Leg : 57 Depth Top/Bottom of Layer(m) : 571.50/ 573.00
Hole: 438B Depth to Top of Core(m) : 571.50
Core: 1 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
MAL SILTY CLAY;C -OLIVE GREY;D DRILLING BRECCIA;H SOUP;Z 33213000
Leg : 57 Depth Top/Bottom of Layer(m) : 573.00/ 574.50
Hole: 438B Depth to Top of Core(m) : 571.50
Core: 1 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
MAL SILTY CLAY;C -OL.GREY;D DRILLING BRECCIA;H SOUP;Z 33213000
Leg : 57 Depth Top/Bottom of Layer(m) : 574.50/ 576.00
Hole: 438B Depth to Top of Core(m) : 571.50
Core: 1 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
MAL SILTY CLAY;C -OL.GREY;S 10-30 CM VOID,BIOTURB. OL.GRAY CLAYSTONE
90-105 CM;D DRILLING BRECCIA;H SOUP;Z 33213000
Leg : 57 Depth Top/Bottom of Layer(m) : 576.00/ 576.46
Hole: 438B Depth to Top of Core(m) : 571.50
Core: 1 Depth Top/Bottom Interval(mm): 00/ 460
Sect: 4
Visual Text Description:
MAL SILTY CLAY;C -OL.GREY;D DRILLING BRECCIA;H SOUP;Z 33213000
Leg : 57 Depth Top/Bottom of Layer(m) : 576.56/ 576.56
Hole: 438B Depth to Top of Core(m) : 571.50
Core: 1 Depth Top/Bottom Interval(mm): 00/ 100
Sect: CC
Visual Text Description:
MAL SILTY CLAY;C -OL.GREY;D DRILLING BRECCIA;H SOUP;Z 33213000
Leg : 57 Depth Top/Bottom of Layer(m) : 661.50/ 663.00
Hole: 438B Depth to Top of Core(m) : 661.50
Core: 2 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
MAL CLAY;C -OL.GRAY;D DRILLING SOUP;H SOUP, WELL-STIRRED;Z 33211000
Leg : 57 Depth Top/Bottom of Layer(m) : 663.00/ 664.50
Hole: 438B Depth to Top of Core(m) : 661.50
Core: 2 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
MAL CLAY;C -OL.GREY;D DRLG. BRECCIA;H SOUP, WELL-STIRRED;Z 33211000
Leg : 57 Depth Top/Bottom of Layer(m) : 664.50/ 666.00
Hole: 438B Depth to Top of Core(m) : 661.50
Core: 2 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
MAL CLAY;C -OL.GREY;D DRLG. BRECCIA;H SOUP, WELL-STIRRED;Z 33211000
Leg : 57 Depth Top/Bottom of Layer(m) : 666.00/ 667.50
Hole: 438B Depth to Top of Core(m) : 661.50
Core: 2 Depth Top/Bottom Interval(mm): 00/1500
Sect: 4
Visual Text Description:
MAL CLAY;C -OL.GREY;D DRLG. BRECCIA;H SOUP, WELL-STIRRED;Z 33211000
Leg : 57 Depth Top/Bottom of Layer(m) : 667.50/ 667.86
Hole: 438B Depth to Top of Core(m) : 661.50
Core: 2 Depth Top/Bottom Interval(mm): 00/ 360
Sect: 5
Visual Text Description:
MAL CLAY;C -OL.GREY;D DRLG. BRECCIA;H SOUP, WELL-STIRRED;Z 33211000
Leg : 57 Depth Top/Bottom of Layer(m) : 667.96/ 667.91
Hole: 438B Depth to Top of Core(m) : 661.50
Core: 2 Depth Top/Bottom Interval(mm): 00/ 50
Sect: CC
Visual Text Description:
MAL CLAY;C -OL.GREY;D DRLG. BRECCIA;H SOUP, WELL-STIRRED;Z 33211000
Leg : 57 Depth Top/Bottom of Layer(m) : 786.00/ 787.50
Hole: 438B Depth to Top of Core(m) : 786.00
Core: 3 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
MAL MOD. MOTTLED DIATOMACEOUS CLAYSTONE;C 10Y4/2-GRYSH OL.,-BLUE GREY;S
SOME INTERVALS OF LT.COLOREDBURROW-MOTTLING WHICH IS TOTALLY CACO3
UNSPECIFIED(REXSTALLIZED) AND VERY-WELL CEMENTED,54-55 CM LT.MOTTLE
(CEMENTED),72-74 CM SMALL BLUE-GREY CALC.BURROW-FILLING (HARD)
DIFFERENTIAL CEMENTATION,95-106 CM LT.COLORED CALC. BURROW-FILLING;D
MODERATE DEF.;M CACO3 BURROW-MOTTLING COULD HAVE BEENORIGINALLY LT.COLORED
CACO3 LAYERS WHICH HAVE BEENBURROW-MIXED;P DIATOMS;Z 33231000.2220
Leg : 57 Depth Top/Bottom of Layer(m) : 787.50/ 789.00
Hole: 438B Depth to Top of Core(m) : 786.00
Core: 3 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
MAL DIATOMACEOUS CLAYSTONE;C 10Y4/2-GRYISH OL.,10Y3/2-DK.GRYISH OL.,
-DK.GRY;S MOD. BURROW-MOTTLED,31-47 CM FLUID ESCAPE VEINS (?)--DK.GRY
IRREG. VEINING,LT.COLORED BURROWED INTERVAL (CEMENTED CACO3) AT 95-100
113-115 AND 130-134 CM,100-105 CM LGR. DKER-COLORED INTERVAL W/DK.GRY
BOUNDARY AT BOTTOM (ALSO BURROW-MOTTLED),122-126 CM LT-DARK CONCENTRIC
PATTERN INCACO3 CONCRETION (3.5 CM DIA),125-150 CM HACKLYFRACTURE IN
CORE--MOSTLY VERT. ORIENTATION (PROB.DRLG. DISTURB.),OVERALL 10Y4/2-3/2
COLOR;D SLI. TONO DEF.,FRACT. 125-150 CM PROB. DRLG. DISTURB;M CACO3;P
DIATOMS;Z 33231000.2220
Leg : 57 Depth Top/Bottom of Layer(m) : 789.00/ 789.37
Hole: 438B Depth to Top of Core(m) : 786.00
Core: 3 Depth Top/Bottom Interval(mm): 00/ 370
Sect: 3
Visual Text Description:
MAL DIATOMACEOUSLY CLAYSTONE;C 10Y4/2-GRYSH OL.,10Y3/2-DK.GRYSH OL.;S
MOD. BURROW-MOTTLED,HACKLY FRACTURE(DRILLING INDUCED?) ON CORE (MOSTLY
VERT.) AT 20-34CM,34-37 CM VOID;D UNDEF.;P DIATOMS;Z 33231000.2220
Leg : 57 Depth Top/Bottom of Layer(m) : 853.47/ 854.80
Hole: 438B Depth to Top of Core(m) : 853.30
Core: 4 Depth Top/Bottom Interval(mm): 170/1500
Sect: 1
Visual Text Description:
KL DIATOMACEOUS CLAYSTONE;C 5GY3/2-GRYSH OL.GRN,-BRN,-BLK,
5B7/1-LT.BLUISH GRY;S COLOR: 5GY3/2,INTENSEBURROWING,DARK AND FINER BED AT
23 CM,BROWN SPOTS AT 30 AND 35 CM,SEDIMENTARY SILL? CLEARER SED. W/BLACK
RIM AT 37-43 CM,DARKER BED AT 45 CM,FRACTURE VERT.45-76 CM (DEWATERING OR
TECTONIC?),REMAINS OF 5B7/1ASH LAYER (SILT-GRAINED AND PROBABLY WASHED) AT
76CM,DEWATERING FRACT. 110-120 CM,0-17 + 76-80 + 102-108 CM VOID;D SLI.
