Leg : 22 Top/Bottom Interval(mm): 1150/1500 Analyst:
Hole: 216 Sample Midpoint (m) : 457.50
Core: 36 Top of Core Depth (m) : 453.00
Sect: 3 Top of Section Depth(m): 457.15
LITHOLOGY: BASALT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Texture : MICROPHENOS OF PARTIALLY CHLORITIZED AND ZONED PLAG
ARE PRESENT;
Comments : MEDIUM DARK GRAY (N4);
Vesicles : Size(mm): Percent: 10
AMYGDULES;
Phenocrysts: PLAGIOCLASE
MICROPHENOS, PARTIALLY CHLORITIZED AND ZONED;
Groundmass : PLAGIOCLASE ( 50%)
LATHS;
CLINOPYROXENE ( 30%)
GRANULES;
Replacement: CHLORITE
HEMATITE
OPAQUE MINERALS
IRON OXIDE (MAGNETITE?);
Leg : 22 Top/Bottom Interval(mm): 100/1500 Analyst:
Hole: 216 Sample Midpoint (m) : 459.00
Core: 36 Top of Core Depth (m) : 453.00
Sect: 4 Top of Section Depth(m): 457.60
LITHOLOGY: BASALT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED, INTERVAL (10-40) AND
INTERVAL (135-150);
Structure : INTERVAL (135-150) IS SCORIACEOUS;
Alteration : INTERVAL (135-150) IS ABUNDANTLY OXIDIZED;
Comments : INTERVAL (10-40) IS MEDIUM DARK GRAY (N4) AND
INTERVAL (135-150) IS PALE RED (5R6/2), FOR MORE
INFORMATION REFER TO "LITHOLOGIC SUMMARY" IN THE
SITE 216 CHAPTER OF THE INITIAL REPORTS;
Leg : 22 Top/Bottom Interval(mm): 400/1350 Analyst:
Hole: 216 Sample Midpoint (m) : 458.85
Core: 36 Top of Core Depth (m) : 453.00
Sect: 4 Top of Section Depth(m): 457.90
LITHOLOGY: VOLCANOGENIC SEDIMENT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Comments : LITHIC VITRIC TUFF, THE GLASS WAS PROBABLY ALTERED
INTO CHLORITE, COLOR AT TOP IS PALE GREEN (10G6/2),
AT 80CM GRAYISH RED PURPLE 5RP4/2 AND PALE GREEN,
FELDSPAR, VESICULAR VOLCANICS, CHLORITIC MATRIX,
FOR MORE INFORMATION REFER TO "LITHOLOGIC
SUMMARY" AND CORE DESCRIPTION IN THE SITE
216 CHAPTER OF THE INITIAL REPORTS;
Leg : 22 Top/Bottom Interval(mm): 0/ 0 Analyst:
Hole: 216 Sample Midpoint (m) : 459.10
Core: 36 Top of Core Depth (m) : 453.00
Sect: CC Top of Section Depth(m): 459.10
LITHOLOGY: BASALT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Leg : 22 Top/Bottom Interval(mm): 700/1500 Analyst: Hekinian, R.
Hole: 216 Sample Midpoint (m) : 464.00
Core: 37 Top of Core Depth (m) : 462.50
Sect: 1 Top of Section Depth(m): 463.20
LITHOLOGY: BASALT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Texture : FINE-GRAINED;
Structure : AT 70CM OXIDIZED SCORIACEOUS BASALT;
Vesicles : Size(mm): 3 Percent: 1
LARGE VESICLES PRESENT;
Replacement: CHLORITE
CHLORITE BEARING FINE-GRAINED BASALT;
Leg : 22 Top/Bottom Interval(mm): 0/1500 Analyst: Hekinian, R.
Hole: 216 Sample Midpoint (m) : 465.50
Core: 37 Top of Core Depth (m) : 462.50
Sect: 2 Top of Section Depth(m): 464.00
LITHOLOGY: BASALT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Texture : FINE-GRAINED;
Comments : DARK GREENISH GRAY (5GY4/1);
Replacement: CHLORITE
CHLORITE BEARING FINE-GRAINED BASALT, OCCURS IN
THE MATRIX PROBABLY AS REPLACEMENT PRODUCT OF
GLASS, CHLORITE FILLED ZONES AT 72 AND 92CM;
Leg : 22 Top/Bottom Interval(mm): 0/1500 Analyst: Hekinian, R.
Hole: 216 Sample Midpoint (m) : 467.00
Core: 37 Top of Core Depth (m) : 462.50
Sect: 3 Top of Section Depth(m): 465.50
LITHOLOGY: BASALT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Texture : FINE-GRAINED;
Comments : MEDIUM GRAY (N5), FOR MORE INFORMATION REFER TO
"LITHOLOGIC SUMMARY" IN THE SITE 216 CHAPTER OF THE
INITIAL REPORTS;
Vesicles : Size(mm): 10 Percent:
VESICLES UP TO 1CM IN DIAMETER OCCUR;
Leg : 22 Top/Bottom Interval(mm): 0/1500 Analyst: Hekinian, R.
