOM SILTY CLAY; C 5GY5/2-DUSKY YELLOW GREEN; HSOFT; D MODERATE 
DEFORMATION; O PATCHES MORE YELLOW;Z 33213000.2220 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :     0.80/    1.50
Hole: 273   Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):  800/1500
Sect:  1
 
Visual Text Description:
 DIATOM BEARING SILTY CLAY; C 5GY4/1-DARK GREENISHGRAY;   H SOFT BUT 
SLIGHTLY STIFFER THAN OVERLYING UNIT;D MODERATE DEFORMATION; U GNEISS 
PEBBLE AT 102 CM, GRANITE PEBBLE AT 113 CM; S NO BEDDING VISIBLE;Z 
33213000.2220 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :     1.50/    3.00
Hole: 273   Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 5GY4/1-OLIVE GRAY, -DARK GREENISH GRAY, -DUSKY GREEN, -DARK GRAY, -GRAY, 
-LIGHT GRAY; S NO BEDDING ORSTRUCTURES VISIBLE; U VOLCANIC PEBBLE AT 35 CM,
 BASALT PEBBLE AT 79 CM, GNEISS PEBBLE AT 86 CM, QUARTZ PEBBLE AT 104 CM, 
ARGILLITE PEBBLES AT 116/140 CM, SILTSTONE PEBBLES AT 126/130 CM; H SOFT; 
O DARK GREENISH GRAY SECTION TENDING TO OLIVE GRAY, SOME DUSKY GREEN 
STREAKS INTERPRETED AS CONTAMINATION FROM UNIT ABOVE-THESE ARE DIATOM 
SILTY CLAYS; U LESS THAN 1% GRANULES AND PEBBLES; L DIATOM BEARING SILTY 
CLAY; D INTENSE DEFORMATION; M QUARTZ;Z 33213000.2220 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :     3.00/    4.50
Hole: 273   Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 DIATOM BEARING SILTY CLAY; C 5GY4/1-DARK GREENISHGRAY, -RED, -WHITE, 
-LIGHT GRAY, -LIGHT GREEN, -GRAY, -DARK GRAY; S UNIFORM-NO BEDDING; D 
INTENSE DEFORMATION; H SOFT; U QUARTZITE PEBBLES AT 20/134/93 CM, QUARTZ 
PEBBLE AT 35 CM, ARGILLITE PEBBLES AT 40/55/61/105 CM, DIAMICTITE PEBBLES 
AT 84/119 CM, SCHIST PEBBLE AT 90 CM, BASALT PEBBLE AT 94 CM, PEBBLES 
+/-1%;Z 33213000.2220 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :     4.60/    4.60
Hole: 273   Depth to Top of Core(m)      :     0.00
Core:   1   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 SILTY CLAY; C 5Y3/2-OLIVE GRAY; H SOFT; U GRANULES AND PEBBLE 
CONCENTRATION FAIRLY LOW, SOME 2-3 MM VEIN QUARTZ PEBBLES, ONE BASALT 
PEBBLE; O SOME SAND;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :     5.36/    5.41
Hole: 273   Depth to Top of Core(m)      :     4.50
Core:   2   Depth Top/Bottom Interval(mm):  860/ 910
Sect:  1
 
Visual Text Description:
 DIATOM SILTY CLAY;  C -DUSKY GREEN; H SOFT; O UPHOLE CONTAMINATION; D 
INTENSE DEFORMATION;Z 33213000.2220 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :     5.41/    6.00
Hole: 273   Depth to Top of Core(m)      :     4.50
Core:   2   Depth Top/Bottom Interval(mm):  910/1500
Sect:  1
 