DEF. 17-76 + 90-102 + 108-145 CM,SOUPY 80-90 AND 145-150 CM;M BLK RIM ON
SED. SILL IS GLAUC. OR PYRITE (AT 40 CM);P DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 854.80/ 856.30
Hole: 438B Depth to Top of Core(m) : 853.30
Core: 4 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
EL DIATOMACEOUS CLAYSTONE;C 5GY3/2,5GY5/2,-BLK,5G3/2;S 5GY3/2 CLYSTN
W/PATTERNS OF 5GY5/2,EXTENSIVELYBIOTURBATED--PARTLY HAS BLK MARGINS +
GREENISH MARG.SURROUNDING (SP?),5GY5/2 SPOTS AT 28 + 45 + 50-55CM,SPOT AT
45 CM IS 2 CM DIA W/2 MM THICK BLK MARGIN,AT 70-72 CM 5G3/2 MARGIN AROUND
SPOT (2-4 MM THICK);D SOUPY 0-30 CM,SLI. DEF. 30-150 CM;M 5G3/2 SPOT(70-72
CM) MAY BE GLAUCONITIZED;P 23% DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 856.30/ 857.80
Hole: 438B Depth to Top of Core(m) : 853.30
Core: 4 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
EL DIATOMACEOUS CLAYSTONE;C 5GY3/2,5GY5/2,10GY3/2,-BLK,5G5/2-GRYSH GRN,
5GY7/2;S EXTENSIVE BIOTURBATION,5GY3/2 W/MIXTURES OF 5GY5/2 + 10GY3/2,
MINOR FAULTSAT 6-14 AND 27-29 CM (SLANT LEFT TO RIGHT),THIN (1-3 MM) BLK
BED AT 31 CM,5G5/2 POCKETS AT 93 + 134-135+ 142 CM,MANY SMALL POCKETS OF
5GY7/2 (1-2 MM DIA)127-148 CM;D SLI.DEF.;P 8% DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 858.01/ 859.30
Hole: 438B Depth to Top of Core(m) : 853.30
Core: 4 Depth Top/Bottom Interval(mm): 210/1500
Sect: 4
Visual Text Description:
KL DIATOMACEOUS CLAYSTONE;C 5GY3/2-GRYSH OL.GRN,10GY3/2-DSKY YELLOWISH
GRN,-BLK;S 0-21 CM VOID,5GY3/2 EXTENSIVELY BIOTURBATED WITH 10GY3/2 SPOTS
+5GY5/2,BLK BURROW AT 33 CM,DEWATERING FRACTURE 21-36 CM (SLANTING RIGHT
TO LEFT),(VERY) SMALL 1.5 MM DIA WORM BURROWS AT 45-50 CM,69-78 CM VOID,
BIG BIOTURB. POCKET 123-128 CM;D SLIGHT DEFORM. 21-69 CM,MOD.DEFORM.
120-150 CM,MAINLY DRILLING BRECCIA 78-120 CM;P DIATOMS;O DETAIL
DESCRIPTION IS IMPOSSIBLE.ALLTHE SEDIMENT IS VERY BURROWED AND MOTTLED;Z
33233000.3450.3311
Leg : 57 Depth Top/Bottom of Layer(m) : 859.30/ 860.80
Hole: 438B Depth to Top of Core(m) : 853.30
Core: 4 Depth Top/Bottom Interval(mm): 00/1500
Sect: 5
Visual Text Description:
KL DIATOMACEOUS CLAYSTONE;C 5GY3/2,-BLK;S RATHERHOMOGENEOUS,INTENSIVELY
BIOTURBATED,15-21 CM FRACT.(RT.TO LEFT)--NO OFFSET,INTENSE
BIOTURBATION--MAINLY HORIZONTAL 35-50 CM,BLK SPOT AT 85 CM,1 CM
DIAUNDULATED DK. LAYER AT 103-105 AND 120-123 CM,SMALL(3 MM DIA)
BIOTURBATIONS 132-135 CM;D SLI. TO MOD.DEF. 0-35 AND 50-150 CM,HIGH. DEF.
35-50 CM;P 15%DIATOMS;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 860.90/ 861.90
Hole: 438B Depth to Top of Core(m) : 853.30
Core: 4 Depth Top/Bottom Interval(mm): 100/1100
Sect: 6
Visual Text Description:
EL DIATOMACEOUS CLAYSTONE;C 5GY3/2,5GY7/2,5GY5/2,-BLK;S 5GY7/2 W/MINOR
BIOTURBATED 5GY7/2 AND 5GY5/2POCKETS (1-3 MM THICK),EXTENSIVE BIOTURBATION,
0-10CM VOID,BLK. FRACTURE (VERTICALLY--CURVING AT TOPAND BOTTOM TO RT.
SIDE) AT 42-68 CM,BLK. MARGINSURROUNDING BIOTURBATION 80-83 CM;D SLI. DEF;
P DIATOMS;O 110-140 CM O.G. SPLE,140-150 CM I.W.
Leg : 57 Depth Top/Bottom of Layer(m) : 862.30/ 863.68
Hole: 438B Depth to Top of Core(m) : 853.30
Core: 4 Depth Top/Bottom Interval(mm): 00/1380
Sect: 7
Visual Text Description:
KL DIATOMACEOUS CLAYSTONE;C 5G3/2-DSKY GRN,5GY5/2-DKY YEL.GRN;S STRONGLY
5GY3/2 BURROWED (2 OR 1 MM DIA)5GY3/2 SEDIMENT,DARKER 5G3/2 SPOTS (ALSO
BURROWED)AT 6-10 AND 20-22 CM,DARKER LAYER AT 68 CM,HORIZ.DARKER LAYER AT
128 CM;D UNDEF. 85-138 CM,SLI. DEF.0-70 CM,SOUPY 70-85 CM;P DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 863.78/ 863.89
Hole: 438B Depth to Top of Core(m) : 853.30
Core: 4 Depth Top/Bottom Interval(mm): 00/ 210
Sect: CC
Visual Text Description:
KL DIATOMACEOUS CLAYSTONE;C 5G3/2;S EXTENSIVE BIOTURB;D DRILLING BRECCIA;
P DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 862.70/ 864.00
Hole: 438B Depth to Top of Core(m) : 862.70
Core: 5 Depth Top/Bottom Interval(mm): 00/1300
Sect: 1
Visual Text Description:
EL DIATOMACEOUS CLAYSTONE;C 5GY3/2,5GY5/2,-BLK;S 5GY3/2 WITH 5GY5/2
POCKETS (APPARENTLY SHOWSMIXTURE OF 3/2 AND 5/2),VERT. BLK. VEINS 15-25 CM,
BURROW. OFFSET BY FAULT AT 36 CM,MINOR VERT. FAULT35-50 CM,VERT. BLK. TUFF
VEIN AT 32-50 CM--MIGHT BEDISTURBED AFTER DEPOSITION BY BIOTURB. AND
WATERRELEASE STRUCTURE,MINOR FAULT 106-116 CM (RT.TO LFT),SMALL POCKETS
(SCATTERED) OF ALMOST GRAIN SIZED DIA TUFF 118-128 CM,EXTENSIVE
BIOTURBATION;D SOUPY 0-15 AND 82-93 CM,REST SLI. DEF.;M TUFF;P 10% DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 864.10/ 864.20
Hole: 438B Depth to Top of Core(m) : 862.70
Core: 5 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
EL DIATOMACEOUS CLAYSTONE;C 5GY3/2,-BLK,10GY3/2-DUSKY YELLOWISH GREEN;S
5GY3/2 DIAT. CLYSTN,10GY3/2POCKET AT 2-5 CM (MAY BE GLAUCONTIZED);D SOUPY
7-12CM,REST SLI. DEF.;U BLK. SPOTS MAY BE GRAINS OF TUFF (12-20 CM);M TUFF,
GLAUCONTIZED SED.;P DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 872.10/ 873.60
Hole: 438B Depth to Top of Core(m) : 872.10
Core: 6 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
KL DIATOMACEOUS CLAYSTONE;C 5GY3/2,-BLK,-DK.YELWSH OR;S 0-15 CM DRLG.
