Leg : 49 Depth Top/Bottom of Layer(m) : 0.10/ 0.10
Hole: 409 Depth to Top of Core(m) : 0.00
Core: 1 Depth Top/Bottom Interval(mm): 00/ 00
Sect: CC
Visual Text Description:
MINOR MEDIUM GRAINED SAND;P FORAM RICH;O RECOVERED FROM THREE
UNSUCCESSFUL ATTEMPTS TO SPUD IN WITHOUT WASHING OUT THE HOLE,ALSO
CONTAINS BASALT GRAINS;H SOFT;Z 33212000.3450.1210
Leg : 49 Depth Top/Bottom of Layer(m) : 24.50/ 26.00
Hole: 409 Depth to Top of Core(m) : 24.50
Core: 2 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
SANDY MUD;C 5Y4/1,-WHITE,5Y5/1;S O-120CM INTERLAYERED AND SANDY BEDS;D
APPARENTLY LITTLE DEFORMED;U RARE SCATTERED BASALT PEBBLES;P SHELLS,WHITE
"HAIR" COMMON-SPONGE SPICULES;O 0-120CM COLOR 5Y4/1,120-150CM COLOR 5Y5/1;
H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 26.00/ 26.44
Hole: 409 Depth to Top of Core(m) : 24.50
Core: 2 Depth Top/Bottom Interval(mm): 00/ 440
Sect: 2
Visual Text Description:
INTERLAYERED SANDY MUD;C 5Y4/1,5Y5/1;D 0-20CM HIGHLY DEFORMED,20-44CM
LIGHTLY DEFORMED;O POSSIBLE TURBIDITE;H SOFT;Z 33212000.3450.1210
Leg : 49 Depth Top/Bottom of Layer(m) : 26.44/ 26.64
Hole: 409 Depth to Top of Core(m) : 24.50
Core: 2 Depth Top/Bottom Interval(mm): 440/ 640
Sect: 2
Visual Text Description:
CLAY;C 5Y6/1;D LIGHTLY DEFORMED;H SOFT;Z 33211000
Leg : 49 Depth Top/Bottom of Layer(m) : 26.64/ 27.45
Hole: 409 Depth to Top of Core(m) : 24.50
Core: 2 Depth Top/Bottom Interval(mm): 640/1450
Sect: 2
Visual Text Description:
INTERLAYERED CLAY AND SANDY MUD;C 5Y6/1,5Y5/1;D HIGHLY DEFORMED;U BASALT
SCORIA PEBBLE AT 95CM;P SPONGE SPICULES COMMON THROUGHOUT;O CLAY IS 5Y6/1,
MUD IS5Y5/1,SANDY LAYERS APPEAR TO CONTAIN BASALT GRAINS;H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 27.50/ 28.60
Hole: 409 Depth to Top of Core(m) : 24.50
Core: 2 Depth Top/Bottom Interval(mm): 00/1100
Sect: 3
Visual Text Description:
SANDY MUD;C 5GY6/1-GREENISH GRAY,5Y3/1,5Y5/1;S THIN INTERBED OF 5Y5/1
FORAM RICH SANDY MUD AT 83CM;D LIGHTLY DEFORMED;P 0-50CM FORAMS;O 0-50CM
COLOR IS 5GY6/1 MINOR BASALT GRAINS PRESENT,50-145CM COLOR IS5Y3/1,
POSSIBLE TURBIDITE DEPOSITS;H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 28.70/ 28.70
Hole: 409 Depth to Top of Core(m) : 24.50
Core: 2 Depth Top/Bottom Interval(mm): 00/ 100
Sect: CC
Visual Text Description:
SANDY MUD;C 5Y4/1;U ROUNDED FRAGMENT OF DENSE HIGHLY VESICULAR APHYRIC
BASALT;H SOFT;Z 33212000
Leg : 49 Depth Top/Bottom of Layer(m) : 34.10/ 34.10
Hole: 409 Depth to Top of Core(m) : 34.00
Core: 3 Depth Top/Bottom Interval(mm): 0/ 0
Sect: CC
Visual Text Description:
SILTY CLAY;C 5Y3/2;O SMALL GLOB OF THIS CLAY;H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 43.50/ 45.00
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
INTERMIXED SANDY MUD AND SILTY MUD;C 5Y3/2;D HIGHLY DEFORMED;U LIMESTONE
ERRATIC AT 35CM;P CLAMSHELLSAT 10CM AND 140CM;O POSSIBLE DISTURBED
TURBIDITES;HSOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 45.00/ 46.50
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
MIXED SILTY CLAY AND SANDY MUD;C 5Y3/2,5Y4/3;D HIGHLY DEFORMED;U
SCATTERED ERRATIC BASALT PEBBLES;P SCATTERED CLAM SHELLS,SPONGE SPICULES
APPARENT;O POSSIBLE TURBIDITE,CLAY IS 5Y3/2,MUD IS 5Y4/3;H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 46.50/ 47.22
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 00/ 720
Sect: 3
Visual Text Description:
SILTY MUD;C 5Y3/2;D HIGHLY DEFORMED;P SCATTERED CLAM SHELLS;O POSSIBLE
DISTURBED TURBIDITE SEQUENCE;HSOFT;Z 33212000
Leg : 49 Depth Top/Bottom of Layer(m) : 47.22/ 47.60
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 720/1100
Sect: 3
Visual Text Description:
INTERMIXED SILTY CLAY AND MEDIUM TO COARSE SAND;C5Y3/2,5Y4/3;D HIGHLY
DEFORMED;O POSSIBLE DISTURBED TURBIDITE SEQUENCE,CLAY IS 5Y3/2,SAND IS
5Y4/3;H SOFT;Z 33212000
Leg : 49 Depth Top/Bottom of Layer(m) : 47.60/ 47.67
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 1100/1170
Sect: 3
Visual Text Description:
FINE TO MEDIUM GRAINED SAND;C 5Y4/3;H SOFT;Z 33212000
Leg : 49 Depth Top/Bottom of Layer(m) : 47.67/ 47.70
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 1170/1200
Sect: 3
Visual Text Description:
SILT TO FINE SAND;C 5Y4/3;H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 47.70/ 47.93
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 1200/1430
Sect: 3
Visual Text Description:
MEDIUM TO FINE SAND;C 5Y4/3;S GRADED;H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 47.93/ 48.00
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 1430/1500
Sect: 3
Visual Text Description:
SILTY MUD;C 5GY3/2-GRAYISH OLIVE GREEN;H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 48.00/ 48.70
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 00/ 700
Sect: 4
Visual Text Description:
SAND GRADING TO SILTY CLAY;C 5Y3/1,5Y4/4,5GY4/1,5Y4/1;S 3 TURBIDITE
SEQUENCES - 0-20CM 20-35CM 35-70CM;D 0-12CM HIGHLY DEFORMED;P 35-70CM
SECTION IS CLAM SHELL RICH AT BASE;O 0-20CM FINE SAND AT BASE IS 5Y3/1
CLAY IS 5Y4/4 AND 5GY4/1,20-35CM FINE SAND ATBASE COLOR IS 5Y3/1,35-70CM
MEDIUM TO FINE SAND ATBASE COLOR IS 5Y4/1;H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 48.70/ 49.08
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 700/1080
Sect: 4
Visual Text Description:
COARSE TO MEDIUM SAND GRADING TO FINE SAND AND SILTY CLAY;C 5Y5/3,5Y4/2,
5GY4/1;O COARSE TO MEDIUM SAND IS 5Y5/3,FINE SAND IS 5Y4/2,SILTY CLAY IS
5GY4/1;HSOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 49.08/ 49.50
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 1080/1500
Sect: 4
Visual Text Description:
MEDIUM SAND GRADING TO SILTY CLAY;C 5Y4/3,5Y4/1;OSAND IS 5Y4/3,CLAY IS
5Y4/1;H SOFT;Z 11111221
Leg : 49 Depth Top/Bottom of Layer(m) : 49.50/ 49.78
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 00/ 280
Sect: 5
Visual Text Description:
SILTY CLAY TO SANDY MUD;C 5Y3/2;S ONE OR POSSIBLYTWO GRADED CYCLES;P CLAM
RICH ZONE AT 15CM;H SOFT;Z 11111221
Leg : 49 Depth Top/Bottom of Layer(m) : 49.78/ 50.05
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 280/ 550
Sect: 5
Visual Text Description:
SAND TO SILTY CLAY;C 5Y4/3,5Y5/1,5Y3/1,5Y4/1;S GRADED SEQUENCE;O 5Y4/3
MEDIUM TO FINE SAND AT BOTTOM TO SILTY 5Y5/1 CLAY TO SILTY 5Y3/1 CLAY TO
SILTY 5Y4/1 CLAY WITH CLAM SHELL FRAGMENTS;H SOFT;Z 11111221
Leg : 49 Depth Top/Bottom of Layer(m) : 50.20/ 50.20
Hole: 409 Depth to Top of Core(m) : 43.50
Core: 4 Depth Top/Bottom Interval(mm): 0/ 0
Sect: CC
Visual Text Description:
INTERMIXED SILTY CLAY AND MEDIUM TO FINE SAND;C 5Y3/1,5GY4/1-DARK
GREENISH GRAY;D HIGHLY DEFORMED;O CLAY IS 5Y3/1,SAND IS 5GY4/1;H SOFT;Z
11111221
Leg : 49 Depth Top/Bottom of Layer(m) : 53.00/ 54.50
Hole: 409 Depth to Top of Core(m) : 53.00
Core: 5 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
SANDY MUD;C 5Y5/1-GRAY,-BROWN,-GREEN;S BROWN COARSER LAYERS AT 15-20CM
AND 110-120CM,THERE ARE TRACESOF SANDY LAYERS THROUGHOUT THE CORE,TAKING
THE PREVIOUS AND SUBSEQUENT SECTIONS INTO ACCOUNT THIS SECTION PROBABLY
FORMS PART OF THE TURBIDITE SEQUENCE;D MODERATELY DEFORMED,DEFORMATION
OBSCURES THE ORIGINAL POSITION OF THE SANDY LAYERS,BECAUSE OF THE
DEFORMATION THERE ARE NO OBVIOUS SIGNS OF GRADING;M GREEN TRACES IN THE
SANDY LAYER FROM 110-120CM - PROBABLY GLAUCONITE;P THIS SECTION HAS
ABUNDANT FORAMS AND BRYOZOA AND A FEW BIVALVE SHELLS UP TO ABOUT 5MM IN
TRANSVERSE SECTION,THE SANDY LAYERS ARE MORE FOSSILIFEROUS THAN THE FINER
MUD;O MAIN COLOR 5Y5/1;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 54.50/ 56.00
Hole: 409 Depth to Top of Core(m) : 53.00
Core: 5 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
MUD TO SAND;C 2.5Y/3.1-GRAY,5Y5/1-BROWN;S 3 GRADED UNITS OF SIMILAR
COMPOSITION;D 0-30CM AND 97-150CM MODERATELY DEFORMED,30-97CM THIS MIDDLE
UNIT IS INTENSELY DEFORMED AND THE COARSER PARTS ARE MIXED WITH THE FINER
PARTS BUT THE MATERIAL IS THE SAME AS THE UNITS ABOVE AND BELOW;P SECTION
AGAIN FOSSILIFEROUS - FORAMS BRYOZOA AND BIVALVES ESPECIALLY IN THE
COARSER UNITS;O MUD IS 2.5Y/3.1,SAND IS 5Y5/1,PART OFGRADED UNIT AT BASE
WITH JUST A LITTLE SAND RIGHT AT BASE;H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 56.00/ 57.50
Hole: 409 Depth to Top of Core(m) : 53.00
Core: 5 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
MUD TO SAND;C 2.5Y3/1,5Y5/1,5Y8/2,5Y4/2-GRAY;S CONTINUED TURBIDITE
SEQUENCE WITH SAME MATERIAL AS ABOVE,1 UNIT 0-60CM,FROM 60-100CM IT IS
MORE DIFFICULT TO BREAK UP INTO UNITS - IT APPEARS THAT THESE ARE TWO THIN
GRADED UNITS;D MODERATELY DEFORMED;P 0-60CM FORAMS BRYOZOA BIVALVES,
60-100CM MORE FOSSILIFEROUS,100-150CM FOSSILIFEROUS;O 0-60CM MUD IS
2.5Y3/1 SAND IS 5Y5/1,60-100CM THE COARSEST PART OF THESE UNITS IS
DIFFERENT FROM THE OVERLYING UNITS - IT IS LIGHTER COLORED -5Y8/2 - AND
COARSER,100-150CM NON-GRADED MUD IS 5Y4/2;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 57.50/ 57.85
Hole: 409 Depth to Top of Core(m) : 53.00
Core: 5 Depth Top/Bottom Interval(mm): 00/ 350
Sect: 4
Visual Text Description:
MUD;C 2.5Y3/1;D LIGHTLY DEFORMED;P FOSSILIFEROUS;H FIRM;Z 11110000
Leg : 49 Depth Top/Bottom of Layer(m) : 57.85/ 58.65
Hole: 409 Depth to Top of Core(m) : 53.00
Core: 5 Depth Top/Bottom Interval(mm): 350/1150
Sect: 4
Visual Text Description:
COARSER SAND;C -BROWN;S DEFINITE GRADING BUT IT IS DIFFICULT TO SPLIT UP
INTO UNITS BUT THERE ARE AT LEAST 2 AND PROBABLY 3 OF THEM;D LIGHTLY
DEFORMED;P FOSSILIFEROUS;O VARIOUS SHADES OF BROWN;H FIRM;Z 11110000
Leg : 49 Depth Top/Bottom of Layer(m) : 58.65/ 58.90
Hole: 409 Depth to Top of Core(m) : 53.00
Core: 5 Depth Top/Bottom Interval(mm): 1150/1400
Sect: 4
Visual Text Description:
MUD;C 5Y4/2-GRAY;D LIGHTLY DEFORMED;H FIRM;Z 11110000
Leg : 49 Depth Top/Bottom of Layer(m) : 59.00/ 59.10
Hole: 409 Depth to Top of Core(m) : 53.00
Core: 5 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
MUD;C 2.5Y3/1-GRAY;P LARGE CONCENTRATION OF BRYOZOA,FOSSILIFEROUS;H SOFT;
Z 11110000
Leg : 49 Depth Top/Bottom of Layer(m) : 62.50/ 63.95
Hole: 409 Depth to Top of Core(m) : 62.50
Core: 6 Depth Top/Bottom Interval(mm): 00/1450
Sect: 1
Visual Text Description:
MUD;C 5Y4/1-GRAY,5GY3/1-GREEN;S 90-95CM 5GY3/1 LAYER SAME GRAIN SIZE;D
LIGHTLY DEFORMED;P CONTAINS FOSSILS BUT LESS SO THAN THE PREVIOUS CORE,
AGAIN BRYOZOA MOST COMMON VISIBLE FOSSIL;O MAIN COLOR 5Y4/1,SECTION QUITE
HOMOGENOUS;H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 64.00/ 65.50
Hole: 409 Depth to Top of Core(m) : 62.50
Core: 6 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
MUD;C 5Y4/1-GRAY;D MODERATELY DISTURBED;P SPARSELY DISTRIBUTED BRYOZOA;O
VERY HOMOGENOUS,SMALL DARK ASH FRAGMENTS AT 130CM;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 65.50/ 65.60
Hole: 409 Depth to Top of Core(m) : 62.50
Core: 6 Depth Top/Bottom Interval(mm): 00/ 100
Sect: 3
Visual Text Description:
SANDY MUD;C N4-MEDIUM DARK GRAY;D MODERATELY DEFORMED;P LARGE FORAMS;H
FIRM;Z 33212000.1110
Leg : 49 Depth Top/Bottom of Layer(m) : 65.60/ 66.24
Hole: 409 Depth to Top of Core(m) : 62.50
Core: 6 Depth Top/Bottom Interval(mm): 100/ 740
Sect: 3
Visual Text Description:
CLAY;C 5G4/1-DARK GREENISH GRAY,N3-DARK GRAY,N4-MEDIUM DARK GRAY;D
10-65CM MODERATELY DEFORMED,65-74CM HIGHLY DEFORMED;P 34-74CM STRINGERS OF
FORAM SAND;O 10-24CM COLOR 5G4/1,24-34CM COLOR N3,34-74CM COLORN4;H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 66.24/ 66.34
Hole: 409 Depth to Top of Core(m) : 62.50
Core: 6 Depth Top/Bottom Interval(mm): 740/ 840
Sect: 3
Visual Text Description:
SLIGHTLY SANDY CLAY;C 5Y4/1-OLIVE GRAY;D HIGHLY DEFORMED;H SOFT;Z
33212000.1110
Leg : 49 Depth Top/Bottom of Layer(m) : 66.34/ 66.85
Hole: 409 Depth to Top of Core(m) : 62.50
Core: 6 Depth Top/Bottom Interval(mm): 840/1350
Sect: 3
Visual Text Description:
CLAY;C N4-MEDIUM DARK GRAY;D HIGHLY DEFORMED;P LARGE FORAMS,POCKET OF
FORAM SAND AT 129-135CM;H FIRM;Z 33212000.1110
Leg : 49 Depth Top/Bottom of Layer(m) : 67.01/ 67.11
Hole: 409 Depth to Top of Core(m) : 62.50
Core: 6 Depth Top/Bottom Interval(mm): 00/ 200
Sect: CC
Visual Text Description:
FORAM SAND WITH CLAY;C 5Y5/3-OLIVE,5Y4/1-DARK GRAY;D SOUPY;O 5Y5/3 SAND
WITH 5Y4/1 CLAY AGAINST LINERAND BETWEEN CORE CATCHER SECTIONS AND AT