Visual Text Description:
 SILTY CLAY; C 5GY4/1-DARK GREENISH GRAY, -DARK GRAY, -LIGHT GREEN, -DARK 
GRAY; H SOFT; D INTENSE DEFORMATION; P PEBBLES 1-2%, QUARTZITE PEBBLE AT 
104 CM,DIAMICTITE PEBBLE AT 109 CM, BASALT PEBBLE AT 110/135 CM, QUARTZ 
PEBBLE AT 111 CM, SCHIST PEBBLE AT 130CM, GNEISS PEBBLE AT 128 CM, 
SILTSTONE PEBBLE AT 137CM; M QUARTZ;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :     6.00/    7.50
Hole: 273   Depth to Top of Core(m)      :     4.50
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 SILTY CLAY; C -DARK GREENISH GRAY, -PINK, -LIGHT GRAY, -GRAY, -DARK GRAY, 
-WHITE; S NO BEDDING VISIBLE; H SOFT TO SEMI-STIFF; D MODERATE DEFORMATION;
 U PORPHYRY PEBBLE AT 10 CM, BASALT PEBBLES AT 20/60/115/120 CM, GRANITE 
PEBBLE AT 21 CM, GABBRO PEBBLE AT 35 CM, DIAMICTITE PEBBLE AT 50 CM, 
SANDSTONE PEBBLE AT 55 CM, GNEISS PEBBLE AT 74 CM, QUARTZ PEBBLES AT 
99/141 CM, QUARTZITE PEBBLES AT 101/136/148 CM; M QUARTZ;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :     7.50/    9.00
Hole: 273   Depth to Top of Core(m)      :     4.50
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 SILTY CLAY; C 5GY4/1-DARK GREENISH GRAY, -GRAY, -BROWN, -LIGHT GREEN, 
-DARK GRAY; D STRONG DISTURBANCE 0-10 CM, MODERATE DEFORMATION 10-150 CM, 
DEFORMATION SUSPECTED; S NO BEDDING VISIBLE; H SOFT; O SLIGHTLY CALCAREOUS;
  U PEBBLES 3-5%, QUARTZ PEBBLE AT 10 CM, ARGILLITE PEBBLES AT 
11/36/41/65/94 CM, BASALT PEBBLES AT 23/50/79/111 CM, SANDSTONE PEBBLES AT 
35/56 CM, DIAMICTITE PEBBLES AT 55/108/149 CM, ALASKITE PEBBLES AT 75/79 
CM, GNEISS PEBBLE AT 76 CM, GABBRO PEBBLES AT 89/93/105 CM, GRANITE 
PEBBLES AT 110/139 CM, SCHIST PEBBLE AT 118 CM, QUARTZITE PEBBLES AT 
119/146 CM, VOLCANIC PEBBLE AT 143 CM; M QUARTZ;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :     9.00/   10.50
Hole: 273   Depth to Top of Core(m)      :     4.50
Core:   2   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 DIATOM BEARING SILTY CLAY; C 5GY4/1-DARK GREENISHGRAY, -GRAY, -DARK GRAY, 
-BROWN; S NO BEDDING VISIBLE, UNIFORM LITHOLOGY; H SOFT TO SEMI-STIFF; D 
MEDIUM DEFORMATION; U PEBBLES 2-0%, QUARTZ PEBBLES AT 20/119CM, DIAMICTITE 
PEBBLES AT 25/120/129 CM, GABBRO PEBBLE AT 29 CM, GRANITE PEBBLES AT 
32/106/134 CM, SANDSTONE PEBBLES AT 35/127 CM, BASALT PEBBLE AT 59 CM, 
QUARTZITE PEBBLE AT 85 CM, SILTSTONE PEBBLES AT 90/104/118/136/142 CM, 
ROCK PEBBLES AT 106/111 CM; M QUARTZ;Z 33213000.2220 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    15.05/   15.50
Hole: 273   Depth to Top of Core(m)      :    14.00
Core:   3   Depth Top/Bottom Interval(mm): 1050/1500
Sect:  1
 