MUD,15-50 CM 5GY3/2 DIAT. CLYSTNW/BLK. GRAINS THROUGHOUT,BLK SPOTS AT 75
CM,50-68 CM VOID,68-150 CM 5GY3/2 DIAT. CLYSTN,SMALL FRACTURES78-86 CM
(LEFT TO RT),120-150 CM MOD. BURROWING WITH SOME DK.YEL.ORANGE BURROWS;D
DRILLING BRECCIA 0-15CM,REST HIGH. DEF.,DRILLING BISCUITS 90-125 CM;U NO
HCL EFFERVESCENCE 0-50 CM,DK.YEL.OR. BURROWSPROBABLE EFF. W/HCL (SEE
SECT.2);P 10% DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 873.60/ 875.10
Hole: 438B Depth to Top of Core(m) : 872.10
Core: 6 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
KL DIATOMACEOUS CLAYSTONE;C 5B5/1-MED.BLUISHGRY,10YR6/6-DK.YEL.OR.,-BLK,
5GY3/2-GRYSH OL.GRN;S 22-50 CM VOID,MOD. BIOTURB. 5GY3/2 DIAT. CLYSTN,2CM
(VERT.) X 1CM (HORIZ.) 5B5/1 ASH POCKET AT 65 CM,AT 80 CM: FAULT MIRROR
(SLICKENSIDE)--45 DEGREEPITCH (SEE FORM FOR DETAILED PICTURES),80-100
CMBIOTURB.--BURROWS ARE FILL WITH 10YR6/6 SED. (COMPLICATED
SHAPE--EFFERVESCENCE W/HCL),120-130 CM INTENSE BURROWING;D SOUPY 0-22 +
50-65 + 80-110 + 135-150CM,DRLG BRECCIA 0-22 CM,SLI. DEF. FOR REST;U
SMALLBLK (HB?) GRAINS 140-145 CM;M HB?;P DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 875.10/ 875.53
Hole: 438B Depth to Top of Core(m) : 872.10
Core: 6 Depth Top/Bottom Interval(mm): 00/ 430
Sect: 3
Visual Text Description:
KL DIATOMACEOUS CLAYSTONE;C 5GY3/2-GREYISH OLIVE GRN,-YELLOW;S
MOD.MOTTLED 5GY3/2 CLYSTN,SMALL BURROWSW/YELLOW FILLING 0-5 CM,BLK. GRAINS
IN SED. 15-21 CM,SMALL (VERT.) DEWATERING FRACTURE 25-43 CM;D UNDEF;U
YELLOW BURROWS EFF. IN HCL;P DIATOMS;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 875.63/ 875.73
Hole: 438B Depth to Top of Core(m) : 872.10
Core: 6 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
KL DIATOMACEOUS CLAYSTONE;C 5GY3/2;S SIMILAR AS SECT.3;D DRILLING
BRECCIA;P DIATOMS;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 881.50/ 882.10
Hole: 438B Depth to Top of Core(m) : 881.50
Core: 7 Depth Top/Bottom Interval(mm): 00/ 600
Sect: 1
Visual Text Description:
GWL DRILL CUTTINGS;D DRILL CUTTINGS;H HARD;Z 33233000.2220
Leg : 57 Depth Top/Bottom of Layer(m) : 882.10/ 883.00
Hole: 438B Depth to Top of Core(m) : 881.50
Core: 7 Depth Top/Bottom Interval(mm): 600/1500
Sect: 1
Visual Text Description:
GWL DIATOMACEOUS CLAYSTONE;C 5Y4/2,10YR6/4;S HEALEDDARK-STAINED (VERT.)
FRACTURES (60-67,70-78,80-89,91-98,102-105,106-115 CM),FRACTURE (PREDOM
LEFT TORT) 120-150 CM,10YR6/4 MOTTLES AT 112 CM;D SLI. DEF;M CALCITIC
MOTTLES AT 112 CM;P 10% DIATOMS;H HARD
Leg : 57 Depth Top/Bottom of Layer(m) : 883.00/ 884.50
Hole: 438B Depth to Top of Core(m) : 881.50
Core: 7 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
EL DIATOM. CLAYSTONE;C 5GY3/2-GRYSH.OL.GRN,5GY5/2-DKY.YEL.GRN,
5Y5/2-LT.OL.GRY,5Y3/2-OL.GRY;S 5GY3/2 WITHPOCKETS OF 5GY5/2,EXTENSIVE
BIOTURB.,ALL SHOWPATTERNS OF MICROFRACTURES AND FAULTS,5Y5/2 POCKETAT 59
CM,5Y3/2 POCKET AT 81 CM;D SLI.DEF.;U TUFFPOCKETS (3-10 MM LENGTH + DIA)
AT 87 AND 110 CM;M TUFF;P 8% DIATOMS;O <25% SAND + SILT
Leg : 57 Depth Top/Bottom of Layer(m) : 884.50/ 885.55
Hole: 438B Depth to Top of Core(m) : 881.50
Core: 7 Depth Top/Bottom Interval(mm): 00/1050
Sect: 3
Visual Text Description:
EL DIATOM.CLAYSTONE;C 5GY3/2-GRYSH.OL.GRN,5GY5/2-DSKY YEL.GRN,
10GY3/2-DSKY.YELISH.GRN,5Y5/2-LT.OL.GRY;S EXT. BIOTURB. AND MICROFAULTS
AND FRACTURES,5GY3/2 WITH 5GY5/2 BIOTURB. POCKETS,10GY3/2 POCKET AT 30CM,
5Y5/2 BIOTURBATED POCKET AT 9-10 CM,25% SILT;D SOUPY 0-10 + 40-45 + 70-75
+ 80-82 CM,REST IS SLI.TO MOD. DEF.;P 10% DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 885.65/ 885.65
Hole: 438B Depth to Top of Core(m) : 881.50
Core: 7 Depth Top/Bottom Interval(mm): 00/ 100
Sect: CC
Visual Text Description:
EL DIATOMACEOUS CLAYSTONE;C 5GY3/2-GRYSH OL.GRN;S 10-20 CM VOID;D SOUPY
0-5 CM,SLI. DEF 5-10 CM;P DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 890.90/ 892.33
Hole: 438B Depth to Top of Core(m) : 890.90
Core: 8 Depth Top/Bottom Interval(mm): 00/1430
Sect: 1
Visual Text Description:
GWL CLAYSTONE;C 5Y4/2,5Y6/4;S 2 MM NEAR-VERTICAL 5Y2/1 DEWATERING LAYER
OFFSET 1/2 MM BY HORIZ. FAULTLETS,5Y6/4 CALCAREOUS MOTTLE;D SOUPY;U 2 CM
BIT-ROUNDEDLIMESTONE CLAST;O 15% SILT,CORE IS SMALL IN DIAMETER OWING TO
BIT PROBLEM (4.9 CM);C 5Y2/1
Leg : 57 Depth Top/Bottom of Layer(m) : 892.43/ 892.53
Hole: 438B Depth to Top of Core(m) : 890.90
Core: 8 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
GWL CLAYSTONE;C 5Y4/2;D SOUPY
Leg : 57 Depth Top/Bottom of Layer(m) : 900.30/ 901.60
Hole: 438B Depth to Top of Core(m) : 900.30
Core: 9 Depth Top/Bottom Interval(mm): 00/1300
Sect: 1
Visual Text Description:
GWL CLAYSTONE,SANDSTONE;C 5Y4/2,-GRNSH GRY;S 0-14 CM5Y4/2 CLAYSTONE,
14-130 CM 5Y4/2 MED. TO CRSE. GRAIND POORLY SORTED CLAYEY SANDSTONE,
MOTTLES AT 44 AND 95 CM,130-140 CM VOID,140-150 CM INTERSTITIAL
WATERSAMPLE;D DRILLING BISCUITS;M PUMICE,HORNBLENDE,GRNSH GRY GLASS, AND
PLAGIOCLASE GRAINS PROMINENT INCOARSEST FRACTION;O UNDER BINOCULAR
MICROSCOPE,APPEARS TO BE ABOUT 40% SAND WHICH CAN BE USED TOSUPPLEMENT
SMEAR-SLIDE DETERMINATION OF FINER FRACT
Leg : 57 Depth Top/Bottom of Layer(m) : 901.80/ 902.94
Hole: 438B Depth to Top of Core(m) : 900.30
Core: 9 Depth Top/Bottom Interval(mm): 00/1140
Sect: 2
Visual Text Description:
GWL SANDY,SILTY CLAYSTONE;C 5Y4/2,-WHITE,N2;S 5Y4/2SANDY,SILTY CLYSTN
VERY E.G. WHITE SAND POORLY-SORTD IN CLAY,1 MM N2(WATER-RELEASE
LAYER?)NEAR VERT.(25-60CM RT. TO LEFT),SLI. MOTTLED;D 0-60CM SLI.DEF.,
60-114CM SOUPY-DRILLING BISCUITS;M SAND-SIZE MATERIALIS
GLASS-FELDSPAR-PUMICE;O 114-150 CM VOID;H HARD