15-20CM;H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 72.00/ 73.50
Hole: 409 Depth to Top of Core(m) : 72.00
Core: 7 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
SANDY MUD;C 5Y3/1-VERY DARK GRAY,5Y5/1-GRAY,10G4/2-GRAYISH GREEN;S
MOTTLED WITH 5Y5/1;D HIGHLY DISTURBED;U 10G4/2 CLAY CLAST AT 72CM;P
ABUNDANT SPONGE SPICULES THROUGHOUT,FORAMS VISIBLE AND BRYOZOA TUBES,LARGE
PELECYPOD SHELL FRAGMENT AT 67CM;O MAIN COLOR 5Y3/1;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 73.50/ 75.00
Hole: 409 Depth to Top of Core(m) : 72.00
Core: 7 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
MUD;C 5Y4/1-GRAY,-WHITE,-GREENISH GRAY;S GREENISHGRAY LAYERS THROUGHOUT
BUT THEY ARE HIGHLY DISTURBED;D HIGHLY DEFORMED;P FOSSILIFEROUS,ABUNDANT
FEATHERY SPONGE SPICULES THROUGHOUT,WHITE BRYOZOA FORAMS AND BIVALVES,
LARGE BIVALVE FRAGMENT AT 92-94CM;O MAINCOLOR 5Y4/1;H FIRM 0-120CM,
120-150CM SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 75.00/ 76.50
Hole: 409 Depth to Top of Core(m) : 72.00
Core: 7 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
HOMOGENOUS MUD;C 5Y4/1-GRAY;D 70-150CM SOUPY;M 70-150CM QUITE A LOT OF
DARK HEAVY MINERAL FARGMENTS VISIBLE;P FOSSILIFEROUS,LARGE BIVALVE
FRAGMENT AT 10CM,SPONGE SPICULES COMMON;H SOFT
Leg : 49 Depth Top/Bottom of Layer(m) : 76.50/ 78.00
Hole: 409 Depth to Top of Core(m) : 72.00
Core: 7 Depth Top/Bottom Interval(mm): 00/1500
Sect: 4
Visual Text Description:
HOMOGENOUS MUD;C 5Y4/1-GRAY;D HIGHLY DEFORMED;M HEAVY MINERAL
CONCENTRATIONS THROUGHOUT SECTION;P FULL OF SPONGE SPICULES AND LARGE
BIVALVE FRAGMENTS;O FIRMER MUD CLASTS THROUGHOUT THE SECTION,SANDY
CLASTSWITHIN THE MUD;H SOFT;Z 33213000
Leg : 49 Depth Top/Bottom of Layer(m) : 78.00/ 79.50
Hole: 409 Depth to Top of Core(m) : 72.00
Core: 7 Depth Top/Bottom Interval(mm): 00/1500
Sect: 5
Visual Text Description:
SANDY MUD;C 5Y4/1-GRAY,-BLACK;D HIGHLY DEFORMED;SLOT OF BLACK MINERAL
GRAINS;P LOT OF BIVALVE SHELL FRAGMENTS AND BRYOZOA,FEW SPONGE SPICULES
VISIBLE;O MAIN COLOR 5Y4/1,NUMEROUS FRAGMENTS OF THE SAME MATERIAL IN A
MUCH FIRMER MATRIX;H SOFT;Z 33212000.1110
Leg : 49 Depth Top/Bottom of Layer(m) : 79.50/ 80.05
Hole: 409 Depth to Top of Core(m) : 72.00
Core: 7 Depth Top/Bottom Interval(mm): 00/ 550
Sect: 6
Visual Text Description:
SEDIMENT;C 5Y4/1-DARK GRAY;S CONTACT WITH BASALT AT 55CM;D HIGHLY
DEFORMED;P ABUNDANT FORAMS AND BRYOZOA,SEVERAL VERY LARGE MOLLUSK SHELL
FRAGMENTS AT CONTACT WITH BASALT;H SOFT;Z 33212000.1110
Leg : 49 Depth Top/Bottom of Layer(m) : 80.05/ 81.00
Hole: 409 Depth to Top of Core(m) : 72.00
Core: 7 Depth Top/Bottom Interval(mm): 550/1500
Sect: 6
Visual Text Description:
BASALT;S GLASSY CONTACT ZONE WITH SEDIMENT AT 55CM - GLASSY MARGIN IS
ABOUT 2MM THICK;M PLAGIOCLASE PHENOCRYST ABOUT 5MM LONG AT 45-55CM,
55-150CM PLAGIOCLASE PORPHYRITIC,SOME VESICLES LINED WITH PYRITE,SOME
VESICLES LINED WITH A PLATY ZEOLITE;P SEDIMENT AT CONTACT CONTAINS FORAMS;
O TOP OF A BASALT LAVA FLOW AT 37CM,AT 45CM IS A FINE-GRAINED
NON-VESICULAR ZONE1CM THICK,5% VESICLES AT 45-55CM,55-150CM LESS THAN5%
VESICLES - VESICLES ARE SMALLER THAN THOSE IN PREVIOUS SECTION,ALL BASALT
IS FINE TO MEDIUM GRAIN SIZE,VESICLES ARE USUALLY EMPTY OR PARTIALLY LINED,
BASALT APPEARS TO BE ONLY SLIGHTLY HYDROTHERMALLY ALTERED;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 81.00/ 81.90
Hole: 409 Depth to Top of Core(m) : 72.00
Core: 7 Depth Top/Bottom Interval(mm): 00/ 900
Sect: 7
Visual Text Description:
SLIGHTLY COARSER GRAINED BASALT;C -BLUE;S 35-45CMTHERE IS A FINE-GRAINED
VESICULAR ZONE CUTTING THE MASSIVE BASALT - REPRESENTS A GAS BUBBLE TRAIL;
M VESICLES ARE INFILLED ESPECIALLY WITH SMECTITE,PLAGIOCLASE
MICROPHENOCRYSTS STILL PRESENT BUT NOW ONLY ABOUT 2-3%,0-20CM IN THE
VESICLES A ZEOLITE WHICH HAS COFIN-SHAPED CRYSTALS CAN BE DISTINGUISHED
WITH THE BINOCULAR MICROSCOPE THIS ZEOLITE MAY BE HEULANDITE - A ZEOLITE
FOUND IN THE LOW TO MEDIUM GRADE ZONES OF ICELAND,THERE IS A LOT OF BLUE
MATERIAL IN VESICLES AND ON THE DRILLED SURFACES - THESE ARE ARBITRARILY
CALLED SMECTITE BUT A MORE PRECISE IDENTIFICATION WOULD BE HELPFUL;O
BASALT IS LESS VESICULAR AND THE VESICLES ARE MORE INFILLED,THIS BASALT
PROBABLY REPRESENTS THE MASSIVE CENTER OF A FLOW,THE CORE
CATCHERDESCRIPTION IS INCLUDED WITH THIS SECTION,IT APPEARS THAT THE
BASALT RECOVERED IN CORES 7-6 7-7 AND CCBELONG TO THE SAME FLOW;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 82.00/ 82.13
Hole: 409 Depth to Top of Core(m) : 81.50
Core: 8 Depth Top/Bottom Interval(mm): 500/ 630
Sect: 1
Visual Text Description:
POSSIBLE LOW POTASSIUM THOLEIITE;C -LIGHT GRAY;S POSSIBLE FLOW BANDING;M
OLIVINE AND PLAGIOCLASE MICROPHENOCRYSTS,OLIVINE UP TO 2MM DIAMETER;O FINE
GRAINED MATRIX,GREATER THAN 5% 1MM VESICLES;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 82.13/ 82.70
Hole: 409 Depth to Top of Core(m) : 81.50
Core: 8 Depth Top/Bottom Interval(mm): 630/1200
Sect: 1
Visual Text Description:
APHANITIC FINE-GRAINED BASALT;M SOME VESICLES HAVE A SMECTITE LINING;O
GREATER THAN 10% VESICLES WHICH HAVE A DIAMETER OF 3 OR 4MM,WHOLE SECTION
RELATIVELY UNALTERED;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 91.00/ 92.50
Hole: 409 Depth to Top of Core(m) : 91.00
Core: 9 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
HIGHLY VESICULAR APHYRIC FINE GRAINED BASALT;S HORIZONTAL STRUCTURES DUE
TO HIGH VESICLE CONCENTRATIONS THESE CORRESPOND TO ZONES OF OXIDATION
SUCH HORIZONTAL STRUCTURES CONFIRM THAT THESE ARE FLOWS AND NOT DYKES;M
THERE ARE SEVERAL OXIDIZED ZONES ASSOCIATED WITH CALCITE AND BROWN IRON
OXIDE FILLING VESICLES AND VEINS IT IS VERY DOUBTFUL THAT THESE ARE FLOW
MARGINS PROBABLY JUST LATE FRACTURES WITHIN THE LAVA OR BOUNDARIES WITHIN
A COMPOUND UNIT,MOST OF THEROCK IS LITTLE ALTERED WITH SMECTITE JUST
LINING THE VESICLES;O VESICLES ARE 30-35% OF BASALT,VESICLE SIZE VARIES
BETWEEN 1 AND 3MM,120-150CM LARGER VESICLES UP TO 5MM PRESENT;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 92.50/ 94.00
Hole: 409 Depth to Top of Core(m) : 91.00
