Core Data from the Deep Sea Drilling Project
Leg : 57 Depth Top/Bottom of Layer(m) : 130.00/ 130.20
Hole: 441A Depth to Top of Core(m) : 130.00
Core: 2 Depth Top/Bottom Interval(mm): 00/ 200
Sect: 1
Visual Text Description:
GWL SILTY TUFFITE;C 5Y4/1;S GRADED,V FINE GRAINED (SD-SIZE) AT BASE;U 3
MM PUMICE CLAST AT 19 CM;M PUMICE;O VOID 12-16 CM,NOTE: NO CORE OR CC
SAMPLE FOR CORE1;H FIRM;Z 33133000
Leg : 57 Depth Top/Bottom of Layer(m) : 130.20/ 130.33
Hole: 441A Depth to Top of Core(m) : 130.00
Core: 2 Depth Top/Bottom Interval(mm): 200/ 330
Sect: 1
Visual Text Description:
GWL DIATOMACEOUS CLAY;C 5Y4/2;D HIGH;P DIATOMS;H FIRM;Z
33213000.3450.2220
Leg : 57 Depth Top/Bottom of Layer(m) : 130.36/ 130.53
Hole: 441A Depth to Top of Core(m) : 130.00
Core: 2 Depth Top/Bottom Interval(mm): 20/ 190
Sect: CC
Visual Text Description:
GWL DIATOMACEOUS CLAY;C 5Y4/2;D HIGH;U CALCITICCONCRETIONS (LARGEST 3 CM
IN DIA) AT 2-6 CM;M CALCIT;P DIATOMS;H FIRM;Z 33213000.3450.2220
Leg : 57 Depth Top/Bottom of Layer(m) : 386.50/ 388.00
Hole: 441A Depth to Top of Core(m) : 386.50
Core: 5 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
GWL SILTSTONE,TECTONIC BRECCIA;C 5Y6/1,-BLK,N3,N4;S BLOCKS ARE N3
SILTSTONE AND THE SOFTER INTERBLOCKGOUGE MATRIX IS N4 + MORE CLAY-RICH,
MANY SMALLERSCALE BLOCKS EXIST,5Y6/1 BED-LIKE STRUCTURE W/2/ DEG
INCLINATION (CLAY-SIZED DEVITRIFIED ASH?) AT 10-12CM,BLK VEIN BUNDLE 1 CM
WIDE 5-10 CM AND 10-30 CM,INCLINATION IS 72 DEG AT 58 CM AND 68 DEG AT
136CM;D SLIGHT;O NO RECOVERY FOR CORES 3 + 4 (SOME HCORES (WASHINGS)
RECOVERED BUT NOT ENCODED)
Leg : 57 Depth Top/Bottom of Layer(m) : 388.00/ 389.50
Hole: 441A Depth to Top of Core(m) : 386.50
Core: 5 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
GWL TECTONIC BRECCIA;C N3,5Y6/1;S N3 SILTSTONE-ASTECTONIC BRECCIA-AND
SOME GRADED SD BEDS,INCLINATION 63 DEG AT 10 CM,5-25 CM N3 CLAYEY
SILTSTONE W/V.F.GRADED SDST,5Y6/1 CALC CLAYST AT 60-65 + 91-95 CM,V FINE
GRADED SDST 40-56 CM,GRADED UNITS AT 65-91 +95-100 CM;D SLIGHT
Leg : 57 Depth Top/Bottom of Layer(m) : 389.50/ 390.86
Hole: 441A Depth to Top of Core(m) : 386.50
Core: 5 Depth Top/Bottom Interval(mm): 00/1360
Sect: 3
Visual Text Description:
GWL DIATOMACEOUS CLAYSTONE;C N3;S MED GRAINED 7-11 +23-26 + 39-44 CM,
COARSE GRAINED--UP TO 2 MM GRAINSAT 47-65 CM,V.F.G. SDST 110-115 CM,TOPS
OF BEDSPROBABLY UPRIGHT,COULD BE FOLDED,55 DEG INCLINATIONAT 90 CM;P