Leg : 57 Depth Top/Bottom of Layer(m) : 903.30/ 904.35
Hole: 438B Depth to Top of Core(m) : 900.30
Core: 9 Depth Top/Bottom Interval(mm): 00/1050
Sect: 3
Visual Text Description:
GWL VITRIC COARSE SANDY SILTY CLAY;C 5Y4/2;S 1 CMCALCITE-CEMENTED MOTTLE
AT 20 CM,24-40 CM MOTTLESOR BURROWS CONTAINING COARSE SAND FROM
OVERLYINGLAYER,40-82 CM MOD. MOTTLED AND SOMEWHAT FAULTEDAND BRECCIATED
(SYNSEDIMENTARY) ZONE CONTAINING SOME CRSE GRAINS,82-105 CM 5Y4/2 SANDY
CLAYSTONE;D SLI.DEF;M CLAY CONTAINS ANG. GLASS,HORNBLENDE,BIOTITE(SEE
FUJIOKA COARSE-FRACTION),ALSO CALCITE CEMENT;P 5MM WOOD FRAGMENT AT 88-90
CM;O 0-7CM VOID;H HARD
Leg : 57 Depth Top/Bottom of Layer(m) : 904.45/ 904.55
Hole: 438B Depth to Top of Core(m) : 900.30
Core: 9 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
MAL SILTY CLAYSTONE;C 5Y4/2,5Y4/1-OL.GREY,5Y3/2;S MOSTLY VOID W/2 CHUNKS
AT 5-1I AND 15-18 CM,5Y3/2FOR DARKER PART OF MATRIX,5Y4/2 FOR BURROW
MOTTLES,HIGHLY BURROWED;D SOUPY;U 5Y4/1 SURROUNDED VUGGYCALCITE PEBBLE 2-4
CM;M CALCITE
Leg : 57 Depth Top/Bottom of Layer(m) : 909.70/ 910.04
Hole: 438B Depth to Top of Core(m) : 909.70
Core: 10 Depth Top/Bottom Interval(mm): 00/ 340
Sect: 1
Visual Text Description:
MAL SILTY CLAYSTONE;C 5Y3/2,-BLK;S NO STRUCTURES;D SOUPY;U ANGULAR
CALCAREOUS FRAGMENTS 1-2 CM (POSS.REWORKED FROM BELOW?) AT 15 CM,28-34 CM
BLK. APHANITIC ROUNDED PEBBLES AS WASH IN LINES (MAX 3 CM DIAM)
Leg : 57 Depth Top/Bottom of Layer(m) : 910.14/ 910.12
Hole: 438B Depth to Top of Core(m) : 909.70
Core: 10 Depth Top/Bottom Interval(mm): 00/ 80
Sect: CC
Visual Text Description:
MAL CALCAREOUS SILTY SANDY CLAYSTONE;C 5Y3/2,-YELLOWWHITE;S VERY POORLY
SORTED,ROUNDED (MOSTLY ROUNDED)<2-3 MM,SEVERAL 1 MM WIDE HEALED FRACTURES
W/YELLOW-WHITE CALCITE FILLING,HIGHLY BURROWED,RESEMBLESHARD GROUND,
SECTIONS OF SEDIMENT ARE "MINERALIZED"ON SURFACES BORDERING BURROW TRACES
AND MOTTLES,DARKER RINDS;D UNDEF.;M CALCITE FILLED FRACTURES,DARKER RINDS
GLAUCON. OR PYRITE OR MANGANESE?;P PELECYPOD FRAGMENTS (1.5 CM),SMALL
PELECYPOD (<1CM) AT TOP REMOVED FOR STUDY;O SEE THIN SECTION
Leg : 57 Depth Top/Bottom of Layer(m) : 919.20/ 920.70
Hole: 438B Depth to Top of Core(m) : 919.20
Core: 11 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
MAL SANDY-SILTY CLAYSTONE (VITRIC);C 5Y3/2,5Y4/2,5Y6/2,-WHITE,
N4-MED.DK.GRY;S 0-5 CM VOID,5-2/ CM DARKERSLIGHTLY SANDIER LAYERS,95 CM
LTER COLORED 5Y6/2HARD 1 CM LAYER FAULTED-OUT,110-150 CM HIGHLY
MICRO-FAULTED (NEARLY A BRECCIA) SYNSEDIMENTARY,OFFSET ONBEDS,FAULT PLANES
VERY THIN AND HEALED (NOT CACO3CEMENTED?),N4 SILTY SANDY LAYER AT 120 CM,
DARKER5Y4/2 DIATOM. CLYSTN 131-150 CM;D SOUPY 5-110 CM,SLI TO MOD. DEF
110-150 CM;U FAIRLY ABUNDANT SAND-SIZED WHITE SPECKS WHICH ARE
PUMICE/GLASS FRAGMENTS FORTHE MOST PART,VERY ANGULAR,IRREG. DISTRIBUTED,
SOMECONCENTRATED IN MOTTLES AS IN CORE 9;M PUMICE/GLASSFRAGS;P DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 920.70/ 921.42
Hole: 438B Depth to Top of Core(m) : 919.20
Core: 11 Depth Top/Bottom Interval(mm): 00/ 720
Sect: 2
Visual Text Description:
MAL DIATOMACEOUS CLAYSTONE;C 5G4/1-DK.GRNSH GRY,-DK.GY,-GRY/WHITE,-WHITE;
S SHOWS FINE MICROFAULTING PATTRN THROUGHOUT SECT. (NEARLY BRECCIATED BUT
THOROUGHLYHEALED,BEDDING IN THIS CORE IS IRREGULAR AND APPEARS TO BE
ORIENTED AT A FAIRLY STEEP ANGLE--35 DEGREESTO HORIZ. IN PARTS,GRY/WHITE
ASH POCKET (SILT) AT 3CM,11-16 CM DK.GRY SILTY MOTTLES (ASH),MAINLY
5G4/1MOTTLED DIAT. CLYSTN,55-63 CM FAINT BEDDING (SILTIER CONCENTRATIONS)
35 DEG. TO HORIZ.;D UNDEF.;P DIATOMS,50-55 CM CRUSHED-FLATTENED
UNRECOGNIZABLECALCAREOUS FOSSIL? (WHITE,W/SOME PYR IN CENTER. 2 CM
LONG--ELONGATE);M PYRITE;H HARD
Leg : 57 Depth Top/Bottom of Layer(m) : 921.52/ 921.50
Hole: 438B Depth to Top of Core(m) : 919.20
Core: 11 Depth Top/Bottom Interval(mm): 00/ 80
Sect: CC
Visual Text Description:
MAL SILTY DIATOM. CLAYSTONE;S MOTTLED,MICROFAULTED
Leg : 57 Depth Top/Bottom of Layer(m) : 928.70/ 930.20
Hole: 438B Depth to Top of Core(m) : 928.70
Core: 12 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
MAL DIATOMACEOUS VITRIC(SILT/SAND)CLAYSTONE;C 5GY4/1;S 0-60CM
DRLG.BISCUITS SET IN MUD WASH,60-150CM DRLG MUD WASH;D DRILLING MUD,SOUPY;
P DIATOMS;H HARD
Leg : 57 Depth Top/Bottom of Layer(m) : 930.20/ 931.32
Hole: 438B Depth to Top of Core(m) : 928.70
Core: 12 Depth Top/Bottom Interval(mm): 00/1120
Sect: 2
Visual Text Description:
MAL MUD;S SOFT SLURRY OF DRILLING INDUCED MUD,40-63 CM VOID;D DRILLING
INDUCED MUD;H SOFT
Leg : 57 Depth Top/Bottom of Layer(m) : 931.32/ 931.70
Hole: 438B Depth to Top of Core(m) : 928.70
Core: 12 Depth Top/Bottom Interval(mm): 1120/1500
Sect: 2
Visual Text Description:
MAL DIATOMACEOUS CLAYSTONE;C 5Y4/2,N5-MED.GRY,-DK.GRY,-BLK;S MOTTLED,
BURROWED 5Y4/2 DIAT. CLYSTN,N5 CALC.CLAY BEDS AND CLASTS,DK.GRY-BLK ASHY
MOTTLES ANDSPECS (SILT TO CRSE SAND);D UNDEF.;M CLAY HAS SOMECARBONATE
UNSPEC.;P DIATOMS IN CLY AND CLYSTN
Leg : 57 Depth Top/Bottom of Layer(m) : 931.70/ 933.20
Hole: 438B Depth to Top of Core(m) : 928.70
Core: 12 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
MAL DIATOM. CLAYSTONE;C 5Y4/2;S MOTTLED,SLI. SANDYBISCUITS IN MUD SLURRY;
D DRILLING BISCUITS IN CLAYSLURRY,SOUPY;S 42-52 AND 81-102 CM VOID;P
DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 933.20/ 934.05
Hole: 438B Depth to Top of Core(m) : 928.70
Core: 12 Depth Top/Bottom Interval(mm): 00/ 850
Sect: 4
Visual Text Description:
MAL DIATOM. CLAYSTONE;C 5Y4/2;S 5Y4/2 FAINTLY BEDDEDMICROFAULTED DIATOM.