Core: 9 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
VESICULAR APHYRIC BASALT;M MORE EVIDENCE OF HYDROTHERMAL ALTERATION THAN
IN PREVIOUS SECTIONS - MORE SMECTITE IN VESICLES AND ALSO A FEW VESICLES
FILLED WITH CALCITE,OXIDIZED CALCITE VEINS PRESENT - THESE ARE MARKED IN
BLACK IN COLUMN;O 0-72CM LESS THAN 20%VESICULAR,72-133CM MORE THAN 30%
VESICULAR WITH SMALLER VESICLES THAN THOSE ABOVE,133-150CM SIMILAR TO
0-72CM SECTION THE SIGNIFICANCE OF THIS IS OBSCURE;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 100.50/ 102.00
Hole: 409 Depth to Top of Core(m) : 100.50
Core: 10 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
PLAGIOCLASE MICROPORPHYRITIC BASALT;C -BROWN,-GREENISH,-GREEN,-BLUE;S
CONTACT BETWEEN ALTERED OLIVINERICH BASALT AND LESS ALTERED AT 100CM;M
VARYING CONCENTRATION OF OLIVINE,THE OLIVINE RICH ZONES OF THE BASALT TEND
TO BE SELECTIVELY MORE ALTERED THAN THE LITTLE ALTERED OLIVINE POOR PART
OF THE SECTION,MICROPHENOCRYSTS OF PLAGIOCLASE FORM LESS THAN 5% OF
THEROCK AND ARE UP TO 5MM DIAMETER;O VERY SIMILAR BASALT TO CORE 9.3,0-5CM
MAY BE THE VESICULAR TOP OF A FLOW,WITH THE EXCEPTION OF 0-5CM SECTION
THERE ARE TWO SETS OF VESICLES - 1% GREATER THAN 1MM AND 10% LESS THAN 1MM
DIAMETER,THE OLIVINES ARE WEATHERED BROWN BUT THE ROCK HAS A GREENISH
TINGE WHERE IT IS OLIVINE RICH,VESICLES INFILLING CHANGE COLOR FROM
ALTERED LAYERS TO LESS ALTERED - GREEN IS ALTERED AND BLUEIS UNALTERED;H
FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 102.00/ 103.50
Hole: 409 Depth to Top of Core(m) : 100.50
Core: 10 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
FINE-GRAINED VESICULAR APHYRIC BASALT;C -BLUE-GRAY;M MICROPHENOCRYSTS OF
OLIVINE LESS THAN 1MM DIAMETER,SOME OF OLIVINE IS FRESH,INSIDE WALL OF
VESICLES COVERED WITH BLUE-GRAY MINERALS WHICH ARE POSSIBLY SMECTITE OR
CELADONITE,SOME PIECES CONTAIN PYRITE;O VESICLES ABOUT 5-7% OF BASALT
SIZE OF VESICLES - 0.3-0.5MM DIAMETER,THERE ARE ZONES ENRICHED BY
VESICLESAT 25-38CM AND 96-136CM WHERE THE VESICLES RANGE UPTO 2-4MM
DIAMETER;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 103.50/ 105.00
Hole: 409 Depth to Top of Core(m) : 100.50
Core: 10 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
FINE GRAINED APHYRIC BASALT;C -GREEN,-BLUE GREEN;S NO FLOW CONTACTS ARE
APPARENT;M PLAGIOCLASE LATHESOBVIOUS WITH BINOCULAR SCOPE,RARE FRESH
OLIVINE GRAINS,VESICLES ARE LINED WITH SECONDARY MINERALS - GREEN TO BLUE
GREEN;O VESICULARITY INCREASES DOWNWARD DISCONTINUOUSLY FROM A PERCENT OR
TWO IN 0-10CM TO 10-15% AT 125CM-140CM,VESICULARITY DROPS AGAIN TO 1% AT
140-150CM,MOST VESICLES ARE ABOUT 1MM DIAMETER ANDSOME ARE UP TO 3MM
DIAMETER;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 105.00/ 106.50
Hole: 409 Depth to Top of Core(m) : 100.50
Core: 10 Depth Top/Bottom Interval(mm): 00/1500
Sect: 4
Visual Text Description:
FINE-GRAINED VESICULAR APHYRIC BASALT;C -GRAY,-BLUE-GRAY,-DARK GRAY;M
INSIDE WALLS OF VESICLES COVERED WITH GRAY AND BLUE-GRAY MINERALS,SOME
VESICLES FILLED BY DARK GRAY MINERALS,SOME VESICLES PARTLY FILLED BY
PYRITE,CRACKS FILLED WITH PYRITE 10>-136CM,THINVEIN FILLED BY CALCITE AT
67CM,SOME SECTIONS CONTAIN MICROPHENOCRYSTS OF OLIVINE;O VESICLES
DISTRIBUTEDUNEVENLY,SOME ZONES ENRICHED BY VESICLES AT 9-20CM47-52CM
70-74CM 110-125CM AND 145-147CM,VESICLES USUALLY 3-5% OF BASALT,SIZE OF
VESICLES 0.2-0.5MM DIAMETER,VESICLES OF ENRICHED ZONES RANGE FROM 1-3MM
DIAMETER;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 106.50/ 108.00
Hole: 409 Depth to Top of Core(m) : 100.50
Core: 10 Depth Top/Bottom Interval(mm): 00/1500
Sect: 5
Visual Text Description:
FINE-GRAINED APHYRIC BASALT;C -BLUE GREEN;S NO FLOW BOUNDARIES APPARENT;M
PLAGIOCLASE LATHES AND FRESH APPEARING OLIVINE SEEN WITH BINOCULAR SCOPE,
ALL VESICLES ARE LINED WITH SECONDARY MINERALS,30-50CM AND80-110CM SHOW A
SECOND ALTERATION WHICH DEPOSITED ABLUE-GREEN MINERAL IN VESICLES,RARE
PYRITE PRESENT;O VESICLES SMALL - LESS THAN 1MM AND NOT VERY ABUNDANT IN
MOST PIECES,SOME SECTIONS ARE MORE VESICULAR -5-10% VESICLES - WITH
VESICLES UP TO 3MM DIAMETER THESE SECTIONS ARE AT 18CM 30CM 56-70CM
97CM 118-125CM,VERY UNIFORM ROCK BUT NO MASSIVE ROCK INDICATIVE OF
INTERIOR OF A SINGLE THICK FLOW;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 108.00/ 109.50
Hole: 409 Depth to Top of Core(m) : 100.50
Core: 10 Depth Top/Bottom Interval(mm): 00/1500
Sect: 6
Visual Text Description:
FINE-GRAINED VESICULAR APHYRIC BASALT;C -WHITE-GRAY,-BLUE-GREEN;M FEW
MICROPHENOCRYSTS OF OLIVINE LESS THAN 1MM DIAMETER,INSIDE WALLS OF
VESICLES USUALLYCOVERED BY WHITE-GRAY MINERALS,ZONES IN WHICH WALLSOF
VESICLES COVERED BY BLUE-GREEN MINERALS,SOME VESICLES CONTAIN PYRITE;O
VESICLES DISTRIBUTED UNEVENLY,VESICLES USUALLY 5% OF BASALT WITH SIZE
RANGING FROM 0.2-0.5MM DIAMETER,SOME ZONES ENRICHED BY VESICLESAT 15-39CM
83-86CM AND 114-117CM THESE VESICLES ARE UP TO 2MM DIAMETER,POSSIBLY TWO
STAGES OF ALTERATION OF MINERALS IN VESICLES FIRST -WHITE-GRAY MINERALS
SECOND - BLUE-GREEN MINERALS;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 109.50/ 111.00
Hole: 409 Depth to Top of Core(m) : 100.50
Core: 10 Depth Top/Bottom Interval(mm): 00/1500
Sect: 7
Visual Text Description:
FINE-GRAINED APHYRIC BASALT;C -LIGHT COLORED,-GREENISH;S NO FLOW CONTACTS
APPARENT BUT MAY BE PARTS OF SEVERAL FLOWS - BECAUSE NO MASSIVE PIECES
RECOVERED;M VESICLES LINED WITH LIGHT COLORED SECONDARY MINERALS,SOME
SECTIONS SHOW AREAS OF A SECOND ALTERATION TO A GREENISH MINERAL,
PLAGIOCLASE AND RARE FRESH OLIVINE APPARENT WITH BINOCULAR MICROSCOPE,
SCATTERED PYRITE ALSO PRESENT - SOME SURROUNDED BY OXIDATION HALO;O
VESICULARITY SOMEWHAT VARIABLE BUT AVERAGES ABOUT 5-7% WITH 1MM HOLES;H
FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 111.00/ 112.20
Hole: 409 Depth to Top of Core(m) : 100.50
Core: 10 Depth Top/Bottom Interval(mm): 00/1200
Sect: 8
Visual Text Description:
FINE-GRAINED VESICULAR APHYRIC BASALT;C -WHITE-GRAY,-BLUE-GREEN,
-YELLOW-GREEN;M RARE MICROPHENOCRYSTSOF OLIVINE AND PLAGIOCLASE,VESICLES