Visual Text Description:
 SILTY CLAY; C -DARK GREENISH GRAY, -GRAY; D MODERATE DEFORMATION; H SOFT; 
U PEBBLES LESS THAN 1%, DIORITE? PEBBLE AT 121 CM, DIAMICTITE PEBBLE AT 
129 CM,QUARTZ PEBBLE AT 141 CM; M QUARTZ;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    15.60/   15.60
Hole: 273   Depth to Top of Core(m)      :    14.00
Core:   3   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 DIATOM BEARING SILTY CLAY; C -DARK GREENISH GRAY;H SOFT; U ULTRAMAFIC 
PEBBLE;Z 33213000.2220 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    24.41/   25.00
Hole: 273   Depth to Top of Core(m)      :    23.50
Core:   4   Depth Top/Bottom Interval(mm):  910/1500
Sect:  1
 
Visual Text Description:
 SILTY CLAY; C -DARK GREENISH GRAY, -LIGHT GRAY; SNO BEDDING VISIBLE; H 
SOFT,SOME SLIGHTLY HARDER ROUNDED BLEBS; D POSSIBLY BRECCIATED(SOME 
SLIGHTLY HARDER ROUNDED BLEBS) 91-120 CM, MODERATE DEFORMATION THROUGHOUT; 
S NO BEDDING VISIBLE; U PEBBLES 1%, DIAMICTITE PEBBLE AT 93 CM, QUARTZITE 
PEBBLE AT 100 CM, VOLCANIC PEBBLES AT 120/124 CM;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    25.00/   26.50
Hole: 273   Depth to Top of Core(m)      :    23.50
Core:   4   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 SILTY CLAY; C -DARK GREENISH GRAY, -LIGHT GREEN, -DARK GRAY; H SEMI-STIFF;
 S NO BEDDING VISIBLE; D DRILLING BRECCIA 0-25 CM, MODERATE TO STRONG 
DEFORMATION 25-150 CM; U PEBBLES 2-3%, LEUCOGRANITE PEBBLE AT4 CM, 
DIAMICTITE PEBBLES AT 8/97/105/119 CM, ARGILLITE PEBBLES AT 18/39 CM, 
VOLCANIC PEBBLES AT 42/59/80/112 CM, GABBRO PEBBLE AT 49 CM, QUARTZITE 
PEBBLES AT 69/90 CM, GRANITE PEBBLE AT 87 CM, SILTSTONE PEBBLES AT 123/126 
CM;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    26.60/   26.60
Hole: 273   Depth to Top of Core(m)      :    23.50
Core:   4   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 SILTY CLAY; C -DARK GREENISH GRAY; H SOFT TO SEMI-STIFF; U PEBBLY;Z 
33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    33.35/   33.46
Hole: 273   Depth to Top of Core(m)      :    33.00
Core:   5   Depth Top/Bottom Interval(mm):  350/ 460
Sect:  1
 
Visual Text Description:
 SILTY CLAY;C -DARK GREENISH GRAY; H SEMI-STIFF; UPEBBLES LESS THAN 1%, 
SANDSTONE PEBBLE AT 43 CM; S SHARP BUT IRREGULAR BASAL CONTACT; D MODERATE 
DEFORMATION;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    33.46/   33.59
Hole: 273   Depth to Top of Core(m)      :    33.00
Core:   5   Depth Top/Bottom Interval(mm):  460/ 590
Sect:  1
 
Visual Text Description:
 DIATOM SILTY CLAY; C -GRAYISH OLIVE GREEN, -GRAY;H SEMI-STIFF; D MODERATE 
DEFORMATION; U PEBBLES, QUARTZITE PEBBLE AT 59 CM; S KNIFE-EDGE BASAL 
CONTACT,SUGGESTION OF GRADING?;Z 33213000.2220 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    33.59/   33.67
Hole: 273   Depth to Top of Core(m)      :    33.00
Core:   5   Depth Top/Bottom Interval(mm):  590/ 670
Sect:  1
 
Visual Text Description:
 SILTY CLAY; C 5B4/1-BLUISH GRAY; H STIFF; U PEBBLES LESS THAN 1%; D 
MODERATE DEFORMATION; S SHARP BASAL BOUNDARY;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    33.67/   34.00
Hole: 273   Depth to Top of Core(m)      :    33.00
Core:   5   Depth Top/Bottom Interval(mm):  670/1000
Sect:  1
 