DIATOMS;O 136-150 CM I.W. SAMPLE
Leg : 57 Depth Top/Bottom of Layer(m) : 391.06/ 391.11
Hole: 441A Depth to Top of Core(m) : 386.50
Core: 5 Depth Top/Bottom Interval(mm): 00/ 150
Sect: CC
Visual Text Description:
GWL DIATOMACEOUS SANDY SILTSTONE;S 0-10 CM DIAT SDYSILTST,10-14 CM MED
GRAINED SDST,14-15 CM SDY SILTST,UPRIGHT
Leg : 57 Depth Top/Bottom of Layer(m) : 443.90/ 445.00
Hole: 441A Depth to Top of Core(m) : 443.50
Core: 6 Depth Top/Bottom Interval(mm): 400/1500
Sect: 1
Visual Text Description:
GWL DRILL CUTTINGS;D DRILL CUTTINGS;O 0-40 CM VOID;H SOFT
Leg : 57 Depth Top/Bottom of Layer(m) : 445.00/ 446.10
Hole: 441A Depth to Top of Core(m) : 443.50
Core: 6 Depth Top/Bottom Interval(mm): 00/1100
Sect: 2
Visual Text Description:
GWL DRILL CUTTINGS;D DRILL CUTTINGS;H SOFT TO FIRM
Leg : 57 Depth Top/Bottom of Layer(m) : 446.22/ 446.22
Hole: 441A Depth to Top of Core(m) : 443.50
Core: 6 Depth Top/Bottom Interval(mm): 00/ 100
Sect: CC
Visual Text Description:
GWL DRILL CUTTINGS;D DRILL CUTTINGS;H FIRM
Leg : 57 Depth Top/Bottom of Layer(m) : 510.00/ 510.20
Hole: 441A Depth to Top of Core(m) : 510.00
Core: 8 Depth Top/Bottom Interval(mm): 00/ 200
Sect: 1
Visual Text Description:
MAL PEBBLES,CLAYSTONE;C N4,5Y4/3;S ROUNDED TO SUBRNDPEBBLES,POSSIBLY FROM
UPHOLE,5 CM DIA DK. PHANERITIC TRACHYTIC(?) BASALT W/FEL PHENOCRYSTS--SLI
ALTERED,2.5 CM DIA N4 SILTSTONE,4 CM CALCITE CEMENTED 5Y4/3CLAYSTONE,3.5
CM DIA OF SAME CLAYSTONE;D SOUPY;M BASALT,FELDSPAR
Leg : 57 Depth Top/Bottom of Layer(m) : 510.20/ 511.50
Hole: 441A Depth to Top of Core(m) : 510.00
Core: 8 Depth Top/Bottom Interval(mm): 200/1500
Sect: 1
Visual Text Description:
MAL CLAYSTONE;C 5Y4/2-OL GRY,5Y3/2-DK OL GRY;S 20-40CM 5Y4/2 VITRIC
CLAYSTONE (SILTY INTERVAL),40-75 CM5Y4/2 DIAT CLAYST: PERSISTENT FRACTURES
OR PARTINGJOINTS NO OFFSET NOTED 40-45 DEG PARTING,75-150CM 5Y3/2 DIAT
CLAYST: PERSISTENT PARTING 32-35 DEG;D HIGHLY BROKEN UP DURING DRILLING
INTO FISSILECHIPS,MOD DEF 40-60 CM,HIGH DEF ELSEWHERE;P DIATOMS;O SS AT 24
AND 58 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 511.60/ 511.70
Hole: 441A Depth to Top of Core(m) : 510.00
Core: 8 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
MAL DIATOMACEOUS CLAYSTONE RUBBLE;C 5Y4/2-OLIVE GRAY;D SOUPY;P DIATOMS;Z
33213000.3450.2220
Leg : 57 Depth Top/Bottom of Layer(m) : 568.00/ 568.20
Hole: 441A Depth to Top of Core(m) : 568.00