LINED BY WHITE-GRAY MINERAL,THERE ARE ZONES IN WHICH VESICLES ARE FILLED
BY BLUE-GREEN AND YELLOW-GREEN MINERALS POSSIBLY THESE REPRESENT THE
SECOND STAGE OF ALTERATION;OVESICULARITY ABOUT 5-7% USUALLY WITH VESICLES
0.1-0.3MM DIAMETER AND RARELY UP TO 1MM DIAMETER;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 110.00/ 111.50
Hole: 409 Depth to Top of Core(m) : 110.00
Core: 11 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
VESICULAR FINE-GRAINED APHYRIC BASALT;S NO FLOW BOUNDARIES APPARENT;M
WITH BINOCULAR SCOPE PLAGIOCLASE AND FRESH OLIVINE ARE APPARENT;O VESICLES
ARE LESSTHAN OR EQUAL TO 1MM AND MAYBE 5-10% OF BASALT BUT DIFFICULT TO
ESTIMATE VISUALLY,VERTICAL BANDS SOMETIMES ADJACENT TO VEINS ARE FILLED
VESICLES - SECOND SECONDARY ALTERATION;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 111.50/ 113.00
Hole: 409 Depth to Top of Core(m) : 110.00
Core: 11 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
FINE-GRAINED VESICULAR APHYRIC BASALT;C -BLUE-GRAY,-BLUE-GREEN,-DARK GRAY;
M RARE MICROPHENOCRYSTS OF FRESH OLIVINE AND PLAGIOCLASE SIZE OF OLIVINE
UP TO1MM DIAMETER,VESICLES LINED WITH BLUE-GRAY AND BLUE-GREEN MINERALS,
SOME VESICLES FILLED BY DARK-GRAY MINERALS IT IS LIKE A ZONE OF
HYDROTHERMAL ALTERATION;O VESICULARITY USUALLY ABOUT 5-10%;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 113.00/ 114.50
Hole: 409 Depth to Top of Core(m) : 110.00
Core: 11 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
FINE-GRAINED VESICULAR APHYRIC BASALT;C -LIGHT COLORED;S NO FLOW CONTACTS
APPARENT;M WITH BINOCULAR SCOPE FRESH PLAGIOCLASE AND OLIVINE APPARENT,
VESICLESLINED WITH LIGHT COLORED SECONDARY MATERIAL;O ABOUT10% VESICLES
AND THEY ARE MOSTLY LESS THAN OR EQUALTO 1MM,VERY UNIFORM ROCK;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 114.50/ 115.65
Hole: 409 Depth to Top of Core(m) : 110.00
Core: 11 Depth Top/Bottom Interval(mm): 00/1150
Sect: 4
Visual Text Description:
FINE-GRAINED VESICULAR APHYRIC BASALT;C -BLUE-GREEN;M RARE
MICROPHENOCRYSTS OF FRESH OLIVINE,SOME VESICLES PARTLY FILLED BY
BLUE-GREEN MINERAL;O VESICLES2-5% WITH A SIZE OF ABOUT 0.1-0.3MM;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 119.50/ 121.00
Hole: 409 Depth to Top of Core(m) : 119.50
Core: 12 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
FINE-GRAINED APHYRIC BASALT WITH SMALL VESICLES;C-BLUE GREEN,-DARK GRAY,
-WHITE;M VESICLES FILLED BY BLUE GREEN AND DARK GRAY MINERALS,BASALT
CONTAINS VERY RARE MICROPHENOCRYSTS OF ALTERED OLIVINE AND PLAGIOCLASE,
SOME VESICLES PARTLY FILLED BY CALCITE,VEINSOF CALCITE AT 60-70CM;O
VESICLES UP TO 20% WITH SIZE USUALLY 0.5-1.0MM,10-20CM VESICLES UP TO 4MM
DIAMETER,0-10CM THIS SECTION HAS ZONE OF GLASS WITH FRAGMENTS OF SEDIMENT
IT IS PART OF A BOUNDARY;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 129.00/ 129.70
Hole: 409 Depth to Top of Core(m) : 129.00
Core: 13 Depth Top/Bottom Interval(mm): 00/ 700
Sect: 1
Visual Text Description:
VESICULAR APHYRIC BASALT WITH GLASSY GROUNDMASS;MWITH BINOCULAR SCOPE
SCATTERED CLOTS OF PLAGIOCLASE-OLIVINE MICROPHENOCRYSTS ARE EVIDENT,
45-55CM THIS SECTION HAS A 1CM PATCH OF FRESH LOOKING GLASS ON OUTER CORE
SURFACE;O SPHERICAL VESICLES 15% AVERAGING 1MM DIAMETER;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 129.70/ 129.76
Hole: 409 Depth to Top of Core(m) : 129.00
Core: 13 Depth Top/Bottom Interval(mm): 700/ 760
Sect: 1
Visual Text Description:
BRECCIA OF GLASSY BASALT AND INDURATED FOSSILIFEROUS SEDIMENT;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 129.76/ 130.00
Hole: 409 Depth to Top of Core(m) : 129.00
Core: 13 Depth Top/Bottom Interval(mm): 760/1000
Sect: 1
Visual Text Description:
VESICULAR APHYRIC BASALT WITH GLASSY GROUNDMASS;MWITH BINOCULAR SCOPE
SCATTERED CLOTS OF PLAGIOCLASE-OLIVINE MICROPHENOCRYSTS ARE EVIDENT;O
SPHERICAL VESICLES 15% AVERAGING 1MM DIAMETER;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 130.00/ 130.50
Hole: 409 Depth to Top of Core(m) : 129.00
Core: 13 Depth Top/Bottom Interval(mm): 1000/1500
Sect: 1
Visual Text Description:
TUFFACEOUS FOSSILIFEROUS SEDIMENTARY ROCK;C 5Y6/4-DUSKY YELLOW;P
FRAGMENTS OF CLAM SHELLS OBVIOUS;O FRAGMENTS OF GLASSY VESICULAR BASALT
OBVIOUS;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 130.50/ 130.57
Hole: 409 Depth to Top of Core(m) : 129.00
Core: 13 Depth Top/Bottom Interval(mm): 00/ 70
Sect: 2
Visual Text Description:
SEDIMENT;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 130.57/ 130.70
Hole: 409 Depth to Top of Core(m) : 129.00
Core: 13 Depth Top/Bottom Interval(mm): 70/ 200
Sect: 2
Visual Text Description:
BRECCIA;M CONTAINS VOLCANIC GLASS ALTERED TO PALAGONITE;P CONTAINS FORAMS
AND SHELLS;O CONTAINS FRAGMENTS OF ALTERED BASALT AND CLAY AND CARBONATE;H
FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 130.70/ 132.00
Hole: 409 Depth to Top of Core(m) : 129.00
Core: 13 Depth Top/Bottom Interval(mm): 200/1500
Sect: 2
Visual Text Description:
VERY VESICULAR APHYRIC BASALT;M VESICLES PARTLY FILLED BY CALCITE,SOME
SECTIONS HAVE ZONES OF GLASS 95-130CM AND 140-150CM,113-123CM GLASS PARTLY
ALTEREDTO PALAGONITE;O VESICLES 25% WITH SIZE 1-5MM,70-77CM BRECCIA IT
CONSISTS OF FRAGMENTS OF VERY VESICULAR APHYRIC ALTERED BASALT AND
CARBONATE;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 132.00/ 132.76
Hole: 409 Depth to Top of Core(m) : 129.00
Core: 13 Depth Top/Bottom Interval(mm): 00/ 760
Sect: 3
Visual Text Description:
FINE GRAINED TO GLASSY VESICULAR APHYRIC BASALT;U35-47CM SECTION HAS 3CM
LONG PIPE VESICLE;M ALL VESICLES LINED WITH SECONDARY MATERIAL,SEVERAL
VESICLESARE COMPLETELY FILLED ESPECIALLY AT 25-35CM;O 20-25% VESICLES UP
TO 1CM DIAMETER AVERAGING 2MM;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 138.50/ 140.00
Hole: 409 Depth to Top of Core(m) : 138.50
Core: 14 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
FINE GRAINED TO GLASSY VESICULAR APHYRIC BASALT;MWITH BINOCULAR SCOPE
SCATTERED FRESH PLAGIOCLASE AND OLIVINE ARE EVIDENT,ALL VESICLES ARE LINED