Visual Text Description:
 DIATOM SILTY CLAY, DIATOM SPICULE RICH SILT; C -GRAYISH OLIVE GREEN, 
5GY4/1-DARK GREENISH GRAY, -GRAY;O GRAYISH OLIVE GREEN DIATOM SILTY CLAY 
PASSING GRADUALLY DOWN INTO DARK GREENISH GRAY DIATOM SPICULE RICH SILT; D 
MODERATE DEFORMATION; H STIFF; S GRADED ?; U PEBBLES 25%, LARGE GRANITE 
COBBLE 78-84 CM;U GABBRO PEBBLE AT 97CM,BASALT PEBBLE AT 98 CM;Z 
33213000.2220 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    34.00/   34.20
Hole: 273   Depth to Top of Core(m)      :    33.00
Core:   5   Depth Top/Bottom Interval(mm): 1000/1200
Sect:  1
 
Visual Text Description:
 COBBLES; D DRILLING BRECCIA; U THREE DRILLED QUARTZ DIORITE PEBBLES;H 
HARD;Z 33239000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    34.20/   34.50
Hole: 273   Depth to Top of Core(m)      :    33.00
Core:   5   Depth Top/Bottom Interval(mm): 1200/1500
Sect:  1
 
Visual Text Description:
 CLAY; C 5Y2/1-OLIVE BLACK; D MODERATE DEFORMATION120-137 CM, DRILLING 
BRECCIA 137-150 CM; U RARE PEBBLES, QUARTZ PEBBLE AT 126 CM, GRANITE 
PEBBLES AT 131/142 CM, QUARTZ DIORITE PEBBLE AT 142 CM;H STIFF;Z 33211000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    34.60/   34.60
Hole: 273   Depth to Top of Core(m)      :    33.00
Core:   5   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 SILTY CLAY; C 5GY3/1-DARK GREENISH GRAY, -GREENISH BLACK; H STIFF; U 
PEBBLES;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    43.56/   44.00
Hole: 273   Depth to Top of Core(m)      :    42.50
Core:   6   Depth Top/Bottom Interval(mm): 1060/1500
Sect:  1
 
Visual Text Description:
 SILTY CLAY; C -OLIVE BLACK; S NO BEDDING VISIBLE;D MODERATE DEFORMATION 
106-143 CM, DRILLING BRECCIA143-150 CM; H STIFF TO SEMI-LITHIFIED; U 
PEBBLES LESS THAN 1%, SANDSTONE PEBBLE AT 135 CM, QUARTZITE PEBBLE AT 138 
CM; O BROKEN CORE FRAGMENTS;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    44.00/   45.50
Hole: 273   Depth to Top of Core(m)      :    42.50
Core:   6   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 SILTY CLAY; C 5Y2/1-OLIVE BLACK, -LIGHT GRAY; S NO BEDDING 
VISIBLE-UNIFORM; D MODERATE DEFORMATION; HSEMI-LITHIFIED; U PEBBLES LESS 
THAN 1%, QUARTZ DIORITE PEBBLES AT 23/142 CM, DIABASE ? PEBBLE AT 69 CM,
QUARTZ PEBBLE AT 109 CM, ARGILLITE PEBBLES AT 110/148 CM;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    45.60/   45.60
Hole: 273   Depth to Top of Core(m)      :    42.50
Core:   6   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 SILTY CLAY; H STIFF; C N3-DARK GRAY; O CALCAREOUS;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    53.00/   53.50
Hole: 273   Depth to Top of Core(m)      :    52.00
Core:   7   Depth Top/Bottom Interval(mm): 1000/1500
Sect:  1
 
