Leg : 55 Top/Bottom Interval(mm): 0/ 320 Analyst: Kirkpatrick, J.
Hole: 433B Sample Midpoint (m) : 157.32
Core: 4 Top of Core Depth (m) : 157.00
Sect: 1 Top of Section Depth(m): 157.00
LITHOLOGY: SEDIMENTARY ROCK;
LIMESTONE;
Piece No. : NO PCE NUMBERS (0-32);
Leg : 55 Top/Bottom Interval(mm): 320/ 340 Analyst: Kirkpatrick, J.
Hole: 433B Sample Midpoint (m) : 157.34
Core: 4 Top of Core Depth (m) : 157.00
Sect: 1 Top of Section Depth(m): 157.32
LITHOLOGY: PLAG PHYRIC BASALT;
ATTACHED TO LIMESTONE, EXTENSIVELY WEATHERED;
Piece No. : PCE 1D (32-34);
Texture : PHYRIC;
Alteration : EXT
Comments : BASALT OLIVE GRAY 5Y3/2
Vesicles : Size(mm): .5 Percent: 5
EMPTY;
Groundmass : GNDMASS UNIDENTIFIABLE;
Phenocrysts: PLAGIOCLASE ( 10%)
ALTERED;
Leg : 55 Top/Bottom Interval(mm): 370/ 500 Analyst: Kirkpatrick, J.
Hole: 433B Sample Midpoint (m) : 157.50
Core: 4 Top of Core Depth (m) : 157.00
Sect: 1 Top of Section Depth(m): 157.37
LITHOLOGY: PLAG-OL PHYRIC BASALT;
FLOW TOP WITH LIMESTONE ATTACHED ON SIDE, PART OF
FLOW UNIT EXTENDING FROM HOLE 433A CORE 20;
Piece No. : PCE 2A (37-50);
Texture : PHYRIC;
Alteration : EXT
ALONG CRACKS AND VEINS;
Vesicles : Size(mm): Percent: 0
Groundmass : PLAGIOCLASE ( 50%)
Size(mm): TO 1
LATHS;
PYROXENE
Size(mm): .1
MOSTLY FRESH EXCEPT ALONG CRACKS, GRANULAR;
OLIVINE
Size(mm): .1
GRANULAR, MOSTLY FRESH EXCEPT ALONG CRACKS;
Phenocrysts: PLAGIOCLASE ( 8%)
Size(mm): 2-4
ALTERED EQUANT;
OLIVINE ( 2%)
Size(mm): .5
SOME ALTERED, SOME FRESH;
Leg : 55 Top/Bottom Interval(mm): 500/ 660 Analyst: Kirkpatrick, J.
Hole: 433B Sample Midpoint (m) : 157.66
Core: 4 Top of Core Depth (m) : 157.00
Sect: 1 Top of Section Depth(m): 157.50
LITHOLOGY: PLAG-OL PHYRIC BASALT;
DESCRIPTION SAME AS PCE 2A;
Piece No. : PCE 2B (50-59), 2C (60-66);
Texture : PHYRIC;
Alteration : SLIGHTLY;
Vesicles : Size(mm): .5-1 Percent: 2-3
Location: Filling: CLAY
FILLED WITH DARK GRAY CLAY
Leg : 55 Top/Bottom Interval(mm): 0/1440 Analyst: Kirkpatrick, J.
Hole: 433B Sample Midpoint (m) : 167.94
Core: 5 Top of Core Depth (m) : 166.50
Sect: 1 Top of Section Depth(m): 166.50
LITHOLOGY: PLAG-OL PHYRIC BASALT;
SAME FLOW AS CORE 4-1 AND HOLE 433A;
Piece No. : PCE 1 (3-14), 2 (16-19), 3A (21-32), 3B (32-37),
4A (40-46), 4B (46-55), 5 (57-62), 6A (64-75),
6B (75-81), 7 (83-90), 8 (92-101), 9A (103-115),
9B (115-123), 10A (125-135), 10B (135-144);
Texture : PHYRIC;
Structure : CALCITE FILLED FRACTURES THROUGHOUT, LARGE CALCITE
FILLED VUG IN PCE 4B;
Alteration : MOD
PCES 1 TO TOP 8;
EXT
PCE 8-10, COLOR DARK GRAY 2.5Y3/0;
Comments : COLOR DARK GRAY 2.5Y4/0;
Vesicles : Size(mm): .5-2 Percent: 5
PCES 1-3, FILLED WITH BLACK OR OLIVE GRAY CLAY;
Size(mm): 1-4 Percent: 8
PCES 4-5 AND 7-8, FILLED WITH BLACK OR OLIVE
GRAY CLAY;
Size(mm): 1-5 Percent: 10
PCE 6, FILLED WITH BLACK OR OLIVE GRAY CLAY,
PCES 9-10 VESICLE PATTERN LOST IN GENERAL
ALTERATION;
Groundmass : PLAGIOCLASE ( 50%)
Size(mm): TO 2
LATHS;
OLIVINE ( 5%)
MOSTLY FRESH;
PYROXENE ( 20%)
MOSTLY FRESH;
COMBINATION ( 13%)
OP.MINS + APHANITE;
MOST MINERAL GRAINS STILL FRESH, SOME CLAY IN
GNDMASS, OL IN PHENOS AND GNDMASS IDDINGSITIZED,
EXTENSIVE DARK CLAY DEVELOPED IN GNDMASS;
Phenocrysts: PLAGIOCLASE ( 10%)
Size(mm): 2-7
EQUANT GRAINS;
OLIVINE ( 2%)
Size(mm): 4
MANY FRESH, SOME IDDINGSITIZED;
Replacement: IDDINGSITE
Minerals Replaced: OL
AFTER OL;
Leg : 55 Top/Bottom Interval(mm): 0/ 460 Analyst: Avdeiko, G.