WITH LIGHT SECONDARY MINERALS A FEW ARE COMPLETELY FILLED;O VESICULARITY
FROM 20-30%,MOST VESICLES ARE LESS THAN OR EQUAL TO 1.5MM BUT ARE
NOTICEABLY LARGER AT 35-45CM AND 85-100CM;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 148.00/ 149.50
Hole: 409 Depth to Top of Core(m) : 148.00
Core: 15 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
VERY VESICULAR FINE-GRAINED APHYRIC BASALT;C -WHITE-BLUE,-GRAY-BLUE;M
SOME VESICLES PARTLY FILLED BY CALCITE,VESICLES LINED WITH WHITE-BLUE AND
GRAY-BLUEMINERALS WHICH ARE POSSIBLY SMECTITE AND CELADONITE;O
VESICULARITY UP TO 20% WITH DIAMETER 1-5MM;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 149.50/ 151.00
Hole: 409 Depth to Top of Core(m) : 148.00
Core: 15 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
VESICULAR FINE GRAINED APHYRIC BASALT;M SOME PLAGIOCLASE AND OLIVINE
EVIDENT WITH BINOCULAR SCOPE,VESICLES LINED WITH LIGHT COLORED SECONDARY
MINERALS;O VERY UNIFORM HOMOGENOUS SECTION,VESICLES 20-30% AVERAGING ABOUT
2-2.5MM DIAMETER AND RANGING FROM 0.25-4MM DIAMETER;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 151.00/ 152.50
Hole: 409 Depth to Top of Core(m) : 148.00
Core: 15 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
VERY VESICULAR APHYRIC BASALT;C -BLUE GRAY;M A FEW MICROPHENOCRYSTS OF
OLIVINE - FRESH AND ALTERED,VESICLES LINED WITH BLUE GRAY MINERALS WHICH
ARE POSSIBLY SMECTITE OR CELADONITE,SOME VESICLES PARTLY FILLED WITH
CALCITE;O VESICLES 10%,MAJORITY OF VESICLES 0.5-1.0MM DIAMETER,SOME
VESICLES 3-6MM DIAMETER;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 152.50/ 154.00
Hole: 409 Depth to Top of Core(m) : 148.00
Core: 15 Depth Top/Bottom Interval(mm): 00/1500
Sect: 4
Visual Text Description:
VESICULAR FINE-GRAINED APHYRIC BASALT;C -BLUE GRAY,-DARK GRAY;M VERY RARE
MICROPHENOCRYSTS OF OLIVINE,VESICLES LINED WITH BLUE GRAY MINERALS -
SMECTITE AND CELADONITE,SOME VESICLES FILLED WITH DARK GRAY MINERALS,SOME
VESICLES FILLED PARTLY WITH CALCITE,THERE ARE VEINS OF CALCITE;O
DISTRIBUTION OF VESICLES ISUNEVEN,0-25CM AND 68-72CM ENRICHED BY VESICLES
UP TO 2-3MM DIAMETER,MAJORITY OF VESICLES 0.2-0.6MM DIAMETER;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 154.00/ 155.50
Hole: 409 Depth to Top of Core(m) : 148.00
Core: 15 Depth Top/Bottom Interval(mm): 00/1500
Sect: 5
Visual Text Description:
VESICULAR FINE-GRAINED APHYRIC BASALT;C -DARK GRAY,-BLUE GRAY;M SOME
VESICLES FILLED WITH DARK GRAY MINERAL,SOME VESICLES LINED WITH BLUE GRAY
MINERAL,SOME VESICLES PARTLY FILLED WITH CALCITE,THERE ARE VEINS OF
CALCITE;O VESICLES ABOUT 5% WITH MAJORITY 0.2-0.5MM DIAMETER,RARELY
VESICLES UP TO 2MM DIAMETER;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 155.50/ 156.87
Hole: 409 Depth to Top of Core(m) : 148.00
Core: 15 Depth Top/Bottom Interval(mm): 00/1370
Sect: 6
Visual Text Description:
FINE GRAINED VESICULAR APHYRIC BASALT;C -BLUE GREEN;M SCATTERED
MICROPHENOCRYSTS OF OLIVINE IN TOP 25CM,VESICLES LINED WITH SMECTITE
CALCITE AND RARE ZEOLITE,RARE FRACTURES LINED WITH BLUE GREEN SMECTITE AND
CARBONATE;O VESICLES 5-10% RANGING FROM 0.5-5MM DIAMETER WITH AN AVERAGE
SIZE OF 2-2.5MM,CORE VERY UNIFORM AND RELATIVELY UNALTERED;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 157.50/ 158.92
Hole: 409 Depth to Top of Core(m) : 157.50
Core: 16 Depth Top/Bottom Interval(mm): 00/1420
Sect: 1
Visual Text Description:
VERY VESICULAR FINE-GRAINED APHYRIC BASALT;C -BLUE GRAY,-GREEN GRAY;M
SOME VESICLES PARTLY FILLED WITH CALCITE,VESICLES LINED WITH BLUE GRAY AND
GREEN GRAY MINERALS;O VESICLES DISTRIBUTED UNEVENLY,0-83CM SECTION HAS
LARGE VESICLES UP TO 3MM DIAMETER,83-142CMRARELY 1-2MM,VESICLES UP TO 20%
ESPECIALLY IN UPPERPART OF SECTION;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 159.00/ 160.30
Hole: 409 Depth to Top of Core(m) : 157.50
Core: 16 Depth Top/Bottom Interval(mm): 00/1300
Sect: 2
Visual Text Description:
FINE GRAINED VESICULAR APHYRIC BASALT;C -BLUE GREEN;M SCATTERED
MICROPHENOCRYSTS OF PLAGIOCLASE AND FRESH OLIVINE,SOME VESICLES THINLY
LINED WITH BLUE GREEN SMECTITE OR LESS OFTEN CALCITE;O CORE VERY UNIFORM
AND RELATIVELY FRESH,VESICLES UNEVENLY DISTRIBUTED RANGING FROM 5-12%,
VESICLES AVERAGE DIAMETER 2MM AND RANGING FROM 0.25-8MM,ALL VESICLES ARE
EMPTY OR THINLY LINED;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 167.00/ 168.44
Hole: 409 Depth to Top of Core(m) : 167.00
Core: 17 Depth Top/Bottom Interval(mm): 00/1440
Sect: 1
Visual Text Description:
VESICULAR FINE-GRAINED APHYRIC BASALT;C -GRAY BLUE,-GREEN GRAY,-DARK GRAY;
M RARE MICROPHENOCRYSTS OF OLIVINE,SOME VESICLES FILLED WITH CALCITE,THERE
IS AVEIN OF CALCITE,SOME VESICLES LINED WITH GRAY BLUE AND GREEN GRAY
MINERALS WHICH ARE POSSIBLY SMECTITE AND CELADONITE,SOME VESICLES PARTLY
FILLED WITH DARKGRAY MINERAL,60-90CM MORE OLIVINE RICH THAN THE SECTIONS
ABOVE;O VESICULARITY VARIES,40-70CM UP TO 20% VESICLES WITH DIAMETER 1-3MM;
H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 168.50/ 169.17
Hole: 409 Depth to Top of Core(m) : 167.00
Core: 17 Depth Top/Bottom Interval(mm): 00/ 670
Sect: 2
Visual Text Description:
FINE-GRAINED VESICULAR APHYRIC TO PHYRIC BASALT;C-BLUE GREEN;M SCATTERED
MICROPHENOCRYSTS OF PLAGIOCLASE AND ALTERED OLIVINE RANGING UP TO 2MM
DIAMETER,SOME VESICLES THINLY LINED WITH BLUE GREEN SMECTITE;O VESICLES
UNEVENLY DISTRIBUTED AND RANGE FROM 2-15%WITH DIAMETER 0.2-10MM,ALL
VESICLES ARE EMPTY OR THINLY LINED,OLIVINE RICH LIKE SECOND HALF OF 17.1;H
FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 176.50/ 178.00
Hole: 409 Depth to Top of Core(m) : 176.50
Core: 18 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
APHYRIC VESICULAR OLIVINE BASALT;C -BROWN,-DARK GREENISH BLUE;M UP TO 10%
OLIVINE MICROPHENOCRYSTS 1-2MM IN SIZE AND WEATHERED BROWN,MOST VESICLES
LINED WITH DARK GREENISH BLUE SMECTITE,THERE IS ALSO A LOTOF CALCITE;O
VESICLES 10-20%,THE MOST OLIVINE RICH LAYERS ARE THE LEAST VESICULAR -
EVIDENCE OF CRYSTALSETTLING,THE PIECES OF THIS SECTION COULD BELONG TOONE
FLOW AND MORE LIKELY ONE COMPOUND UNIT WITH DIVISION AT 66CM AND 110CM;H
FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 178.00/ 179.50
Hole: 409 Depth to Top of Core(m) : 176.50
Core: 18 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
VESICULAR APHYRIC OLIVINE BASALT;C -BROWN,-DARK BLUE GREEN;M WHOLE
SECTION SEEMS TO HAVE ABOUT 10% OLIVINE WHICH IS GENERALLY ALTERED TO
BROWN ALTHOUGH SOME FRESH OR ONLY PARTIALLY ALTERED OLIVINE CAN BE SEEN,
VESICLES ARE LINED WITH DARK BLUE GREEN SMECTITE,LESS CALCITE THAN IN THE
PREVIOUS SECTION;O LESS THAN 10% VESICLES AND THEY ARE MOSTLY LESS THAN OR
EQUAL TO 1MM,BASALT SEEMS SLIGHTLY COARSER GRAINED AND MORE MASSIVE;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 179.50/ 181.00
Hole: 409 Depth to Top of Core(m) : 176.50
Core: 18 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
APHYRIC VESICULAR OLIVINE BASALT;S THERE IS DEFINITE LAYERING;M % OLIVINE
VARIES;O VESICLES LESS THAN10%,OLIVINE RICH LAYERS ARE MARKED IN BLACK,
SEEMS THAT THERE IS A SERIES OF COMPOUND FLOWS WITH THE THICKNESS OF EACH
UNIT VARYING;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 181.00/ 182.05
Hole: 409 Depth to Top of Core(m) : 176.50
Core: 18 Depth Top/Bottom Interval(mm): 00/1050
Sect: 4
Visual Text Description:
APHYRIC VESICULAR OLIVINE BASALT;S DIFFICULT TO SEE ANY LAYERING IN THIS
SECTION BUT ROCK TYPE SAME AS THE REST OF CORE 18;M OLIVINE
MICROPHENOCRYSTS,SMECTITE AND CALCITE IN VESICLES;O MEDIUM GRAINED,0-12CM
SECTION - LOTS OF OLIVINE AND MORE ALTERED THAN SECTIONS BELOW;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 186.10/ 186.17
Hole: 409 Depth to Top of Core(m) : 186.00
Core: 19 Depth Top/Bottom Interval(mm): 00/ 170
Sect: CC
Visual Text Description:
APHYRIC VESICULAR OLIVINE BASALT;C -BROWN;M OLIVINE RICH LAYER
SELECTIVELY ALTERED TO BROWN;O GAS BUBBLE TRAILS VISIBLE 8/17CM - VESICLES
TRAILED OUT FORABOUT 10CM VERTICALLY BUBBLE TRAIL PASSES FROM OLIVINE
POOR TO OLIVINE RICH PART WHERE IT TERMINATES - SHOWING THAT BOTH WERE
LIQUID AT ONCE;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 195.50/ 197.00
Hole: 409 Depth to Top of Core(m) : 195.50
Core: 20 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
APHYRIC VESICULAR BASALT;M VERY FEW OLIVINE MICROPHENOCRYSTS IF ANY,LESS
SMECTITE IN VESICLES AND NO CALCITE,VESICLES INFILLED WITH ZEOLITE;O
GREATER THAN 10% VESICULAR - VESICLE SIZE VARYING FROM 4MM TO LESS THAN
1MM,LESS ALTERED THAN THE OVERLYING OLIVINEBASALT,SEVERAL GLASSY MARGINS
SUGGESTING COMPOUND FLOW UNITS,MEDIUM GRAIN SIZE,125-150CM ONLY 1%
VESICULAR WITH VESICLES LESS THAN OR EQUAL TO 1MM DIAMETER;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 205.00/ 206.50
Hole: 409 Depth to Top of Core(m) : 205.00
Core: 21 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
NON-VESICULAR APHYRIC OLIVINE BASALT;C -BROWN;M OLIVINE ALTERED TO BROWN
FROM 90-140CM;O VESICLES MUCH LESS THAN 1%,VERY FINE-GRAINED AT THE TOP OF
SECTION - GETS MORE COARSE GRAINED TOWARDS BOTTOM,140-150CM IS DIFFERENT
ROCK - POSSIBLY SURFACE OF ANOTHER FLOW GREATER THAN 10% VESICULAR
APHYRIC BASALT WITHGLASS ON REAR SURFACE;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 206.50/ 208.00
Hole: 409 Depth to Top of Core(m) : 205.00
Core: 21 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
APHYRIC VESICULAR BASALT;S FLOW BOUNDARY AT 75CM;U OXIDIZED LAYERS ON
BOTH SIDES OF BOUNDARY AT 75CM,BASALT ALSO OXIDIZED IN OTHER PLACES;M
SMALL PIECE OFALTERED GLASS PRESENT 75-85CM,SMECTITE PRESENT IN VESICLES
AS WELL AS ABUNDANT CALCITE;O DEGREE OF VESICULATION VARIES THROUGH THE
SECTION,55-75CM LESS VESICULAR AND SLIGHTLY COARSER GRAINED,75-85CM
VESICLESARE LARGE AND GREATER THAN 10%,85-100CM ALSO VERY VESICULAR WITH
LARGE VESICLES FORMING VERTICAL TRAILS,130-150CM SLIGHTLY COARSER GRAINED
THAN THOSE ABOVE;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 208.00/ 209.50
Hole: 409 Depth to Top of Core(m) : 205.00
Core: 21 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
APHYRIC BASALT;C -BROWN;S 10-25CM HORIZONTAL STRUCTURES IN NON-VESICULAR
BASALT,64-150CM ALTERED GLASS ABOUT 5MM THICK AND VESICULATION FORMING
HORIZONTAL STRUCTURES IN ROCK;U 25-35CM VESICULAR BASALT OXIDIZED ON TOP
SURFACE;M 10-20CM ALTERED GLASS,35-135CMVISIBLE OLIVINE,135-150CM OLIVINE
ALTERED TO BROWN;O 0-10CM VESICLES GREATER THAN 10%,20-25CM NON-VESICULAR
BASALT,25-35CM LARGE VESICLES UP TO 4MM,35-55CMLESS THAN 1% VESICLES WHICH
ARE LESS THAN 1MM,55-65CM SLIGHTLY MORE VESICULAR AT TOP - BECOMING
NON-VESICULAR AND FINER GRAINED AT BASE,70-85CM LESS THAN 1% VESICLES,
85-90CM 5% VESICLES,90-100CM 10% VESICLESWHICH ARE LARGE,100-135CM 10%
VESICLES WHICH ARE SMALL AND COARSER GRAIN SIZE,135-150CM VESICLES LESS
THAN 1MM DIAMETER;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 214.50/ 215.90
Hole: 409 Depth to Top of Core(m) : 214.50
Core: 22 Depth Top/Bottom Interval(mm): 00/1400
Sect: 1
Visual Text Description:
MEDIUM-GRAINED APHYRIC OLIVINE BASALT;S 30-40CM VESICLE STRUCTURES
ARRANGED HORIZONTALLY;O DEGREE OF VESICULATION VARIES THROUGH THE SECTION,
0-20CM VESICLES 5% AND THEY ARE GREATER THAN 1MM,20-85CM VESICLES ABOUT 5%
AND THEY ARE LESS THAN 1MM ALSO PRESENT- 2 GAS BUBBLE TRAILS BEARING
LARGE VESICLES ALIGNED VERTICALLY,85-100CM VESICLES GREATER THAN 10%
WITHSIZE ABOUT 2MM,100-150CM SIMILAR TO 20-85CM SECTION;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 224.00/ 225.50
Hole: 409 Depth to Top of Core(m) : 224.00
Core: 23 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
VARIABLY VESICULAR APHYRIC BASALT;U 40-150CM SHOWS VARIOUS PATCHES OF
OXIDATION;M MOST VESICLES HAVE SMECTITE LINING THEM AND ALSO ABUNDANT
CALCITE;O 10-40CM VESICLES LESS THAN 1%,40-150CM VESICLES GREATERTHAN OR
EQUAL TO 10%;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 225.50/ 227.00
Hole: 409 Depth to Top of Core(m) : 224.00
Core: 23 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
APHYRIC VESICULAR OLIVINE BASALT;C -BROWN;S NO VISIBLE FLOW BOUNDARIES IN
THIS SECTION;M IN PLACES OLIVINE WEATHERED BROWN,LOT OF SMECTITE AND
CALCITE,FIBROUS ZEOLITE IN ONE VESICLE;O VESICULATION FAIRLY CONSTANT AT