(?)CLYSTN BISCUITS (12-14,17-22,37-52,58-71 CM) IN SLURRY;D SOUPY,BISCUITS
INSLURRY;P DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 934.05/ 934.70
Hole: 438B Depth to Top of Core(m) : 928.70
Core: 12 Depth Top/Bottom Interval(mm): 850/1500
Sect: 4
Visual Text Description:
MAL DIATOM. CLAYSTONE;C 5Y4/2;S SOME SLIGHT BEDDING,POSSIBLE STEEP ANGLE,
LOW ANGLE SMALL-OFFSET MICRO-FAULTS,30 DEG. TO HORIZ.,MOTTLED 135-150 CM;D
SLI.DEF. 85-120 AND 135-150 CM,SOUPY 120-135 CM;P DIATOM;O SS AT 111 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 934.70/ 935.72
Hole: 438B Depth to Top of Core(m) : 928.70
Core: 12 Depth Top/Bottom Interval(mm): 00/1020
Sect: 5
Visual Text Description:
MAL DIATOMACEOUS CLAYSTONE;C 5Y4/2,5Y5/2;S MICROFAULTD FAINTLY MOTTLED
DIAT. CLYSTN + CLYSTN,5Y5/2 IRREG.THICKNESS FAULTED LAYERS AT 12 + 20 CM;D
MOD. DEF.;P DIATOMS;O SS AT 17 CM,102-142 CM O.G.
Leg : 57 Depth Top/Bottom of Layer(m) : 938.10/ 939.60
Hole: 438B Depth to Top of Core(m) : 938.10
Core: 13 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
MAL DIATOM. CLAYSTONE;C 5Y4/2-OL.GRY,-WHITE;S FAINTLYMOTTLED,INTENSELY
MICROFAULTED IN PLACES;D HIGH. DEF 0-25 CM,MOD.DEF 25-80 CM,UNDEF. 80-150
CM;U SPARRYCALCITE CLOT WHITE 2 MM LONG AT 67 CM,STILL SOMEPUMICE OR GLASS
GRAINS (WHITE SPECKS);M PUMICE,GLASS,CALCITE;P DIATOMS,A FEW MOLDS OF
FORAMS (NOW SOMESPARRY CALCITE) AT 68 CM;O SS AT 101 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 939.60/ 941.10
Hole: 438B Depth to Top of Core(m) : 938.10
Core: 13 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
MAL DIATOM. CLAYSTONE;C 5Y4/2;S INTENSELY MICROFAULTED (HEALED) (ALMOST A
BRECCIA),FAULT PLANES DISTINCTTO FAINT,OFFSETS NOT MEASURED (NO VISIBLE
BEDDING);D MOD. DEF. 12-80 CM,REST UNDEF.;P DIATOMS
Leg : 57 Depth Top/Bottom of Layer(m) : 941.10/ 941.75
Hole: 438B Depth to Top of Core(m) : 938.10
Core: 13 Depth Top/Bottom Interval(mm): 00/ 650
Sect: 3
Visual Text Description:
MAL CLAYSTONE;C 5Y4/2;S INTENSELY MICROFAULTED (HEALED--BRECCIA?);D
UNDEF.;O SS AT 33 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 941.85/ 941.95
Hole: 438B Depth to Top of Core(m) : 938.10
Core: 13 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
MAL CLAYSTONE;C 5Y4/2;S INT. MICROFAULTED (HEALED),BRECCIA?;D UNDEF.
Leg : 57 Depth Top/Bottom of Layer(m) : 947.60/ 947.70
Hole: 438B Depth to Top of Core(m) : 947.50
Core: 14 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
MAL CLAYSTONE;C 5G4/1,5G5/1,-DK.GRNSH GRY,-DK.GRY;S 5G4/1-5/1 DK.GRNISH
GRY CLYSTN W/DK.GRY MOTTLESAND STREAKS;D SOUPY
Leg : 57 Depth Top/Bottom of Layer(m) : 956.90/ 958.40
Hole: 438B Depth to Top of Core(m) : 956.90
Core: 15 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
MAL VITRIC DIATOM. CLAYSTONE;C 5GY4/1,5GY5/1,N4-DK.GRY,-DRK GRN.GRY;S
CHUNK OF CLAYEY SILT MOTTLED 5GY4/1AND N4 (ASH) AT 7 CM,0-20 CM BRECCIATED
(CHIPS OFGRY.GRN CLYSTN),20-150 CM VITRIC DIAT CLYSTN(5GY4/1-5/1),MOTTLED,
FRACTURES (ORIGINAL),COREPIECES BREAK ALONG "HEALED" FRACTURES--VERY THIN
DKR GRN.GRY MATERIAL BUT NO SLICKENSIDES SEEN ONFRACTURE PLANE SURFACES,
DOES NOT SEEM TO BE ASBRECCIATED OR FRACTURED AS PRECEEDING CORES;D 0-20CM
BRECCIATED,90-130 CM SLI. DEF.,REST SOUPY;P 10% DIATOMS (PRESERVATION
POOR);O SEEMS ODD THATTHIS SEDIMENT SHOULD BE SO COMPACT AND THE
BURROWMOTTLES SEEM NOT TO BE FLATTENED AS IN MANY OTHERMUDDY SEDIMENTS.
DOES THIS IMPLY THAT STRAIGHTCOMPACTION IS NOT THE MOST IMPORTANT
LITHIFICATIONMECHANISM?, IS FRACTURING DUE TO VICINITY TO FAULTZONE OR TO
BRITTLE FRACTURE OVER A FOLD OR UP DOMING REGION? OR DIFFERENTIAL
COMPACTION?,FRACTURES HAVEREHEALED--TEND TO EXHIBIT ALL DIRECTIONS FROM
HORIZ. TO NEARLY VERT.-ONLY SMALL OFFSETS SEEN,EARLYFRACTURING BUT AFTER
SOME LITHIFICATION (BRITTLEFAILURE)--IN RE REHEALING,SS AT 91 CM;H HARD
Leg : 57 Depth Top/Bottom of Layer(m) : 958.40/ 959.49
Hole: 438B Depth to Top of Core(m) : 956.90
Core: 15 Depth Top/Bottom Interval(mm): 00/1090
Sect: 2
Visual Text Description:
MAL CLAYSTONE;C 5GY4/1-DK.GRNSH GRY;S FAINTLY BUT MOD.MOTTLED,MUCH LESS
BRECCIATED OR FRACTURED,50 CMSILTY MOTTLE (TUFF OR ASH-RATHER HARD);D MOD.