Visual Text Description:
 SILTY CLAY; C -OLIVE BLACK, -LIGHT BROWN; S NO BEDDING VISIBLE; D 
MODERATE DEFORMATION; H SEMI-LITHIFIED; O CORE BROKEN INTO COHERENT 
FRAGMENTS, SLIGHTLYCALCAREOUS; U ABUNDANT FINE BLACK GRAINS AND GRANULES, 
PEBBLES LESS THAN 1%, QUARTZ PEBBLE AT 115 CM, SANDSTONE PEBBLE AT 137 CM;
Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    53.50/   53.73
Hole: 273   Depth to Top of Core(m)      :    52.00
Core:   7   Depth Top/Bottom Interval(mm):   00/ 230
Sect:  2
 
Visual Text Description:
 SILTY CLAY; H SEMI-LITHIFIED; U GNEISS PEBBLE AT 10 CM; D MODERATE 
DEFORMATION;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    53.73/   53.84
Hole: 273   Depth to Top of Core(m)      :    52.00
Core:   7   Depth Top/Bottom Interval(mm):  230/ 340
Sect:  2
 
Visual Text Description:
 MICARB SILTY CLAY; C -DARK GREENISH GRAY; D MODERATE DEFORMATION; H VERY 
HARD LAYER, BRITTLE;Z 33213000.1110 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    53.84/   55.00
Hole: 273   Depth to Top of Core(m)      :    52.00
Core:   7   Depth Top/Bottom Interval(mm):  340/1500
Sect:  2
 
Visual Text Description:
 SILTY CLAY; C 5Y2/1-OLIVE BLACK; H SEMI-LITHIFIED(CUT BY BAND SAW); S 
VERY FAINT BEDDING TRACES DISCERNIBLE; D SLIGHT DEFORMATION; U PEBBLES 
LESS THAN 1%, DIABASE PEBBLES AT 46/120 CM, QUARTZ PEBBLE AT 52 CM, QUARTZ 
DIORITE PEBBLE AT 140 CM;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    55.00/   56.50
Hole: 273   Depth to Top of Core(m)      :    52.00
Core:   7   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 SILTY CLAY; C -OLIVE BLACK; H SEMI-LITHIFIED; O SLIGHTLY CALCAREOUS, VERY 
SIMILAR TO 7-2; D SLIGHT DEFORMATION; S VERY FAINT BEDDING?- +/- 2CM THICK 
INTERVALS BELOW 50 CM SHOW SLIGHT HARDNESS DIFFERENCES AND FAINT COLOR 
DIFFERENCES; U PEBBLES AND GRANULES 1%, DIAMICTITE PEBBLE AT 15, DIABASE 
PEBBLES AT 14/30CM, QUARTZ PEBBLES AT 29/59 CM, QUARTZ DIORITE PEBBLES AT 
40/45/91/125 CM, ARGILLITE PEBBLE AT 139 CM;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    56.50/   58.00
Hole: 273   Depth to Top of Core(m)      :    52.00
Core:   7   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 SILTY CLAY; C -DARK GREENISH GRAY, -VIOLET, -WHITE, -DARK GRAY; D SLIGHT 
DEFORMATION THROUGHT, SLIGHTBRECCIATION AT 20/75 CM AREAS; H 
SEMI-LITHIFIED; S SLIGHT DIFFERENTIAL HARDNESS MAY REPRESENT 
BEDDING-NOTHING OTHERWISE; O SLIGHTLY CALCAREOUS; U PEBBLES MUCH LESS THAN 
1%, QUARTZITE PEBBLE AT 20 CM, QUARTZ PEBBLE AT 71 CM, QUARTZ DIORITE 
PEBBLES AT 77/129 CM;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    58.10/   58.10
Hole: 273   Depth to Top of Core(m)      :    52.00
Core:   7   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 SILTY CLAY; C 5GY4/1-DARK GREENISH GRAY; H SEMI-LITHIFIED, BRITTLE; O 
FRACTURED;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    62.41/   62.55
Hole: 273   Depth to Top of Core(m)      :    61.50
Core:   8   Depth Top/Bottom Interval(mm):  910/1050
Sect:  1
 
