Leg : 8 Depth Top/Bottom of Layer(m) : 383.00/ 383.19
Hole: 70B Depth to Top of Core(m) : 383.00
Core: 1 Depth Top/Bottom Interval(mm): 00/ 190
Sect: 1
Visual Text Description:
CHERT;C 10YR4/3-YELLOW BROWN,10YR4/2-DK YELLOW BROWN;S FINELY BUT
OBSCURELY LAMINATED NEAR BASE;O CONCHOIDAL FRACTURE;H HARD;Z 21130000
Leg : 8 Depth Top/Bottom of Layer(m) : 383.19/ 383.30
Hole: 70B Depth to Top of Core(m) : 383.00
Core: 1 Depth Top/Bottom Interval(mm): 190/ 300
Sect: 1
Visual Text Description:
LIMESTONE;C 10YR7/4-GRAYISH ORANGE;S GRADED BASALCONTACT;O SILICEOUS
CHERTY APHANITIC;H HARD;Z 12130000
Leg : 8 Depth Top/Bottom of Layer(m) : 383.30/ 383.50
Hole: 70B Depth to Top of Core(m) : 383.00
Core: 1 Depth Top/Bottom Interval(mm): 300/ 500
Sect: 1
Visual Text Description:
CALCAREOUS RADIOLARIAN SILTSTONE;S LAMINATED WITH20 DEGREE DIP,SOME SMALL
PATCHES CUT BEDDING AND APPEAR TO BE BURROWS;H HARD;C 10YR7/4-GRAYISH
ORANGE,-LT GRAYISH ORANGE;Z 33235000
Leg : 8 Depth Top/Bottom of Layer(m) : 383.50/ 384.16
Hole: 70B Depth to Top of Core(m) : 383.00
Core: 1 Depth Top/Bottom Interval(mm): 500/1160
Sect: 1
Visual Text Description:
CHERT;H HARD;C 10YR4/2-DK YELLOW BROWN,10YR6/2-PALE YELLOW BROWN,
5YR4/6-YELLOWISH RED;S 50-75 CM DK YELLOW BROWN HOMOGENEOUS,80-90 CM PALE
YELLOW BROWN WITH RETICULATE VEINS OF OPALESCENT SILICA,90-116 CM PALE
YELLOW BROWN GRADING TO YELLOWISH RED HOMOGENEOUS,BEDDED SEQUENCE IS
CHIEFLY RADS BUT INTERVALS OF CARBONATE DEPOSITION IN LAMINATED ZONES;O
SOMEWHAT GRANULAR;Z 21130000
Leg : 8 Depth Top/Bottom of Layer(m) : 384.00/ 384.24
Hole: 70B Depth to Top of Core(m) : 384.00
Core: 2 Depth Top/Bottom Interval(mm): 00/ 240
Sect: 1
Visual Text Description:
SILICEOUS TO CHERTY CLAYSTONE;C 5YR5/6-REDDISH BROWN,5YR6/4,10YR7/3-VERY
PALE BROWN;H HARD;O SUBCONCHOIDAL FRACTURE;Z 33231000
Leg : 8 Depth Top/Bottom of Layer(m) : 384.24/ 384.28
Hole: 70B Depth to Top of Core(m) : 384.00
Core: 2 Depth Top/Bottom Interval(mm): 240/ 280
Sect: 1
Visual Text Description:
CLAY;H HARD;C 10YR5/4-YELLOW BROWN;O CONCHOIDAL FRACTURE LIKE CHERT OR
SHALE BUT BREAKS INTO ANGULAR FRAGS WHEN WET;Z 33211000
Leg : 8 Depth Top/Bottom of Layer(m) : 384.28/ 385.13
Hole: 70B Depth to Top of Core(m) : 384.00
Core: 2 Depth Top/Bottom Interval(mm): 280/1130
Sect: 1
Visual Text Description:
CHERT;H HARD;C 10YR5/2-YELLOWISH BROWN,2.5YR5/6-OLIVE BROWN,
10YR5/6-YELLOWISH BROWN;O FRACTURED AND RECEMENTED WITH CLEAR DRUSY QTZ
(OPAL?) AT 50 AND 70 CM;S SILTY LAMINAE AT 93 CM WITH HORIZONTAL FRACTURE,
MOSTLY YELLOWISH BROWN WITH MORE OLIVE BROWN 100-113 CM WHERE FRAGMENTED;O
AREAS OF FRAGMENTED OLIVE BROWN LOOK LIKE DIAGENESIS OF FRAGMENTAL LAYERS
-PROBABLY VOLCANIC CLAYS?,MOST OF THE CHERT AND MUDSTONE LAMINAE IS FROM
RAD OOZE WITH RADS STILL VISIBLE UNDER MICROSCOPE;Z 21130000
Leg : 8 Depth Top/Bottom of Layer(m) : 385.50/ 386.80
Hole: 70B Depth to Top of Core(m) : 385.50
Core: 3 Depth Top/Bottom Interval(mm): 00/1300
Sect: 1
Visual Text Description:
CHERT;H HARD;C 2.5YR3/4-DK REDDISH BROWN,2.5YR3/2-DUSKY RED,
10R2/1-REDDISH BLACK,10R2/2-VERY DUSKY RED;S DIPPING 10 DEGREE BEDS AROUND
35 CM,ASH LAYERS 54-55/118-119 CM;O SUBCONCHOIDAL FRACTURE;Z 21130000
Leg : 8 Depth Top/Bottom of Layer(m) : 387.10/ 387.10
Hole: 70B Depth to Top of Core(m) : 387.00
Core: 4 Depth Top/Bottom Interval(mm): 0/ 0
Sect: CC
Visual Text Description:
CHERT;O VITREOUS,CONCHOIDAL FRACTURE;C 10YR3/2-DUSKY YEL BROWN,10YR2/2,
5YR6/4-LT BRN,10YR6/2-PALE YELLOW BROWN;S AREAS IN SOME PLACES GRADE INTO
THE CHERT IN OTHERS ARE SHARPLY BOUNDED BY FRACTURE LINES INTHE CHERT;O
LARGE DRUSY QTZ ENCRUSTED OPEN FRACTURE;Z 21130000
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