DEF.0-60 CM,SOUPY 60-109 CM;M TUFF OR ASH;O SS AT 56 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 959.59/ 959.69
Hole: 438B Depth to Top of Core(m) : 956.90
Core: 15 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
MAL CLAYSTONE;C 5GY4/1-DK.GRNSH GRY;D SOUPY;Z 33232000
Leg : 57 Depth Top/Bottom of Layer(m) : 966.30/ 967.50
Hole: 438B Depth to Top of Core(m) : 966.30
Core: 16 Depth Top/Bottom Interval(mm): 00/1200
Sect: 1
Visual Text Description:
MAL CLAYSTONE;C 5GY4/1;S MOD.BUT FAINTLY MOTTLED,SLI.VITRIC (SILTY),
HIGHLY FRACTURED (HEALED),52-120 CMBROKEN INTO VERY ANGULAR PIECES SET IN
DRLG. MUD;D UNDEF. 0-52 CM,HIGH. DEF. (DRILLING MUD) 52-120 CM;U CORE
BUBBLING OFF SOME GAS;M CALCITE;P SMALLBENTHIC FORAM MOLDS (CALCITE WALLS)
0-52 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 967.60/ 967.70
Hole: 438B Depth to Top of Core(m) : 966.30
Core: 16 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
MAL CLAYSTONE;C 5GY4/1;S VERY ANGULAR PIECES IN DRLG.MUD;D
SOUPY--DRILLING MUD;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 975.70/ 977.10
Hole: 438B Depth to Top of Core(m) : 975.70
Core: 17 Depth Top/Bottom Interval(mm): 00/1400
Sect: 1
Visual Text Description:
MAL CLAYEY? F.G. SILTSTONE;C 5Y2/1-OL.BLK;S MASSIVEBUT SOME SLIGHT FAINT
MOTTLING,NO NOTICEABLE SED.STRUCTURES (EVEN UNDER BINOC.),HIGHLY
FRACTUREDDURING DRLG POSSIBLY ORIGINAL FRACTURE PATTERNS BUTDO NOT SHOW UP
WELL? (SOME SLICKENSIDES ON MORE VERT BROKEN FRACTURES),5Y2/1 ON WET CUT
SURFACE;D MOD.DEF.;M PYRITE SEEN ON SPLIT FACE,DARK AND LIGHT MINS;P MOLDS
OF BENTHIC FORAMS ON SPLIT FACES;O NO CACO3 (FIZZ TEST),SANDY CLAYEY
SILTSTONE (SS) AT 129 CM,THIN SECTION REQUESTED FROM 28-31 CM,140-150 CM
I.W.;H INDURATED, VERY HIGHLY;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 977.20/ 978.70
Hole: 438B Depth to Top of Core(m) : 975.70
Core: 17 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
MAL CLAYEY SILTSTONE;C 5Y2/1-OL.BLK,-LT.GRY;S MASSIVE,VERT. BURROW
15-17CM,69-73CM BURROW MOTTLING-LT.GRY-MUCH FINER GRAINED MATERIAL FILLS
ALL BURROWS;D SLI.TO MOD. DEF.;S SOMEWHAT FLATTENED BURROWS AT 19-23CM;M
PYRITE STREAK 10-17CM,BURROW FILLING APPEARS MOSTLY QTZ;O CONT. SECT.1;H
INDURATION,VERY HIGH;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 978.70/ 979.35
Hole: 438B Depth to Top of Core(m) : 975.70
Core: 17 Depth Top/Bottom Interval(mm): 00/ 650
Sect: 3
Visual Text Description:
MAL CLAYEY SILTSTONE;C 5Y2/1-OL.BLK;S MASSIVE,BURROWMOTTLES 53-56 CM;D
MOD.DEF.;M PYRITE;P PLANTMATERIAL;H INDURATION, VERY HIGH;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 979.45/ 979.55
Hole: 438B Depth to Top of Core(m) : 975.70
Core: 17 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
MAL CLAYEY SILTSTONE;C 5Y2/1-OL.BLK;S POSSIBLEDEWATERING STRUCTURE
VERTICALLY 0-15 CM,BURROWMOTTLES;D UNDEF.;P PLANT MATERIAL,POLLEN SPORES;Z
33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 985.20/ 986.70
Hole: 438B Depth to Top of Core(m) : 985.20
Core: 18 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
GWL CLAYEY SILTSTONE;C 5Y3/1-OL.BLK,-BLK;S 0-3 CM5Y3/1 CLY. SLTSTN,3-150
CM 5Y3/1 GLAUCONITIC CLY.SLTSTN,5-35 CM PROMINENT FRACTURE SET--51
DEGREETILT (LEFT TO RT. DROP),1 CM LAYER RICH IN VERY FINE BLK. GLAUCONITE
SAND GRAINS AT 0-2 CM SUGGESTS ADIP OF 7 DEGREES,HOMOGENEOUS,SLIGHT
MOTTLING,105 CMSLICKENSIDES,112 CM SLICKENSIDES DIPPING 47
DEGREES--DIP-SLIP MOVEMENT;D SLI. DEF 0-26 AND 133-150 CM,MOD.DEF. 26-133
CM;M GLAUCONITE
Leg : 57 Depth Top/Bottom of Layer(m) : 986.70/ 988.20
Hole: 438B Depth to Top of Core(m) : 985.20
Core: 18 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
GWL CLAYEY SILTSTONE;C 5Y3/1;S HOMOGENEOUS AND MASSIVE,SLIGHT MOTTLING,
GLAUCONITIC CLAYEY SILTSTONE 10%AT 136-150 CM (NO REAL DIFF. FROM REST);D
SLI. DEF.0-23 AND 95-150 CM,MOD. TO HIGH. DEF. 30-65 CM,SOUPY 23-30 AND
65-95 CM;M GLAUCONITE 5-10%,MOST G.GRAINS VFG SD.;O SS AT 136 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 988.20/ 989.70
Hole: 438B Depth to Top of Core(m) : 985.20
Core: 18 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
GWL CLAYEY SILTSTONE;C 5Y3/1;S HOMOG.,SLIGHT MOTTLINGALMOST INVISIBLE;D
SLI. DEF. 0-108 AND 115-138 CM,SOUPY 108-115 AND 138-150 CM;O SS AT 138 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 989.70/ 991.20
Hole: 438B Depth to Top of Core(m) : 985.20
Core: 18 Depth Top/Bottom Interval(mm): 00/1500
Sect: 4
Visual Text Description:
GWL CLAYEY SILTSTONE;C 5Y3/1;S HOMOGENEOUS;D SOUPY50-65 CM,REST IS SLI.
DEF.
Leg : 57 Depth Top/Bottom of Layer(m) : 991.20/ 992.23
Hole: 438B Depth to Top of Core(m) : 985.20
Core: 18 Depth Top/Bottom Interval(mm): 00/1030
Sect: 5
Visual Text Description:
GWL CLAYEY SILTSTONE;C 5Y3/1;S HOMOGENEOUS;D SOUPY;O SS AT 87 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 992.33/ 992.43
Hole: 438B Depth to Top of Core(m) : 985.20
Core: 18 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
GWL CLAYEY SILTSTONE;C 5Y3/1;D UNDEF;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 994.90/ 996.30
Hole: 438B Depth to Top of Core(m) : 994.80
Core: 19 Depth Top/Bottom Interval(mm): 100/1500
Sect: 1
Visual Text Description:
GWL GLAUCONITIC CLAYEY SILTSTONE;C 5Y3/2;S HOMOGENEOUS NO SORTING VISIBLE
BTW TOP AND BTM,ACCUMULATION OFGLAUC. GRAIN GIVING DARK BEDS AT 38,40,AND
90 CM,0-10 CM VOID;D SLI. DEF.;M GLAUCONITE-BEARING,10%IN FINE GRAINED
COLLIFORM-SHAPED GRAINS
Leg : 57 Depth Top/Bottom of Layer(m) : 996.30/ 997.13
Hole: 438B Depth to Top of Core(m) : 994.80
Core: 19 Depth Top/Bottom Interval(mm): 00/ 830
Sect: 2
Visual Text Description:
KL GLAUCONITIC CLAYEY SILTSTONE;C 5Y3/2;S HOMOGENEOUS,W/GLAUCONITIC
GRAINS ALL OVER,VISUAL ESTIMATION 10%,NO SORTING VISIBLE;D SLI.DEF.;M
GLAUCONITE;O 90-140 CM O.G.,140-150 CM I.W.