Hole: 433B Sample Midpoint (m) : 168.46
Core: 5 Top of Core Depth (m) : 166.50
Sect: 2 Top of Section Depth(m): 168.00
LITHOLOGY: PLAG-OL PHYRIC BASALT;
SAME FLOW UNIT AS CORE 5-1 AND CORE 4-1, SAME
DESCRIPTION AS CORE 5-1;
Piece No. : PCE 1A (1-6), 1B (6-8), 1C (8-15), 1D (15-22),
1E (22-31), 2A (32-43);
Texture : PHYRIC;
Alteration : EXT
MORE ALTERED THAN REST OF SECTION;
Groundmass : OLIVINE
IDDINGSITIZED;
PLAGIOCLASE
GREEN;
Replacement: IDDINGSITE
Minerals Replaced: OL
AFTER OL;
CLAY
PATCHES IN GROUNDMASS;
Leg : 55 Top/Bottom Interval(mm): 460/1370 Analyst: Avdeiko, G.
Hole: 433B Sample Midpoint (m) : 169.37
Core: 5 Top of Core Depth (m) : 166.50
Sect: 2 Top of Section Depth(m): 168.46
LITHOLOGY: PLAG-OL PHYRIC BASALT;
SAME FLOW UNIT AS CORE 5-1, SAME DESCRIPTION AS
UPPER PART OF CORE 5-1;
Piece No. : PCE 2B (46-51), 2C (51-55), 2D (55-60), 2E (61-68),
3A (71-73), 3B (73-78), 3C (78-84), 3D (84-86),
3E (86-90), 4 (93-97), 5 (100-108), 6A (110-120),
6B (116-119), 7 (122-124), 8 (126-137);
Texture : PHYRIC;
Alteration : MOD
PCES 2E-3B APPEAR ESPECIALLY FRESH;
Leg : 55 Top/Bottom Interval(mm): 0/ 910 Analyst: Avdeiko, G.
Hole: 433B Sample Midpoint (m) : 170.41
Core: 5 Top of Core Depth (m) : 166.50
Sect: 3 Top of Section Depth(m): 169.50
LITHOLOGY: PLAG-OL PHYRIC BASALT;
ALL PCES FROM BIT FROM SAME FLOW UNIT AS CORE 4-1
AND CORE 5-1 AND 5-2, SAME DESCRIPTION AS CORE 5-1
AND CORE 5-2;
Piece No. : PCE 1 (4-6), 3 (17-21), 4 (24-27), 5 (29-32),
6 (34-37);
Texture : PHYRIC;
Alteration : MOD;
Leg : 55 Top/Bottom Interval(mm): 0/ 910 Analyst: Avdeiko, G.
Hole: 433B Sample Midpoint (m) : 170.41
Core: 5 Top of Core Depth (m) : 166.50
Sect: 3 Top of Section Depth(m): 169.50
LITHOLOGY: OL-PLAG PHYRIC BASALT;
PORTION OF PCE 8 SAME AS SECTIONS 1 AND 2;
Piece No. : PCE 2 (10-14), 7 (39-42), 8 (45-79), 9 (82-91);
Texture : PHYRIC;
Alteration : SLIGHTLY
OL SLIGHTLY ALTERED TO CLAYS AND IDDINGS, THERE
ARE SOME CLAYS IN GNDMASS MAYBE AFTER GLASS;
Comments : ALL PCES FROM BIT APPARENTLY ARE THE SAME FLOW UNIT
AS CORE 4 SECTION 1;
Vesicles : Size(mm): 0.5-2 Percent: 2-3
Location: Filling: CLAYS
NO MORE THAN 2-3%, FILLED WITH CLAYS;
Groundmass : PLAGIOCLASE (45-50%)
Size(mm): TO 3
LATHES;
PYROXENE ( 15%)
FRESH;
OLIVINE ( 5%)
FRESH, SLIGHTLY ALTERED;
OTHER ( 10%)
THERE ARE SOME CLAYS IN GNDMASS MAYBE AFTER GLASS,
TOTAL GNDMASS PERCENTAGE 75-80;
Phenocrysts: OLIVINE (10-15%)
Size(mm): TO 5
MOSTLY FRESH;
PLAGIOCLASE ( 10%)
Size(mm): 2-15
TABULAR, GREENISH COLOR;
Replacement: CLAY MINERALS
Minerals Replaced: OL,PLAG
IDDINGSITE
Minerals Replaced: OL
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