ABOUT 10%;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 233.50/ 235.00
Hole: 409 Depth to Top of Core(m) : 233.50
Core: 24 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
APHYRIC VESICULAR BASALT;M 0-30CM VESICLES EMPTY EXCEPT FOR 1 OR 2
CRYSTALS OF PYRITE,30-140CM CONTAINS A RELATIVELY LARGE QUANTITY OF
SECONDARY MINERALSFILLING VESICLES - MAINLY SMECTITE;O 0-30CM VESICLES
ABOUT 10% - RELATIVELY UNALTERED,30-140CM LESS VESICULAR - LESS THAN 5%
AND VESICLES LESS THAN 1MM IN SIZE,140-150CM MORE VESICULAR - GREATER THAN
10% WITH VESICLES UP TO 5MM IN SIZE;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 235.00/ 236.50
Hole: 409 Depth to Top of Core(m) : 233.50
Core: 24 Depth Top/Bottom Interval(mm): 00/1500
Sect: 2
Visual Text Description:
APHYRIC VESICULAR BASALT;C -GREEN,-BROWN,-GRAY BLUE,-LIGHT BLUE GRAY;S
0-75CM VESICLES ARRANGED INTO HORIZONTAL STRUCTURES;M 0-75CM HIGHLY
HYDROTHERMALLYALTERED WITH LARGE PERCENTAGE OF VESICLES FILLED WITH BRIGHT
GREEN CRYSTALLINE SECONDARY MINERAL WITH BROWN IRON OXIDE OLIVINE
ALTERED BROWN THE GREEN MINERAL IS POSSIBLY EPIDOTE,75-115CM SEEMS TO
HAVE LESS OLIVINE THAN ABOVE AND VESICLES LINED WITH LIGHTBLUE GRAY
SECONDARY CRYSTALLINE MINERAL,115-125CM GREEN AND BROWN ALTERATION,
125-150CM BLUE/GRAY ALTERATION,THIS SECONDARY ALTERATION PATTERN SEEMS TO
BE RELATED TO CONCENTRATION OF OLIVINE;O 0-75CM VESICLESABOUT 10% WITH
DIAMETER UP TO 4MM,65CM CONTACT BETWEEN GREEN AND BROWN ALTERATION TO GREY
BLUE,75-115CMVESICLES ABOUT 5%;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 236.50/ 238.00
Hole: 409 Depth to Top of Core(m) : 233.50
Core: 24 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
APHYRIC BASALT;C -GREEN,-GRAY BLUE;M 0-55CM VERY LITTLE SECONDARY
HYDROTHERMAL ALTERATION,55-70CM GREEN ALTERATION AS IN PREVIOUS SECTION
DUE TO OLIVINE BEING ALTERED - UNKNOWN WHAT GREEN CRYSTALLINE MINERAL IS -
MAY BE EPIDOTE BECAUSE CAN SEE ELONGATED CRYSTAL,70-150CM GRAY BLUE
ALTERATION WHICH IS POSSIBLYZEOLITE;O 0-55CM VESICLES 10% WITH SIZE UP TO
5MM,70-150CM VESICLES LESS THAN 1%;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 238.00/ 239.50
Hole: 409 Depth to Top of Core(m) : 233.50
Core: 24 Depth Top/Bottom Interval(mm): 00/1500
Sect: 4
Visual Text Description:
APHYRIC BASALT;C -BLUE GRAY,-GREEN;S CONTACT BETWEEN 2 DIFFERENT
ALTERATION TYPES AT 130CM;M 0-130CM ZEOLITE SMECTITE AND PYRITE SECONDARY
MINERALS BUT OTHERWISE RELATIVELY UNALTERED ZEOLITE BLUE GRAY,130-150CM
GREEN SECONDARY MINERAL WHICH IS POSSIBLY EPIDOTE;O VESICLES LESS THAN OR
EQUAL TO 2%;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 239.50/ 241.00
Hole: 409 Depth to Top of Core(m) : 233.50
Core: 24 Depth Top/Bottom Interval(mm): 00/1500
Sect: 5
Visual Text Description:
APHYRIC BASALT;C -GREEN,-BROWN,-GRAY BLUE;M GREENALTERATION - EPIDOTE,
ALSO BROWN ALTERATION,FRESHER PARTS OF ROCK HAVE VESICLES LINED OR FILLED
WITH GRAY BLUE ZEOLITE,PATCHES OF GREEN ALTERATION - EPIDOTE- ASSOCIATED
WITH VEINS OF IRON OXIDE;O VESICLES LESS THAN 1%,40-50CM MORE VESICULAR -
ABOUT 10% - WITHDIAMETER LESS THAN 1MM;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 241.00/ 242.50
Hole: 409 Depth to Top of Core(m) : 233.50
Core: 24 Depth Top/Bottom Interval(mm): 00/1500
Sect: 6
Visual Text Description:
APHYRIC BASALT;C -GREEN,-BLUE GRAY;M PATCHES OF GREEN ALTERATION AND
EPIDOTE IN VESICLES - THESE ZONES ALSO OXIDIZED AND ASSOCIATED WITH IRON
ORE VEINS,THE REST OF THE ROCK HAS ABUNDANT BLUE GRAY ZEOLITE INFILLING;O
VESICLES LESS THAN 1%,THE ALTERATION PRODUCTS SUGGEST THAT THE ROCKS ARE
JUST BELOW THE ZEOLITE/GREENSCHIST FACIES ALTERATION ZONE OF ABOUT 250
DEGREES CENTIGRADE;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 242.50/ 243.13
Hole: 409 Depth to Top of Core(m) : 233.50
Core: 24 Depth Top/Bottom Interval(mm): 00/ 630
Sect: 7
Visual Text Description:
APHYRIC BASALT;C -GREEN,-OLIVE GREEN;M LOTS OF ZEOLITE IN VESICLES,
PATCHES OF GREEN ALTERATION, VESICLE ABOUT 3MM ACROSS FILLED COMPLETELY
WITH OLIVE GREEN EPIDOTE;O VESICLES LESS THAN 5%;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 243.00/ 244.50
Hole: 409 Depth to Top of Core(m) : 243.00
Core: 25 Depth Top/Bottom Interval(mm): 00/1500
Sect: 1
Visual Text Description:
APHYRIC BASALT;C -GREEN,-OLIVE GREEN,-YELLOW,-DEEP GREEN;M MOST OF
SECTION ALTERED TO GREEN,VESICLES HAVE OLIVE GREEN YELLOW AND DEEP GREEN
EPIDOTE,RESTOF SECTION - VESICLES FILLED WITH ZEOLITE,LARGE VESICLE OF
EPIDOTE AT 132CM;O VESICLES ABOUT 1%;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 244.50/ 245.20
Hole: 409 Depth to Top of Core(m) : 243.00
Core: 25 Depth Top/Bottom Interval(mm): 00/ 700
Sect: 2
Visual Text Description:
APHYRIC BASALT;C -GREEN,-BROWN;S 45-53CM VESICLESFORMING ALMOST
HORIZONTAL STRUCTURE,FLOW BOUNDARY AT 70CM;M GREEN ALTERATION - EPIDOTE -
AND OXIDATION TO BROWN IN CERTAIN PLACES;O LESS THAN 1% VESICLES,45-53CM
VESICULAR ZONE - 20% VESICLES - DIAMETER LESSTHAN 1MM;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 245.20/ 246.00
Hole: 409 Depth to Top of Core(m) : 243.00
Core: 25 Depth Top/Bottom Interval(mm): 700/1500
Sect: 2
Visual Text Description:
HIGHLY VESICULAR APHYRIC BASALT;C -BROWN;S FLOW BOUNDARY AT 70CM;M
VESICLES LINED WITH CALCITE AND EPIDOTE,OPAQUES OXIDIZED TO BROWN;O SOME
VESICLES UP TO 7MM DIAMETER;H FIRM
Leg : 49 Depth Top/Bottom of Layer(m) : 246.00/ 247.50
Hole: 409 Depth to Top of Core(m) : 243.00
Core: 25 Depth Top/Bottom Interval(mm): 00/1500
Sect: 3
Visual Text Description:
APHYRIC VESICULAR BASALT ALTERED TO GREENSTONE;C -PARTICULARLY GREEN,
-OLIVE GREEN,-BROWN;S FLOW BOUNDARIES AT 30CM AND 127CM;M REMNANTS OF
GLASSY SURFACES AT 30CM,47-66CM VESICLES LINED WITH ZEOLITE,66-97CM
PARTICULARLY GREEN WITH OLIVE GREEN EPIDOTE IN VESICLES,113CM CUT BY BROWN
IRON OXIDE VEIN,127-150CM LOT OF FRESH LOOKING GLASS;O 47-66CM VESICLES
ABOUT 10% AND DIAMETER GREATER THAN 1MM,66-97CM LESS THAN 2% VESICLES,
130-150CM VESICLES ARRANGED HORIZONTALLY;H FIRM
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