Leg : 57 Depth Top/Bottom of Layer(m) : 997.80/ 999.30
Hole: 438B Depth to Top of Core(m) : 994.80
Core: 19 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
KL CLAYEY SILTSTONE;C 5Y3/2,-BLK,5Y4/1;S HOMOG. TO100 CM,5X5 MM BLK
ANGULAR SPOT (MATURE?) AT 90 CM,100-150 CM DIMINUTION OF THE % OF
GLAUCONITIC GRAINS--SIZE ALSO FINER (SILTY),BURROW WITH 5Y4/1 FILLINGAND
GLAUC. AT RIMS AT 136 CM;D SOUPY 120-130 CM,RESTIS SLI.DEF.;M GLAUCONITE
(8% TO 100CM,3% THEREAFTR)
Leg : 57 Depth Top/Bottom of Layer(m) : 999.30/ 1000.80
Hole: 438B Depth to Top of Core(m) : 994.80
Core: 19 Depth Top/Bottom Interval(mm): 00/1500
Sect: 4
Visual Text Description:
KL CLAYEY SILTSTONE;C 5Y3/1;S HOMOG.,AMT. OF GLAUC.GRAINS INCREASES
SLOWLY AND REGULARLY FROM SECT.4 TO CORE 2/ SECT. 2 W/SOME VARIATIONS OF
DETAIL,GLAUC.SPOT AT 50 CM AND 82 CM;D SLI. DEF.;M GLAUCONITE(RANGING FROM
28% AT 10 CM TO 10% AT 60 CM TO 12% AT 120 CM TO 10% AT 145 CM--VISUAL
ESTIMATION BUTDISTRIBUTION IS SOMETIMES IRREGULAR)
Leg : 57 Depth Top/Bottom of Layer(m) : 1000.80/ 1002.30
Hole: 438B Depth to Top of Core(m) : 994.80
Core: 19 Depth Top/Bottom Interval(mm): 00/1500
Sect: 5
Visual Text Description:
KL GLAUCONITIC CLAYEY SILTSTONE;C 5Y3/1,-BLK;S SEECORE 19 SECT.4 FOR
BCKGRND,GLAUC. ACCUMULATION INTOBLK DISCONTINUOUS BED AT 47 CM,AT 80 CM
APPARITIONOF SPOTS OF IRREGULAR SHAPE--THEY ARE MAINLY DK.BLKAND SEEM
FORMED (BINOCULAR MICROSCOPIC OBSERVATION)BY ACCUMULATION OF GLAUC. GRAINS
(HERE SIZE IS 2-3CM AND DENSITY 2-3%);D SOUPY 75-90 CM,REST IS SLI.DEF.;U
1MM THICK PYRITIC BED AT 5K CM;M PYRITE,GLAUCONITE (RANGE FROM 17% AT 10
CM TO 15-17% AT 120 CM)
Leg : 57 Depth Top/Bottom of Layer(m) : 1002.30/ 1003.80
Hole: 438B Depth to Top of Core(m) : 994.80
Core: 19 Depth Top/Bottom Interval(mm): 00/1500
Sect: 6
Visual Text Description:
KL GLAUCONITIC CLAYEY SILTSTONE;C 5Y3/1,-BLK;S RARESPOTS (FROM SOME MM
IN DIA REACH 8 MM DIA AT BTM) OF ANG. SHAPE AND BLK COLOR;D SLI. DEF.;M
GLAUCONITE(RANGE. FROM 12% AT 15 CM TO 8-10% AT 50 CM TO 18%AT 115 CM);O
SEE 19-4 FOR BACKGROUND
Leg : 57 Depth Top/Bottom of Layer(m) : 1003.80/ 1004.76
Hole: 438B Depth to Top of Core(m) : 994.80
Core: 19 Depth Top/Bottom Interval(mm): 00/ 960
Sect: 7
Visual Text Description:
KL GLAUCONITIC CLAYEY SILTSTONE;C 5Y3/1,5Y2.5/1,-BLK;S 5Y3/1 TO 5Y2.5/1
COLOR,NUMEROUS (15% OF THE SURF.) BLK. SPOTS--SIZE 5-7 MM,95-120 CM VOID;D
SOUPY 0-30 CM,SLI. TO MOD. DEF. 30-95 CM;U CRYSTAL OF PYRITE(3 MM DIA) AT
40 CM;M PYRITE,GLAUCONITE (RANGE FROM25-30%);O SEE 19-4 FOR BACKGROUND
Leg : 57 Depth Top/Bottom of Layer(m) : 1004.86/ 1004.96
Hole: 438B Depth to Top of Core(m) : 994.80
Core: 19 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
KL GLAUC. CLAYEY SILTSTONE;C 5Y3/1;S DRILLING MUD;D SOUPY--DRILLING MUD;
M GLAUCONITE
Leg : 57 Depth Top/Bottom of Layer(m) : 1004.40/ 1005.90
Hole: 438B Depth to Top of Core(m) : 1004.40
Core: 20 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
KL GLAUC. CLAYEY SILTSTONE;C 5Y2.5/1;S NUMEROUS ANG.SPOTS,0-60 CM SMALL
SPOTS 4-5 MM DIA,BY 120 CMBIGGER SPOTS OF AROUND 7-8 MM DIA;D SLI. DEF.;M
% OF GLAUCONITE IS 30-35%;O SEE 19-4 FOR BACKGROUND,SSAT 56 (IN A SPOT)
AND 57 (DOM. LITH.) CM
Leg : 57 Depth Top/Bottom of Layer(m) : 1005.90/ 1007.40
Hole: 438B Depth to Top of Core(m) : 1004.40
Core: 20 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
KL GLAUCONITIC SILTSTONE;C 5Y2.5/1;S IDENT. TO SECT.1 BUT SLIGHT
DECREASE TOWARD THE BTM,FROM 80 CM THESPOTS BECOME SCARSER AND SCARSER,THE
SPOTS DISAPPEAR FROM 125 CM;D SLI. TO MOD. DEF.;U PEBBLE--FLAT DARK
PYRITIZED CARBON (WOOD),SIZE 4X2 CM,THICKNESS 4 MM;M PYRITE,GLAUCONITE
(QUICK DECREASE OF GLAUC.CONTENT AS THE SPOTS DISAPPEAR);P PYRITIZED
CARBON(WOOD) AT 130 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 1007.40/ 1008.90
Hole: 438B Depth to Top of Core(m) : 1004.40
Core: 20 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
KS SILTSTONE;C 5Y2.5/1,5G2/1,-BLK;S VERY HOMOGENEOUS,5Y2.5/1 PASSING TO
5G2/1;D SLI. DEF;U RARE BLK.SPOTS (ONE AT 139 CM),VERY FEW GLAUCONITE
GRAIN SAND SIZE;M GLAUCONITE;P FINE PIECE OF WOOD AT 50 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 1008.90/ 1010.40
Hole: 438B Depth to Top of Core(m) : 1004.40
Core: 20 Depth Top/Bottom Interval(mm): 00/1500
Sect: 4
Visual Text Description:
KL SILTSTONE;C 5G2/1;S HOMOGENEOUS;D SLI. DEF.;U BLKSPOT AT 75 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 1010.40/ 1011.90
Hole: 438B Depth to Top of Core(m) : 1004.40
Core: 20 Depth Top/Bottom Interval(mm): 00/1500
Sect: 5
Visual Text Description:
KL SILTSTONE;C 5GY2/1,5G4/1;S HOMOGENEOUS,SLIGHTLYCOARSER AT BOTTOM AND
FINER AT TOP,(VERY LIGHTCLARSEMENT??);D SOUPY 0-10 CM,SLI. TO MOD.
DEF.10-150 CM;U 5G4/1 SPOT AT 68 CM--EFFERVESCENCE WITHHCL
Leg : 57 Depth Top/Bottom of Layer(m) : 1011.90/ 1012.16
Hole: 438B Depth to Top of Core(m) : 1004.40
Core: 20 Depth Top/Bottom Interval(mm): 00/ 260
Sect: 6
Visual Text Description:
KL SILTY CLAYSTONE;C 5GY2/1;D SLI. TO MOD. DEF.
Leg : 57 Depth Top/Bottom of Layer(m) : 1012.26/ 1012.36
Hole: 438B Depth to Top of Core(m) : 1004.40
Core: 20 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
KL SILTY CLAYSTONE;C 5GY2/1,5G4/1;D UNDEF.;U PEBBLEOF BLK. LIMESTONE
(EFF + HCL) 5G4/1
Leg : 57 Depth Top/Bottom of Layer(m) : 1014.10/ 1015.50
Hole: 438B Depth to Top of Core(m) : 1014.00
Core: 21 Depth Top/Bottom Interval(mm): 100/1500
Sect: 1
Visual Text Description:
KL SILTY CLAYSTONE;C 5G2/1;S VERY HOMOGENEOUS,SMALLBURROWS FILL. WITH
THE SAME SEDIMENT 45-50 CM,SMALLBURROWS 130-140 CM;D SLI. TO MOD. DEF.;O
0-10 VOID
Leg : 57 Depth Top/Bottom of Layer(m) : 1015.50/ 1016.00
Hole: 438B Depth to Top of Core(m) : 1014.00
Core: 21 Depth Top/Bottom Interval(mm): 00/ 500
Sect: 2
Visual Text Description:
KL SILTY CLAYSTONE;C 5G2/1;S FINE SEDIMENT,GRADUALTRANSITION TO
UNDERLYING SEDIMENT;D SLI.DEF.