Core: 9 Depth Top/Bottom Interval(mm): 00/ 200
Sect: 1
Visual Text Description:
GWL CLAYSTONE;C 5Y3/2;S 0-4 CM 5Y3/2 CLAYST,4-20 CM5 CALCITIC
CONCRETIONARY PEBBLES OR CONCRETIONS,RANGING FROM ORIGINALLY CLAYSTONE TO
FINE SDST,ONE--MICROBRECCIATED--CONTAINS PYRITE VEINS ALL AREDIFFERENT;D
SOUPY;M PYRITE;O NO CC;Z 33233000.3450.2220
Leg : 57 Depth Top/Bottom of Layer(m) : 576.50/ 578.00
Hole: 441A Depth to Top of Core(m) : 576.50
Core: 10 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
MAL SILTY CLAYSTONE;C 5G2/1-GRN BLK;S SMALL CHIPS;D DRILL CUTTINGS;U 1.8
DIA CACO3 CONCRETION AT 13 CM;M CACO3 CONCRETION;O SS AT 48 CM;H FIRM,
FISSILE
Leg : 57 Depth Top/Bottom of Layer(m) : 578.00/ 578.60
Hole: 441A Depth to Top of Core(m) : 576.50
Core: 10 Depth Top/Bottom Interval(mm): 00/ 600
Sect: 2
Visual Text Description:
MAL CLAYSTONE;C 5G4/1-DK GRN GRY,N4-GRY,N6-GRY;S 0-50CM DRILLING CHIPS,
50-60 CM LESS THAN 5 MM CALCITECEMENTED BRECCIA THIN VEINLETS OF CALCITE
SEPARATING CLOTS OF 5G4/1 CLAYST (DOES NOT EFF) AND N4-N6CALC CHALK(??)
SILT SIZED W/DK ANG SD-SILT GRAINSTIGHTLY CEMENTED;D 0-50 CM SOUPY
DRILLING CHIPS,50-60 CM MODERATE;U 35-50 CM EFF W/HCL;M CALCITE,CHALK??;O
BOTTOM MOST LITHOLOGY MAY EXPLAIN WHY CORE CONSISTS OF NOTHING BUT SMALL
CHIPS,SS AT 51 (GRN)AND 52 (N4-N6) CM--SMEARS DON'T RECORD DIFFERENCE,THIN
SECTION 52-54 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 578.70/ 578.70
Hole: 441A Depth to Top of Core(m) : 576.50
Core: 10 Depth Top/Bottom Interval(mm): 00/ 100
Sect: CC
Visual Text Description:
MAL CLAYSTONE;C 5G6/1-DK GRN GRY,N5;S 5-10 CM 5G6/1CALC CLAYST MOTTLED V
SLI W/N5 STREAKS,0-5 DRLGCHIPS;D 0-5 CM HIGH,5-10 CM SLIGHT TO MODERATE
Leg : 57 Depth Top/Bottom of Layer(m) : 586.00/ 587.40
Hole: 441A Depth to Top of Core(m) : 586.00
Core: 11 Depth Top/Bottom Interval(mm): 00/1400
Sect: 1
Visual Text Description:
MAL RESEDIMENTED BRECCIA;C 5Y3/1-DK GRN GRY,5GY4/1-DK.GRN GRY,5Y8/1-YEL
GRY,N8-WH,5Y4/1,5GY2/1,-WH,5GY5/1;S 0-30 CM CUTTINGS--CHIPS OF 5Y3/1,
30-115 CM MIXEDCLAST COLORS NON-CALC RESED BRECCIA: OVERALL5GY4/1
TYPICALLY 5 MM OR SMALLER ANGULAR CLASTS.MOSTLY CLAST SUPPORTED W/SPARSE
MATRIX HOWEVER SOMECLASTS UP TO 1.5 CM VERY CRUDE STRATIFICATIONGIVES
POSSIBLE 35-45 DEG DIP CLASTS DOMINANTLY OF5GY5/1 (+ SLI COLOR VARIATIONS)
CLAYST W/A FEW 5Y8/1 ANGULAR (<3 MM) CALC CLASTS AND MINOR CONTRIBUTIONOF