Visual Text Description:
 CLAY; C -OLIVE BLACK; D MODERATE DEFORMATION; S SUGGESTION OF FAINT 
LAMINAE, OLD EROSION SURFACE?(RARE PEBBLES ON SLIGHTLY IRREGULAR 
SURFACE)-OLIVEGRAY CLAY BELOW; C -OLIVE GRAY; U PEBBLES AND GRANULES LESS 
THAN 1%; H SEMI-LITHIFIED;Z 33211000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    62.60/   63.00
Hole: 273   Depth to Top of Core(m)      :    61.50
Core:   8   Depth Top/Bottom Interval(mm): 1100/1500
Sect:  1
 
Visual Text Description:
 MICARB SILTY CLAY; C -DARK GREENISH GRAY; H SEMI-LITHIFIED; D SLIGHT 
DEFORMATION; U ABUNDANT DARK GRANULES AND SMALL ANGULAR PEBBLES (5-7%), 
GRANITE PEBBLES AT 122/131 CM, ROCK PEBBLES AT 124/128/129 CM, ARGILLITE 
PEBBLE ? AT 134 CM;Z 33213000.1110 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    63.00/   64.50
Hole: 273   Depth to Top of Core(m)      :    61.50
Core:   8   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 DIATOM BEARING SILTY CLAY; C -DARK GREENISH GRAY,-WHITE, -GRAY; D SLIGHT 
DEFORMATION 0-145 CM, DRILLING BRECCIA 145-150 CM; H SEMI-LITHIFIED; O 
CORE SPLIT INTO BROKEN FRAGS-MOSTLY OF WHOLE CORE DIAMETER; S MASSIVE, 
FISSILE 47-77 CM; U GRANULES ABUNDANT, NOPEBBLES 44-77 CM, DIORITE PEBBLE 
AT 15 CM, ARGILLITE PEBBLE AT 35 CM, DOLERITE PEBBLES AT 54/104 CM, QUARTZ 
PEBBLE AT 98 CM, SANDSTONE PEBBLE AT 108 CM, QUARTZITE PEBBLES AT 119/121 
CM, LESS THAN 1% PEBBLES AND GRANULES 0-45 AND 77-150 CM;Z 33213000.2220 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    64.50/   66.00
Hole: 273   Depth to Top of Core(m)      :    61.50
Core:   8   Depth Top/Bottom Interval(mm):   00/1500
Sect:  3
 
Visual Text Description:
 SILTY CLAY; C -DARK GREENISH GRAY, -GRAY, -BROWN,-OLIVE BLACK; D SLIGHT 
DEFORMATION; H SEMI-LITHIFIED;S FISSILE ZONES 20-23/70-75 CM, NO REAL 
SIGNS OF BEDDING-FISSILE INTERVALS MAY BE LESS CONFIDENT; U ABUNDANT 
ANGULAR GRANULES (3% AVERAGE), GABBRO PEBBLE AT 0 CM, SANDSTONE PEBBLES AT 
18/38/73 CM, DIORITE PEBBLE AT 25 CM; S MASSIVE;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    66.00/   67.50
Hole: 273   Depth to Top of Core(m)      :    61.50
Core:   8   Depth Top/Bottom Interval(mm):   00/1500
Sect:  4
 