Hole: 216 Sample Midpoint (m) : 468.50
Core: 37 Top of Core Depth (m) : 462.50
Sect: 4 Top of Section Depth(m): 467.00
LITHOLOGY: PLAG SPARSELY PHYRIC BASALT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Texture : SPARSELY PHYRIC, FINE GRAINED, GENERAL TEXTURE IS
PILOTAXITIC SUB PARALLEL ARRANGEMENT OF PLAG LATHS;
Structure : VEIN CONTAINING NATURAL COPPER AT 96-100CM;
Alteration : ALTERED BASALT LIGHT OLIVE GRAY (5Y5/2) IN
INTERVAL (97-150) LIGHT OLIVE GRAY (5Y5/2), THIS
ALTERED ZONE OCCURS IN PATCHES AND OFTEN THEY ARE
SURROUNDED BY GREEN CHLORITIC ZONES;
Comments : BASALT IS MEDIUM GRAY (N5);
Phenocrysts: PLAGIOCLASE ( 1%)
PLAG MICROPHENOS;
Groundmass : PLAGIOCLASE ( 50%)
CLINOPYROXENE ( 35%)
MESOSTASIS ( 3%)
DARK MESOSTASIS;
Replacement: CHLORITE
3%;
HEMATITE
<3%;
FERROUS MN OXIDE
7%, (MAGNETITE?);
Leg : 22 Top/Bottom Interval(mm): 0/ 0 Analyst: Hekinian, R.
Hole: 216 Sample Midpoint (m) : 468.60
Core: 37 Top of Core Depth (m) : 462.50
Sect: CC Top of Section Depth(m): 468.60
LITHOLOGY: BASALT;
PCE NO PCE NUMBERS ASSIGNED;
Leg : 22 Top/Bottom Interval(mm): 0/1500 Analyst: Hekinian, R.
Hole: 216 Sample Midpoint (m) : 470.00
Core: 38 Top of Core Depth (m) : 468.50
Sect: 1 Top of Section Depth(m): 468.50
LITHOLOGY: BASALT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Texture : INTERVALS (10-30) AND (40-90) AND (70-150) ARE FINE-
GRAINED;
Alteration : INTERVALS (0-13) AND (25-50) AND A THIN MARGIN
(70-90) ARE ALTERED BASALT (PATCHY ZONE)
CONTAINING RIM OF GREENISH ZONE, IN INTERVAL
(25-50) PATCHY ZONE WITH RIM OF CHLORITE MATERIAL;
Comments : FINE-GRAINED BASALT COLOR IS MEDIUM GRAY,
FOR MORE INFORMATION REFER TO "LITHOLOGIC
SUMMARY" IN THE SITE 216 CHAPTER OF THE
INITIAL REPORTS;
Replacement: CHLORITE
Leg : 22 Top/Bottom Interval(mm): 0/1500 Analyst: Hekinian, R.
Hole: 216 Sample Midpoint (m) : 471.50
Core: 38 Top of Core Depth (m) : 468.50
Sect: 2 Top of Section Depth(m): 470.00
LITHOLOGY: BASALT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Texture : INTERVALS (0-35) AND (72-150) ARE FINE-GRAINED;
Alteration : INTERVAL (35-75) IS ALTERED;
Comments : FINE-GRAINED BASALT COLOR IS MEDIUM GRAY, ALTERED
BASALT COLOR IS LIGHT OLIVE GRAY, FOR MORE
INFORMATION REFER TO "LITHOLOGIC SUMMARY" IN THE SITE 216 CHAPTER OF THE INITIAL
REPORTS;
Leg : 22 Top/Bottom Interval(mm): 0/1500 Analyst: Hekinian, R.
Hole: 216 Sample Midpoint (m) : 473.00
Core: 38 Top of Core Depth (m) : 468.50
Sect: 3 Top of Section Depth(m): 471.50
LITHOLOGY: BASALT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Texture : INTERVAL (0-42) IS FINE-GRAINED AND SIMILAR TO
SECTION 38-1;
Structure : INTERVAL (42-90) IS SCORIACEOUS;
Alteration : INTERVAL (62-90) IS OXIDIZED;
Comments : INTERVAL (0-42) IS MEDIUM GRAY (N4), INTERVAL
(132-150) IS MEDIUM DARK GRAY (N4), INTERVAL (42-62)
IS MEDIUM GRAY AND PALE RED, INTERVAL (62-90) IS
PALE RED (5R6/2), FOR MORE INFORMATION
REFER TO "LITHOLOGIC SUMMARY" IN THE SITE
216 CHAPTER OF THE INITIAL REPORTS;
Vesicles :
Location: Filling: CHLORITE,CALCITE
INTERVAL (42-62) IS SCORIACEOUS MATERIAL WITH
SMALL AMYGDULES FILLED WITH CHLORITE AND CALCITE;
Replacement: CHLORITE
CALCITE
CHLORITE AND CALCITE FILL AMYGDULES IN INTERVAL
(42-62);
Leg : 22 Top/Bottom Interval(mm): 0/1500 Analyst: Hekinian, R.
Hole: 216 Sample Midpoint (m) : 474.50
Core: 38 Top of Core Depth (m) : 468.50
Sect: 4 Top of Section Depth(m): 473.00
LITHOLOGY: BASALT;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Texture : INTERVAL (0-14) IS FINE-GRAINED;
Comments : INTERVAL (0-14) COLOR IS MEDIUM GRAY, INTERVAL
(14-150) IS MEDIUM DARK GRAY (N4), FOR MORE
INFORMATION REFER TO "LITHOLOGIC SUMMARY" AND CORE
DESCRIPTION IS THE SITE 216 CHAPTER OF THE INITIAL
REPORTS;
Vesicles : INTERVALS (14-73) AND (86-150) ARE VESICULAR AND
INTERVAL (73-86) IS AMYGDULAR;
Replacement: CHLORITE
CALCITE
CHLORITE AND CALCITE FILL AMYGDULES IN INTERVAL
(42-62);
Leg : 22 Top/Bottom Interval(mm): 0/ 0 Analyst: Hekinian, R.
Hole: 216 Sample Midpoint (m) : 474.60
Core: 38 Top of Core Depth (m) : 468.50
Sect: CC Top of Section Depth(m): 474.60
LITHOLOGY: BASALT;
PCE NO PCE NUMBERS ASSIGNED;
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