Leg : 64 Top/Bottom Interval(mm): 0/ 100 Analyst: Kelts, K.
Hole: 476 Sample Midpoint (m) : 199.11
Core: 22 Top of Core Depth (m) : 199.00
Sect: CC Top of Section Depth(m): 199.11
LITHOLOGY: QUARTZITE;
Piece No. : PCE NO PCES NUMBERS ASSIGNED;
Comments : RECOVERY WAS ONLY A FEW SPECKS OF WELL-SORTED SAND
WITH NUMEROUS, CLOUDY, GRAY ROUNDED QUARTZ AND SOME
PINK, POSSIBLY WEATHERED K-FELDSPARS, RARE AUGITE,
MINOR CARBONATE, AND SPECKS OF GRAYISH GREEN, A
TINY FRAGMENT OF POSSIBLY QUARTZ-ALBITE-EPIDOTE-
CHLORITE-STAUROLITE(?) METASILTSTONE;
Leg : 64 Top/Bottom Interval(mm): 0/ 100 Analyst: Kelts, K.
Hole: 476 Sample Midpoint (m) : 208.60
Core: 23 Top of Core Depth (m) : 208.50
Sect: CC Top of Section Depth(m): 208.60
LITHOLOGY: METAMORPHIC COBBLE;
Piece No. : PCE NO PCES NUMBERS ASSIGNED;
Comments : ONE CORE PIECE OF A LARGE METAMORPHIC COBBLE, PART
OF A CONGLOMERATE BED, LIGHT BLUISH GRAY (5B 7/1)
GREEN SCHIST FACIES, SILICIFIED SANDSTONE, FINE-
GRAINED, MAY CONTAIN ALBITE, BROWN MICA, BUT 75%
QUARTZ, SOME GRAPHITE, PYRITE;
Leg : 64 Top/Bottom Interval(mm): 0/ 80 Analyst: Kelts, K.
Hole: 476 Sample Midpoint (m) : 218.11
Core: 24 Top of Core Depth (m) : 218.00
Sect: CC Top of Section Depth(m): 218.13
LITHOLOGY: METASANDSTONE;
Piece No. : PCE NO PCES NUMBERS ASSIGNED;
Comments : HARD, METASANDSTONE, GREENISH GRAY (5G 4/1)
QUARTZITIC, PYRITE SEAMS, CALCITE VEINS, FINE-
GRAINED COMPONENTS, POSSIBLE VOLCANIC SOURCES;
Leg : 64 Top/Bottom Interval(mm): 0/ 540 Analyst: Niemitz, J.
Hole: 476 Sample Midpoint (m) : 228.04
Core: 25 Top of Core Depth (m) : 227.50
Sect: 1 Top of Section Depth(m): 227.50
LITHOLOGY: POLYGENETIC CONGLOMERATE OF METAMORPHIC AND IGNEOUS
ROCK COMPONENTS;
Piece No. : PCE 1 (0-10), 2 (13-17), 3 (20-24), 4 (26-35),
5 (38-49), 6 (52-53);
Comments : POOR RECOVERY, ANY MATRIX WOULD HAVE BEEN WASHED
OUT;
PCE 1: LIGHT-COLORED, WEATHERED QUARTZITE, POORLY-
SORTED, LOW-GRADE, FRIABLE, WITH QUARTZ, FELDSPAR,
CHLORITE, SOME TALC, CALCITE, ROUNDED;
PCE 2: LOW-GRADE, ALTERED, RECRYSTALLIZED VOLCANIC
TUFF(?) ANDESITIC(?), FINE (0.01-0.1MM) MESHWORK
OF RELICT GRAINS (0.2-0.3MM), ALTERED TO QUARTZ-
FELDSPAR-CHLORITE(?) AND SPEARS OF NEWLY FORMED
MICAS, MUCH OCCLUDED OPAQUE OR IRON-HYROXIDE, ONE
CALCITE PSEUDOMORPH AFTER OLIVINE, SOME POSSIBLE
EPIDOTE, LARGE RELICT ALTERED PLAGIOCLASE
PHENOCRYST;
PCE 3: COARSE-GRAINED HIGHLY WEATHERED GRANITIC
ROCK: GRANOBLASTIC, EQUIGRANULAR;
PCE 4 & 5: METABASALT OR DIABASE: QUARTZ-ALBITE-
EPIDOTE-CHLORITE-FELDSPAR;
AT 55CM: BASE HAS A BLEB OF MEDIUIM DARK GRAY
(N3) QUARTZ-SILT WITH (BARITE MUD), MOSTLY
WEATHERED GRAINS, ANGULAR QUARTZ (50%), IRON
OXIDES (10%) AND CLAY (30%);
Leg : 64 Top/Bottom Interval(mm): 0/ 770 Analyst: Niemitz, J.
Hole: 476 Sample Midpoint (m) : 237.77
Core: 26 Top of Core Depth (m) : 237.00
Sect: 1 Top of Section Depth(m): 237.00
LITHOLOGY: CONGLOMERATE COBBLES AND GRAY SANDY CLAY;
Piece No. : PCE 1 (0-8), 2 (9-55), 3 (57-67), 4 (69-77);
Comments : PCE 1: SPECKLED GREENISH WEATHERED GRANITIC ROCK,
LARGE (5-7MM) K-FELDSPAR PHENOCRYSTS, ALTERED
MAFICS;
PCE 2: MILKY WHITE QUARTZ PEBBLES (CA 2CM)
SUBANGULAR;
SEDIMENT: 12-55;
PCES 3 & 4: ALTERED QUARTZ-FELDSPAR-AMPHIBOLE ROCK
(GRANODIORITIC?), GREENISH-WHITE, FRIABLE PATINA,
SPECKLED, MAFICS ALTERED, REPLACED BY CHLORITE(?);
Leg : 64 Top/Bottom Interval(mm): 0/ 0 Analyst: Niemitz, J.