Visual Text Description:
 SILTY CLAY; C N3-DARK GRAY, 5GY4/1, -DARKER GRAY;S DARKER GRAY 2MM THICK 
LAMINAE ABOUT 2 CM APART SEPARATED BY RATHER GRITTY LOOKING INTERVALS 
125-140 CM//GRADING IN INTERBEDS BUT NOT CONSISTENT//DARKER FINE LAMINAE 
--APPROX 2 CM LAMINAE HAVE SHARP BASES; D CORE BROKEN INTO FRAGMENTS- 
OTHERWISE UNDEFORMED; H SEMILITHIFIED;U NO PEBBLES AT 130 TO 150CM, 
ARGILLITE PEBBLES 7/108 CM, QUARTZ DIORITE PEBBLES 10/18 CM, DIABASE 
PEBBLE AT 15 CM, GNEISS ? PEBBLE AT 30 CM, LEUCOGRANITE PEBBLES AT 
55/75/85 CM, SULFIDE PEBBLE AT 130 CM; O SILTY CLAY IS DARK GRAY WITH 
GREENISHTINGE-MORE GRAY THAN 5GY4/1;Z 33214000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    67.60/   67.60
Hole: 273   Depth to Top of Core(m)      :    61.50
Core:   8   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 CLAY; C -OLIVE BLACK, -DARK GREENISH GRAY; S LOWER PART OF CC SHOWS 
DISTINCT FINE BEDDING-EMPHASIZED BY NETWORK ? OF FINE HAIR-LIKE ?CALCITE 
VEINS WHICH HAVE A PREFERRED ORIENTATION PARALLEL TO BEDDING DIRECTION; M 
CALCITE; O OLIVE BLACK ABOVE-DARK GREENISHGRAY BELOW;H FIRM;Z 33211000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    71.13/   71.32
Hole: 273   Depth to Top of Core(m)      :    71.00
Core:   9   Depth Top/Bottom Interval(mm):  130/ 320
Sect:  1
 
Visual Text Description:
 DIATOM BEARING SILTY CLAY; S DARK FINE BED AT 21-22 CM-GRADED TOP BEDDED 
INTERVAL--BEDS DIP 8-10 DEGREES TO CORE AXIS, VERY THIN 1-2 MM INDISTINCT 
DARK SILTY LAMINAE; U NO GRANULES; H SEMILITHIFIED ?;Z 33213000.2220 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    71.32/   72.50
Hole: 273   Depth to Top of Core(m)      :    71.00
Core:   9   Depth Top/Bottom Interval(mm):  320/1500
Sect:  1
 
Visual Text Description:
 SILTY CLAY; C 5GY4/1-DARK GREENISH GRAY; S NO BEDDING 103-150 CM, FAINT 
MOTTLING 92-103 CM, VERY FAINT TRACE BEDDING ? IRREGULAR ?SILTY DARK 
LAMINAE - RARELY CONTINUOUS 32-92 CM; H SEMI-LITHIFIED; U GRANULES 1-2% 
THROUGHOUT-SOME LOCAL CONCENTRATIONS HIGHER, PEBBLES LESS THAN 1%, SULFIDE 
ROCK AT 40 CM, QUARTZ DIORITE PEBBLES AT 42/105/106 CM, ARGILLITE PEBBLEAT 
54 CM, GRANITIC PEBBLE AT 107 CM, QUARTZITE PEBBLE AT 109 CM, DOLERITE 
PEBBLE AT 115 CM;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    72.50/   74.00
Hole: 273   Depth to Top of Core(m)      :    71.00
Core:   9   Depth Top/Bottom Interval(mm):   00/1500
Sect:  2
 
Visual Text Description:
 SILTY CLAY; C -DARK GREENISH GRAY; H SEMI-LITHIFIED; S THIN (2-3MM) DARK 
BANDS 2-6 CM APART IN BOTTOM10 CM-- MOST(BUT NOT ALL) ARE BOWED DOWN AT 
CONE EDGES, DARK BANDS AT 64 AND 74 CM; U GRANULES ARE PRESENT THROUGHOUT 
AS 1-2% AND SHOW NO PREFERENTIAL CONCENTRATION, PEBBLES LESS THAN 1% 
THROUGHOUT, GABBRO PEBBLE AT 54 CM, ARGILLITE PEBBLES AT 75/80/83/84/85 CM,
 QUARTZITE PEBBLE AT 113 CM, QUARTZ DIORITE PEBBLE AT 117 CM, VOLCANIC 
PEBBLE AT 125 CM;Z 33213000 
 
 
Leg : 28    Depth Top/Bottom of Layer(m) :    74.10/   74.10
Hole: 273   Depth to Top of Core(m)      :    71.00
Core:   9   Depth Top/Bottom Interval(mm):    0/   0
Sect: CC
 
Visual Text Description:
 SILTY CLAY; C -DARK GREENISH GRAY, -OLIVE BLACK;H FIRM;Z 33213000 
 
 
    

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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