5Y4/1 CLAYST SOME CLASTS SILTY (SOME 5GY2/1GLAUCONITIC)--MOST ARE ANGULAR
+ APPEAR TO HAVE BEEN LITHIFIED WHEN RESEDIMENTED BUT SOME REGIONS
SHOWCLASTS WHOSE MARGINS APPEAR ROUNDED AND CONFORM TOMARGINS OF ADJOINING
CLASTS AS THOUGH UNLITHIFIEDWHEN RESEDIMENTED + SLI SQUEEZED OR SUTURED
TOADJOINING CLASTS FRACTURES OR JOINTS MEASURED INUNCUT CORE SECT(ANGLE
FROM HORIZ): 60-66 CM 51 DEG 88-90 CM 45 DEG 87 CM 3 DEG 93 CM 28 DEG 96
CM 29DEG 71-74 CM 59 DEG 84-96 CM 85 DEG, N8 TUFFCLAST AT 70 CM,115-140 CM
5Y3/1 CUTTINGS,MINOR N8ASH MOTTLE IN CHIP AT 127 CM;D SOUPY 0-30 AND
115-140 CM,HIGH 30-115 CM;U PIECE FROM 30-39 CM: SMEARED OUT STREAKS OF
5Y4/1 + 5Y6/1 + 5GY2/1 W/WH PUMICESPECKS IN UPPER PART--SMEARED IN
VERTICAL SENSEFAULT CONTACT AT 33 CM TUFFACEOUS + VITRIC + GLAUCBELOW
FAULT;M TUFF,PUMICE,GLAUC,ASH,CALCAREOUS;O SSAT 49,70,AND 126 CM;Z
33219000
Leg : 57 Depth Top/Bottom of Layer(m) : 587.50/ 587.60
Hole: 441A Depth to Top of Core(m) : 586.00
Core: 11 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
MAL BRECCIA;S CONTINUED CUTTINGS OF BRECCIA UNIT;D SOUPY;Z 33219000
Leg : 57 Depth Top/Bottom of Layer(m) : 605.24/ 606.50
Hole: 441A Depth to Top of Core(m) : 605.00
Core: 12 Depth Top/Bottom Interval(mm): 240/1500
Sect: 1
Visual Text Description:
MAL CLAYSTONE;C 5G2/1-GRN BLK,5G3/1-GRN BLK;S 24-60 CM SLIGHTLY GRADED
SAND WASH--CLAYEY SILT,REST ISCLAYST;D DRILL CUTTINGS THROUGHOUT;O SS AT
36 + 126
Leg : 57 Depth Top/Bottom of Layer(m) : 606.50/ 607.10
Hole: 441A Depth to Top of Core(m) : 605.00
Core: 12 Depth Top/Bottom Interval(mm): 00/ 600
Sect: 2
Visual Text Description:
MAL CLAYSTONE;C 5G3/1,5Y5/1-LT OL GRY;S 5G3/1 CUTTINGS THROUGHOUT W/SOME
5Y5/1 CHIPS MIXED IN;D SOUPY;U 23-28 CM PIECE OF 5Y5/1--PROBABLY ORIGINAL
LITHBUT NOT THE DOMINANT ONE OF THE CUTTINGS NUMEROUSLIGHT VEINS
(NON-CALC) IN PREFERRED DIRECTION NOOFFSET NOTED,VEINS SOMEWHAT BRANCHING;
O SS AT 26 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 607.20/ 607.30
Hole: 441A Depth to Top of Core(m) : 605.00
Core: 12 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
MAL CLAYSTONE;S CUTTINGS;D SOUPY,CUTTINGS;Z 33233000.3450.3651
Leg : 57 Depth Top/Bottom of Layer(m) : 624.32/ 625.32
Hole: 441A Depth to Top of Core(m) : 624.00
Core: 13 Depth Top/Bottom Interval(mm): 320/1320
Sect: 1
Visual Text Description:
MAL CLAYSTONE;C 5G2/1-GRN BLK;S MOSTLY DRILL CUTTINGS,74-81 CM FISSILE