Leg : 57 Depth Top/Bottom of Layer(m) : 1016.00/ 1017.00
Hole: 438B Depth to Top of Core(m) : 1014.00
Core: 21 Depth Top/Bottom Interval(mm): 500/1500
Sect: 2
Visual Text Description:
KL CLAYEY SILTSTONE;C 5GY2/1,5G2/1,5G4/1,-BLK;S SILTCOARSE TO BTM OF
SECT. (LIGHT CLARSEMENT??),5GY2/1TO 5G2/1,5G4/1 BURROW (EFF + HCL) AT 85
CM;D SLIGHT.DEFORM.;P BLK. PIECE OF WOOD 103-106 CM,SMALL PIECEOF WOOD AT
129 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 1017.00/ 1018.50
Hole: 438B Depth to Top of Core(m) : 1014.00
Core: 21 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
KL CLAYEY SILTSTONE;C 5GY2/1,5G4/1-DK.GRNISH GRY,-BLK;S HOMOG.,5G4/1
BURROW (EFF + HCL) AT 70 CM,SANDYLAYER AT 83 CM;D SLI DEF;M CARBON;P
NUMEROUS PIECESOF BLK WOOD (OR CARBON) AT 5,43,60-70,110,AND 140-46 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 1018.50/ 1020.00
Hole: 438B Depth to Top of Core(m) : 1014.00
Core: 21 Depth Top/Bottom Interval(mm): 00/1500
Sect: 4
Visual Text Description:
KL CLAYEY SILTSTONE;C 5GY2/1,5GY4/1,-BLK;S HOMOG.,20-30 CM BIOTURBATIONS,
70 CM 5GY4/1 LIMESTONECONCRETIONS,98-102 CM 5GY4/1 LMSTN CONCR. (2.5
CMDIA),130-135 CM LARGE (5.5 CM DIA) 5GY4/1 LMSTNCONCR.;D SLI. TO MOD.
DEF.;M LIMESTONE;P NUMEROUSSMALL SPOTS OF BLK. WOOD (OR
CARBON)--ESP.110-116CM
Leg : 57 Depth Top/Bottom of Layer(m) : 1020.07/ 1020.20
Hole: 438B Depth to Top of Core(m) : 1014.00
Core: 21 Depth Top/Bottom Interval(mm): 70/ 200
Sect: CC
Visual Text Description:
KL MUDSTONE;C 5GY2/1;D DRILLING BRECCIA;O 0-7CM VOID;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 1023.40/ 1024.90
Hole: 438B Depth to Top of Core(m) : 1023.40
Core: 22 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
KL CLAYSTONE;C 5Y3/1,5GY5/1,5Y3/2;S 0-75 CM VERYFINE (TOWARD THE TOP)
5Y3/1 CLYSTN,18-30 CM FINEBIOTURB.,75-105 CM GRADED GRANOCLASSED (SP?)
SLTSTNSANDY AT BTM AND 5GY5/1 COLOR,BASE OF SEQUENCE (105) W/SCOURING,
105-150 CM BRECCIA OF 5Y3/2 CLYSTN;D 0-75 CM SOUPY,75-95 CM HIGH. DEF.,
95-150 CMDRILLING BRECCIA
Leg : 57 Depth Top/Bottom of Layer(m) : 1024.90/ 1025.33
Hole: 438B Depth to Top of Core(m) : 1023.40
Core: 22 Depth Top/Bottom Interval(mm): 00/ 430
Sect: 2
Visual Text Description:
KL CLAYSTONE;C 5Y3/1,5GY5/1;S 5Y3/1 CLYSTN;D DRILLING BRECCIA;U PIECES
OF 5GY5/1 SLTSTN AT 11-14 AND40-42 CM;P PLANT PIECE ON SLTSTN AT 11-14 CM;
Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 1025.43/ 1025.53
Hole: 438B Depth to Top of Core(m) : 1023.40
Core: 22 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
KL CLAYSTONE;C 5Y3/1;D DRILLING BRECCIA;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 1032.80/ 1034.17
Hole: 438B Depth to Top of Core(m) : 1032.80
Core: 23 Depth Top/Bottom Interval(mm): 00/1370
Sect: 1
Visual Text Description:
MAL SILTSTONE;C 5Y4/1-DK.GRY,5Y3/1-V.DK.GRY;S 5Y4/1-3/1 SLTSTN,APPARENT
LACK OF MUCH BIOTURBATION (VERYOCCASIONAL MOTTLE),DIPS 5-10 DEG. (ORIGINAL
ORROTATED?),0-7 CM CRSE INTERVAL-FINE SAND-FAINTLAMIN.-CLAYEY SILT AT TOP,
HEALED FRACT. W/SMALLOFFSET IN INT.,SOME LAMIN. IN COARSER LIGHTER
INT.(FINE SAND) AT 62-68 AND 80-85 CM (SOME POSSIBLEVERY FAINT GRADING AT
80-85 CM),135-137 CM CRSERSILTY LAMIN.,NO RECOGNIZABLE "SEQUENCES",NO
SHARPCONTACTS OR GRADED BEDS,BURROW MOTTLE AT 5 CM;D HIGH.DEF. 0-80 AND
113-137 CM,MOD.DEF. 80-113 CM;M PYR.BLEB IN BURROW 5 CM,QTZ,GLAUC. RICH;U
IN CRSERLIGHTER INT.: QUARTZ,GLAUCONITE-RICH W/STRANDS OFORGANIC MATTER
PARALLEL TO LAMIN. + SOME LINEATIONOF DK. ELONGATE HEAVIER;P ORG. MATTER
PARALL. LAMIN.;O THIN SECTION 65-67 CM,HAD TO PULL STRING TOCHECK BIT
CONDITION (POOR RECOVERY),137-150 CM VOID;H HARD;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 1034.55/ 1035.80
Hole: 438B Depth to Top of Core(m) : 1032.80
Core: 23 Depth Top/Bottom Interval(mm): 250/1500
Sect: 2
Visual Text Description:
MAL SILTSTONE;C 5Y3/1-V.DK.GRY;S AGAIN NO OBVIOUS"SEQUENCES" OR BEDDING
UNITS,SOME COARSER THININTERVALS OR LAMINS. OF FINE SAND BUT NOT
DISTINCTGRADING,0-25 CM VOID,40-53 CM SOME PARTING LINEATION (+ LAMIN.
BREAKS OR PARTINGS) HIGH ANGLE SANDLAMINAE ABOUT 20 DEG. TO
HORIZ.--DISCONTINUOUS SETIN SURROUNDING CLAY,82-96 CM CUTTINGS,111-121
CMHIGH ANGLE DIP COARSER (F.G. SAND) LAMINAE,140-150CM FAINT CRSER LAMINAE
(<1 MM THICK) NEARLY HORIZ.;D SOUPY (BRECCIA) 82-96 CM,REST IS HIGH. DEF.;
O CORE TOO BROKEN UP TO RECOGNIZE ANY CONTINUOUS SEQS.;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 1035.80/ 1036.35
Hole: 438B Depth to Top of Core(m) : 1032.80
Core: 23 Depth Top/Bottom Interval(mm): 00/ 550
Sect: 3
Visual Text Description:
MAL SILTSTONE;C 5Y3/1;S NO RECOG. STRUCT.;D SMALLCHUNKS AND DRILLING
BRECCIA CHIPS;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 1036.45/ 1036.55
Hole: 438B Depth to Top of Core(m) : 1032.80
Core: 23 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
MAL SILTSTONE;C 5Y3/1;S NO RECOG. STRUCT.;D SMALLCHUNKS AND DRILLING
BRECCIA CHIPS;Z 33233000
Leg : 57 Depth Top/Bottom of Layer(m) : 1039.30/ 1039.40
Hole: 438B Depth to Top of Core(m) : 1039.20
Core: 24 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
MAL SILTSTONE;S MED. TO C.G. SLTSTN,NO LAMIN. OBSERVED;D BRECCIATED BY
DRILLING;U PYRITIC BLEBS AT 5 CM;M PYRITE;Z 33233000
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