Leg : 23 Top/Bottom Interval(mm): 0/ 0 Analyst:
Hole: 221 Sample Midpoint (m) : 261.10
Core: 18 Top of Core Depth (m) : 252.00
Sect: CC Top of Section Depth(m): 261.10
LITHOLOGY: BASALT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Texture : GOOD GLASSY CONTACT BETWEEN MOTTLED BASALT AND
CHERTY CHALK, FINE-GRAINED;
Structure : DENSE;
Alteration : ALTERED TO BADLY ALTERED;
Comments : LIGHT GRAY TO DARK GRAY;
Leg : 23 Top/Bottom Interval(mm): 910/1500 Analyst: Matter, A.
Hole: 221 Sample Midpoint (m) : 262.50
Core: 19 Top of Core Depth (m) : 261.00
Sect: 1 Top of Section Depth(m): 261.91
LITHOLOGY: THOLEIITIC DIABASE;
Piece No. : PCE 9 (91-94), 8 (95-101), 7 (102-105), 6 (105-115),
5 (115-120), 4 (120-129), 3 (129-135), 2 (135-115),
1 (140-150);
Texture : CHILLED MARGINS IN PCE 5 AND AT TOP OF PCE 1;
Structure : PCES 9+8+6+4-2 ARE FRACTURED AND HAVE CALCITE VEINS;
Comments : FOR MORE INFORMATION REFER TO CORE DESCRIPTIONS IN
SITE 221 CHAPTER OF INITIAL REPORTS;
Vesicles : PCE 6 IS VESICULAR, PCE 1 HAS AMYGDULES AND
VESICLES;
Replacement: CALCITE
Leg : 23 Top/Bottom Interval(mm): 0/1500 Analyst: Matter, A.
Hole: 221 Sample Midpoint (m) : 264.00
Core: 19 Top of Core Depth (m) : 261.00
Sect: 2 Top of Section Depth(m): 262.50
LITHOLOGY: BASALT;
Piece No. : PCE 18 (0-5), 17 (5-14), 16 (15-30), 15 (31-44),
14 (45-53), 13 (54-60), 12 (60-70), 11 (70-75),
10 (75-79), 9 (80-84), 8 (85-100), 7 (101-110),
6 (111-125), 5 (125-130), 4 (130-134), 3 (135-141),
2 (141-145), 1 (145-150);
Texture : CHILLED MARGINS AT 14CM, 70CM, AND 100CM;
Structure : PARTLY FRACTURED WITH CALCITE VEINS;
Comments : FOR MORE INFORMATION REFER TO CORE DESCRIPTIONS IN
SITE 221 CHAPTER OF THE INITIAL REPORTS, RADIOLARIAN
RICH LIMESTONE AT BOTTOM OF SECTION;
Vesicles : VESICULAR AND AMYGDALOIDAL;
Replacement: CALCITE
Leg : 23 Top/Bottom Interval(mm): 10/1500 Analyst: Matter, A.
Hole: 221 Sample Midpoint (m) : 265.50
Core: 19 Top of Core Depth (m) : 261.00
Sect: 3 Top of Section Depth(m): 264.01
LITHOLOGY: BASALT;
Piece No. : PCE 17 (1-10), 16 (10-16), 15 (17-26), 14 (27-33),
13 (34-41), 12 (39-55), 11 (55-57), 10 (57-70),
9 (70-76), 8 (75-80), 7 (80-95), 6 (95-100),
5 (100-118), 4 (119-130), 3 (131-144), 2 (145-147),
1 (147-150);
Texture : CHILLED MARGINS AT 58CM, 100CM, AND 142CM;
Structure : PARTLY FRACTURED WITH CALCITE VEINS;
Comments : FOR MORE INFORMATION REFER TO LITHOLOGY SUMMARY IN
SITE 221 CHAPTER OF INITIAL REPORTS;
Vesicles : VESICULAR AND AMYGDALOIDAL;
Replacement: CALCITE
Leg : 23 Top/Bottom Interval(mm): 50/1500 Analyst: Matter, A.
Hole: 221 Sample Midpoint (m) : 267.00
Core: 19 Top of Core Depth (m) : 261.00
Sect: 4 Top of Section Depth(m): 265.55
LITHOLOGY: BASALT;
Piece No. : PCE 23 (5-11), 22 (11-25), 21 (26-31), 20 (31-41),
19 (42-49), 18 (49-52), 17 (53-60), 16 (60-66),
15 (67-70), 14 (70-75), 13 (75-80), 12 (80-84),
11 (85-89), 10 (90-97), 9 (97-100), 8 (100-104),
7 (104-110), 6 (110-114), 5 (115-120), 4 (121-132),
3 (132-136), 2 (135-146), 1 (146-150);
Texture : CHILLED MARGIN AT 48CM;
Structure : PARTLY FRACTURED WITH CALCITE VEINS;
Comments : FOR MORE INFORMATION REFER TO THE LITHOLOGY
SUMMARY IN THE SITE 221 CHAPTER OF THE
INITIAL REPORTS;
Vesicles : VESICULAR AND AMYGDALOIDAL;
Replacement: CALCITE
Leg : 23 Top/Bottom Interval(mm): 0/ 0 Analyst:
Hole: 221 Sample Midpoint (m) : 267.10
Core: 19 Top of Core Depth (m) : 261.00
Sect: CC Top of Section Depth(m): 267.10
LITHOLOGY: BASALT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Texture : FINE-GRAINED;
Structure : CUT BY APPROX. 10% CALCITE VEINS;
Alteration : ALTERED LIGHT GRAY TO BROWNISH-GRAY;
Comments : BROWN OXIDIZED ZONES BORDER VEINS;
Replacement: CALCITE
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