Leg : 49 Top/Bottom Interval(mm): 0/1500 Analyst: Vennum, W.
Hole: 413 Sample Midpoint (m) : 113.00
Core: 1 Top of Core Depth (m) : 110.00
Sect: 2 Top of Section Depth(m): 111.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (2-9), 2 (11-16), 3 (18-25), 4 (25-30),
5 (31-42), 6 (44-49), 7 (51-59), 8 (61-71),
9 (73-80), 10 (83-90), 11 (92-99), 12 (101-108),
13 (111-120), 14 (121-132), 15 (134-138),
16 (141-148);
Texture : APHYRIC,RINDS OF LIMESTONE BRECCIA IN SOME PCES,
BRECCIA CONSISTS OF CREAMY WHITE LIMESTONE WITH
CLASTS OF ANGULAR TO SUB-ROUNDED RED-BROWN
PALAGONITIZED GLASS & GLASSY-TO-FINE-GRAINED BASALT
IDENTICAL TO THE MAIN PART OF THE FLOW,APHANITIC TO
FINE-GRAINED,EVEN TEXTURED;
Structure : VEINS OF LIMESTONE BRECCIA IN SOME PCES;
Comments : INTERPRETATION-HYALOCLASTITE FORMED ON FRONTAL EDGE
OF FLOW;
Vesicles : Size(mm): 0.1-0.2 Percent: 5
Location: Filling: CARB,GLASS
ALMOST ALL PCES ARE VERY FINELY VESICULAR WITH
OCCASIONAL LONGER VESICLES TO 8MM,VESICLES LARGELY
EMPTY BUT SOME FILLED WITH CARB OR LINED WITH
GLASS;
Phenocrysts: PLAGIOCLASE ( RARE%)
OLIVINE ( RARE%)
RARE SCATTERED MICROPHENOS OF PLAG & OL;
Leg : 49 Top/Bottom Interval(mm): 0/ 740 Analyst: Vennum, W.
Hole: 413 Sample Midpoint (m) : 115.74
Core: 2 Top of Core Depth (m) : 115.00
Sect: 1 Top of Section Depth(m): 115.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCE 1 (2-8), 2 (12-18), 3 (19-24), 4 (27-35),
5 (38-44), 6 (47-55), 7A (57-64), 7B (62-65),
8 (67-74);
Texture : APHYRIC,HYALOPILITIC,SEVERAL PCES HAVE RINDS OF
LIMESTONE BRECCIA-CREAMY WHITE LIMESTONE WITH CLASTS
OF ANGULAR TO SUBROUND RED-BROWN PALAGONITIZED GLASS
& GLASSY-TO-FINE-GRAINED BASALT IDENTICAL TO THE
MAIN PART OF THE FLOW,THE GLASSIER SAMPLES ARE
NON-VESICULAR,APHANITIC;
Structure : SEVERAL PCES HAVE VEINS OF LIMESTONE BRECCIA;
Comments : VIRTUALLY IDENTICAL TO CORE 1-2;
Vesicles : Size(mm): 0.1-0.2 Percent: 5
Location: Filling: GLASS
MOST VESICLES EMPTY BUT SOME LINED WITH GLASS;
Phenocrysts: PLAGIOCLASE
OLIVINE
RARE SCATTERED MICROPHENOS OF PLAG & OL;
Leg : 49 Top/Bottom Interval(mm): 0/ 740 Analyst: Zolotarev, B.
Hole: 413 Sample Midpoint (m) : 125.24
Core: 3 Top of Core Depth (m) : 124.50
Sect: 1 Top of Section Depth(m): 124.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (3-7), 2 (12-14), 3 (18-19), 4 (24-28),
5 (32-37), 6 (41-47), 8 (62-64), 9 (69-74);
Texture : APHYRIC,APHANITIC;
Structure : PCE 3 CONTAINS AS INCLUSION OF LIMESTONE;
Comments : COLOR VARIES FROM GRAY TO GREENISH-GRAY;
Alteration : FRESH
PCES 1-2+6+8-9,DARK COLOR,PRETTY FRESH;
EXTENSIVELY
PCE 3,COLOR GREENISH-GRAY;
MOD
PCES 4-5,GRAY COLOR;
Vesicles : Size(mm): 0.1-0.5 Percent:
PCES 4+5 FEW VESICLES PRESENT,UNEVEN DISTRIBUTION,
RARELY UP TO 2MM IN SIZE;
Leg : 49 Top/Bottom Interval(mm): 0/ 740 Analyst: Zolotarev, B.
Hole: 413 Sample Midpoint (m) : 125.24
Core: 3 Top of Core Depth (m) : 124.50
Sect: 1 Top of Section Depth(m): 124.50
LITHOLOGY: BASALTIC BRECCIA;
Piece No. : PCE 7 (54-57);
Texture : FRAGMENTS CONSIST OF VERY ALTERED FINE-GRAINED
BASALT & VOLCANIC GLASS(FRESH & ALTERED TO PALAG),
SIZE OF BASALT FRAGMENTS VARIES FROM 1.0MM TO 2.0CM;
Comments : CEMENT IS LIMESTONE WITH FORAMINIFERA;
Replacement: PALAGONITE
Minerals Replaced: GLASS
Leg : 49 Top/Bottom Interval(mm): 0/ 680 Analyst: Zolotarev, B.
Hole: 413 Sample Midpoint (m) : 134.68
Core: 4 Top of Core Depth (m) : 134.00
Sect: 1 Top of Section Depth(m): 134.00
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (3-9), 2 (13-19), 3 (22-27), 4 (32-36),
5 (43-47), 6 (54-57), 7 (63-68);
Texture : APHYRIC,PCE 3 HAS GLASS ZONE;
Alteration : ALTERATION VARIES FROM MODERATE TO INTENSE;
Comments : COLOR VARIES FROM GRAY TO GREENISH-GRAY;
Vesicles : Size(mm): 0.1-0.5 Percent: <0.5
Phenocrysts: OLIVINE
Size(mm): <0.5
VERY RARE MICROPHENOS;
Leg : 49 Top/Bottom Interval(mm): 0/ 570 Analyst: Zolotarev, B.
Hole: 413 Sample Midpoint (m) : 144.07
Core: 5 Top of Core Depth (m) : 143.50
Sect: 1 Top of Section Depth(m): 143.50
LITHOLOGY: APHYRIC BASALT;
Piece No. : PCES 1 (2-4), 2 (7-12), 3 (17-21), 4 (25-27),
5 (31-32), 6 (36-40), 7 (44-47), 8 (51-57);
Texture : APHYRIC,GLASS ZONES ARE PRESENT,GLASS IS PARTLY
ALTERED TO PALAG;
Alteration : MOD
PCES 2-3+8;
EXTENSIVELY
PCES 1+4-7 BASALT IS VERY ALTERED-VARYING FROM MOD
TO INTENSE;
Replacement: PALAGONITE
Minerals Replaced: GLASS
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