CLAYSTONE--BREAKS EASILY ALONGPARTINGS ALL FRACTURE SURFACES (OF
SEVERALORIENTATIONS) HAVE SLICKENSIDES OR GROOVED POLISHEDAPPEARING
SURFACES,115-122 CM FRACTURES DIPPING 65DEG CLOSELY SPACED PARTINGS;D
SOUPY,DRILL CUTTINGS;O 0-32 CM VOID,SS AT 77 CM
Leg : 57 Depth Top/Bottom of Layer(m) : 625.42/ 625.42
Hole: 441A Depth to Top of Core(m) : 624.00
Core: 13 Depth Top/Bottom Interval(mm): 00/ 100
Sect: CC
Visual Text Description:
MAL CLAYSTONE;C 5Y2/1-GRN GRY BLK;S CUTTINGS;D SOUPY;Z 33233000.3450
Leg : 57 Depth Top/Bottom of Layer(m) : 643.00/ 644.50
Hole: 441A Depth to Top of Core(m) : 643.00
Core: 14 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
GWL SILTY CLAYSTONE;C 5Y4/1,N3,N4,N5,-BLK;S 5Y4/1 SLTY CLAYST,FEW
STRUCTURES VISIBLE,PROBABLE APPARENT DIP <40 DEG,5-50 CM MAINLY CUTTINGS,
50-55 CM PARALLELFRACTURE W/ALPHA=25 DEG MAX,55-85 CM CUTTINGS,85-105 CM
FEW MOTTLES (SMALL) V FINE N4-N5 LAMINS.91-95 (RT DOWNTO LEFT) SHOWING AN
APPARENT DIP OF<40 DEG,105-136 CM CUTTINGS OF THE SOS,136-150 CMPROBABLE
DEWATERING STRUCTURES (BLK 1 MM LG STRKS)V FINE LAMINATIONS SHOWING A <42
DEG BEDDING (DIPBLOCK ROTATED OF? 90 CM);D SLI TO MOD 50-55 + 85-105 +
136-150 CM,REST SOUPY,STRONGLY DISTURBED BYDRLG (OVERALL);U 0-5 CM PEBBLE
OF N3 SILT-SIZED SDST APPROX 3 CM DIA,COARSELY ROUNDED (DRLG)
Leg : 57 Depth Top/Bottom of Layer(m) : 644.50/ 644.62
Hole: 441A Depth to Top of Core(m) : 643.00
Core: 14 Depth Top/Bottom Interval(mm): 00/ 120
Sect: 2
Visual Text Description:
RGIO RECOVERY USED FOR I.W. SAMPLE
Leg : 57 Depth Top/Bottom of Layer(m) : 644.72/ 644.82
Hole: 441A Depth to Top of Core(m) : 643.00
Core: 14 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
KL SILTY CLAYSTONE;S DRILLING CUTTING OF THE SOS OFSEC 1,SOME
SLICKENSIDES VISIBLE ON SMALL BLOCKS;D DRILL CUTTINGS,SOUPY
Leg : 57 Depth Top/Bottom of Layer(m) : 652.50/ 653.73
Hole: 441A Depth to Top of Core(m) : 652.50
Core: 15 Depth Top/Bottom Interval(mm): 00/1230
Sect: 1
Visual Text Description:
KL CLAYSTONE;C 5Y3/1,-BLK;D DRILL CUTTING THROUGHOUT,SOUPY;U PUMICE
PEBBLES (DIA <2-3 MM) AND BLK RND(BASALT? GRAYWACKES?) PEBBLES SCATTERED
THROUGHOUT;M PUMICE,BASALT?,GRAYWACKE?;Z 33233000.3450.3311
Leg : 57 Depth Top/Bottom of Layer(m) : 653.90/ 654.00
Hole: 441A Depth to Top of Core(m) : 652.50
Core: 15 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
KL CLAYSTONE;O SOS SEC 1 (Q.V.);Z 33233000.3450.3311