Hole: 476 Sample Midpoint (m) : 246.60
Core: 27 Top of Core Depth (m) : 246.50
Sect: CC Top of Section Depth(m): 246.60
LITHOLOGY: QUARTZ-FELDSPAR PEBBLE;
Piece No. : PCE NO PCE NUMBERS ASSIGNED;
Comments : SMALL BLEB (10CC) OF GREENISH GRAY (5G 5/2) AND
WHITE POORLY SORTED, WEATHERED QUARTZ-FELDSPAR
PEBBLE, SMASHED BY DRILLING INTO A COARSE ANGULAR
SAND HASH;
Leg : 64 Top/Bottom Interval(mm): 0/ 80 Analyst: Saunders, A.
Hole: 476 Sample Midpoint (m) : 256.08
Core: 28 Top of Core Depth (m) : 256.00
Sect: CC Top of Section Depth(m): 256.10
LITHOLOGY: HBL-BIOT-GRANITE;
Piece No. : PCE 1 (1-8);
Texture : MEDIUM-GRAINED,INEQUIGRANULAR GRANITIC ROCK;
Structure : UNCUT & CUT SURFACES SHOW MICROLITIC CAVITIES
CONTAINING QTZ(DRUSY);
Alteration : SLIGHTLY
SLIGHT CHLORITIZATION OF MAFIC MINERALS;
Comments : LIGHT GRAY GRANITIC ROCK,WHITE FELD,GREEN HBL;
Groundmass : FELDSPAR ( 60%)
PERTHITES SEEN WITHIN FELD;
QUARTZ ( 30%)
ANHEDRAL,PERCENTAGE UNCERTAIN,FRACTURED,FOUND IN
MICROLITIC CAVITIES(TO 5X2MM,DRUSY);
HORNBLENDE ( 5%)
XTLS;
Replacement: BIOTITE ( 5%)
MUSCOVITE ( 5%)
PRESENT IN SEVERAL PATCHES;
CHLORITE
Minerals Replaced: MAFICS
SLIGHT CHLORITIZATION OF MAFIC MINERALS;
Leg : 64 Top/Bottom Interval(mm): 0/ 900 Analyst: Fornari, D.
Hole: 476 Sample Midpoint (m) : 266.40
Core: 29 Top of Core Depth (m) : 265.50
Sect: 1 Top of Section Depth(m): 265.50
LITHOLOGY: GRANITE;
Piece No. : PCES 1 (0-3), 2 (5-8), 3 (11-14), 4 (17-19),
5 (22-27), 6 (30-38), 7 (42-48), 8 (50-52),
9 (54-60), 10 (62-66), 11 (70-77), 12 (79-84),
13 (86-89);
Texture : INEQUIGRANULAR;
Structure : SOME FLOW STRUCTURE,FLOW LINES COULD REPEAT SYN-
COOLING MOVEMENT OF XTLLIZED MASSES WITHIN THE MUSH,
ALTERNATIVELY DEFORMATIONS COULD RESULT FROM THE
ROCK BEING PROXIMATE TO A FAULT,SOME PYR PRESENT IN
SMALL VEINS,NO FLOWAGE VISIBLE ON CUT FACES,
SILICIFICATION SEEN;
Alteration : FRESH
ALTERATION OF MAFIC MINERALS HAS NOT PROGRESSED
VERY FAR(PCES 5+12);
Comments : BANDING OF WHITISH FELDS SEPARATED BY GRAYISH QTZ,
LIGHT BLUISH-GRAY(5B7/1);
Groundmass : FELDSPAR
QUARTZ
Replacement: BIOTITE
HORNBLENDE
CHLORITE
Minerals Replaced: HBL,BIOT
CHLORITIZATION OF BIOT & HBL;
Leg : 64 Top/Bottom Interval(mm): 0/ 80 Analyst: Saunders, A.
Hole: 476 Sample Midpoint (m) : 275.08
Core: 30 Top of Core Depth (m) : 275.00
Sect: 1 Top of Section Depth(m): 275.00
LITHOLOGY: HBL-BIOT GRANITE;
Piece No. : PCES 1 (0-8);
Texture : MEDIUM-GRAINED(LARGEST GRAINSIZE 6-8MM),
INEQUIGRANULAR GRANITIC ROCK,VERY SIMILAR TO CORES
28-CC & 19-1;
Structure : MIAROLITIC CAVITIES NOT SEEN(UNLIKE CORES 28-CC &
29-1);
Alteration : SLIGHTLY
ALTERED WHITE FELD,SLIGHT CHLORITIZATION OF MAFICS
Comments : LIGHT GRAY(537/1);
Groundmass : FELDSPAR ( 60%)
SLIGHTLY ALTERED,WHITE;
QUARTZ ( 30%)
ANHEDRAL;
HORNBLENDE
XTLS,EQUANT & ACICULAR;
BIOTITE ( 5%)
MUSCOVITE ( 5%)
Replacement: MAFICS
Minerals Replaced: CHLOR
SLIGHT CHLORITIZATION;
PATCHES;
Leg : 64 Top/Bottom Interval(mm): 0/ 130 Analyst: Saunders, A.
Hole: 476 Sample Midpoint (m) : 284.72
Core: 31 Top of Core Depth (m) : 284.50
Sect: CC Top of Section Depth(m): 284.69
LITHOLOGY: GRANITE;
Piece No. : PCES 1 (2-5), 2 (7-13);
Comments : IDENTICAL TO CORE 30-1;
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