68501 10 1 0 50 264.10 264.10 264.15 NAT 2 1 L SEDIMENT (LIMESTONE); 2 68501 10 1 501500 264.10 264.15 265.60 NAT 38 1 L APHYRIC BASALT; 2 N PCES 1 (7-15), 2 (17-19), 3 (21-25), 4 (26-35), 3 N 5 (36-43), 6 (43-50), 7 (52-59), 8 (59-65), 4 N 9 (65-72), 10 (74-80), 11 (83-85), 12 (85-93), 5 N 13 (95-98), 14 (100-103), 15 (106-113), 6 N 16 (117-124), 17 (127-133), 18 (133-140), 7 N 19 (142-149); 8 T APHYRIC,PCE 1 HAS GLASSY RIND,PCE 7 SMALL AMOUNT OF 9 T NEAR GLASSY MATERIAL NEAR TOP OF PCE,PCES 15+16 ARE 10 T THE COARSEST IN THE SECTION(CENTER OF FLOW); 11 S ABUNDANT FRACTURES,PCE 1 TWO TINY PYR VEINS,PCE 4 12 S HAS PROMINENT CRACK FILLINGS(WHICH ARE APPARENTLY 13 S VARIABLY OXIDIZED) SUCH AS GREEN SMEC & RED MATERIAL 14 S & FE.HYDROX & WHITE CLAY.MIN(?),PCE 5 HAS PROMINENT 15 S GREEN SMEC-FILLED HORIZONTAL CRACK,PCE 7 HAS SMEC- 16 S FILLED IRREGULAR CRACK,PCE 10 HAS OLIVE(5Y5/4) 17 S SECONDARY MINERALS(CLAY & FE.OX) ON SURFACE,PCE 12 18 S HAS GREEN SMEC-FILLED 1-2MM CRACK INSIDE WITH 19 S REDDISH FE.OX ON OUTER FRACTURE,PCE 15 REDDISH 20 S MATERIAL IN CRACK SMEC & HAS PATCHES OF CELAD(?) IN 21 S ROCK; 22 A MOD 23 P PLAG 24 P % MICROPHENOS IN NEAR-GLASSY PCES BUT NO PHENOS 25 P % VISIBLE IN COARSER ROCKS; 26 R CLAY 27 R % WHITE; 28 R SMEC 29 R % GREEN; 30 R FE.OX 31 R % REDDISH,POSSIBLY GOETHITE; 32 R FE.OX 33 R % HYDROX; 34 R CELAD 35 R % ID CELAD UNCERTAIN; 36 R PYR 37 R % PCE 1; 38 68501 10 2 01250 264.10 265.60 266.85 PV 28 1 L APHYRIC BASALT; 2 N PCES 20 (1-7), 21 (10-19), 22 (21-23), 23 (22-33), 3 N 24 (32-38), 25 (39-43), 26 (43-46), 27 (48-56), 4 N 28 (58-65), 29 (64-68), 30 (68-78), 31 (77-82), 5 N 32 (85-90), 33 (92-97), 34 (99-104), 35 (104-112), 6 N 36 (115-123); 7 T APHYRIC OR MICROPHYRIC BASALT,PCES 20+21+33 HAVE 8 T GLASSY MARGINS,UNIFORM COMPOSITION,ROCK APPEARS 9 T HOLOXTLLINE; 10 S SMEC-FILLED CRACKS WITH FE.HYDROX,PCE 23 HAS CRACK 11 S WITH REDDISH FE.HYDROX WHICH CROSS-CUTS CRACK WITH 12 S GREEN SMEC, PCES (20,21,33) BRECCIATED; 13 A SLIGHTLY TO MOD 14 A % PCES 20-21+33 BADLY ALTERED TO SMEC,AMONG 15 A % MICROPHENOS THERE ARE PSEUDOMORPHS OF SMEC 16 A % PROBABLY AFTER OL(TO 1%),PCE 30 SHOWS COLOR 17 A % ZONALITY OF WEATHERING(ESPECIALLY WHEN WET); 18 O GRAY BASALT; 19 P PLAG TO 0.5 20 P % MICROPHENOS; 21 G PLAG 22 G CPX 23 G % GNDMASS MINERALS FRESH; 24 R SMEC TO 1 OL 25 R % PSEUDOMORPHS PROBABLY AFTER OL; 26 R FE.HYDRX 27 R % HYDROX,REDDISH; 28 68501 11 1 01400 267.30 267.30 268.70 PV 32 1 L APHYRIC BASALT; 2 N PCES 37 (2-6), 38 (9-18), 39 (20-30), 40 (30-40), 3 N 41 (31-41), 42 (43-46), 43 (46-48), 44 (51-55), 4 N 45 (57-61), 46 (62-66), 47 (70-77), 48 (79-86), 5 N 49 (89-96), 50 (97-103), 51 (104-110), 52 (107-112), 6 N 53 (112-115), 54 (117-124), 55 (123-131), 7 N 56 (131-137); 8 T SAME ROCK AS CORES 10-1 & 10-2,APHYRIC(MICROPHYRIC), 9 T PCES 37+42+48-49 HAVE GLASSY MARGINS,PCES 50-56 ARE 10 T UNIFORM IN TEXTURE & COMPOSITION & PROBABLY 11 T HOLOXTLLINE; 12 S THIN CRACKS FILLED WITH CLAY.MINS FROM COLORLESS TO 13 S OLIVE GREEN & BRIGHT GREEN & RED IN COLOR,MASSIVE; 14 A MOD 15 A % OL PHENOS REPLACED BY CLAY.MINS,PCES 50-56 16 A % ALTERATION APPEARS TO BE DEVELOPED IN SMEC 17 A % (&/OR CELAD) REPLACEMENT OF OL,PLAG & CPX & MAGN 18 A % ARE FRESH; 19 P OL TO 1 20 P % REPLACED BY CLAY.MINS(SMEC & POSSIBLY BRIGHT GREEN 21 P % CELAD); 22 G PLAG 23 G CPX 24 G MAGN 25 R SMEC 26 R CELAD 27 R FE.HYDRX 28 R % HYDROX; 29 R CLAY OL 30 R % CLAY.MINS FROM COLORLESS TO OLIVE GREEN & BRIGHT 31 R % GREEN & RED IN COLOR; 32 68501 11 2 01500 267.30 268.80 270.30 PV 26 1 L APHYRIC BASALT; 2 N PCES 57 (1-10), 58 (11-22), 59 (20-28), 60 (30-34), 3 N 61 (36-39), 62 (42-47), 63 (50-60), 64 (60-67), 4 N 65 (70-73), 66 (75-84), 67 (85-92), 68 (94-98), 5 N 70 (96-102), 71 (105-112), 72 (115-122), 6 N 73 (124-133), 74 (135-146); 7 T SAME AS CORE 11-1,NO GLASS MARGINS,UNIFORMLY FINE-TO 8 T -MEDIUM-GRAINED,HOLOXTLLINE; 9 S CRACKS PROMINENT IN PCES 57-60+64 & FILLED WITH 10 S BROWNISH-RED SMEC OR CELAD & CONTAMINATED WITH 11 S HYDROFERRIC OXIDES,THIN VEINS OF LIGHT GREEN SMEC, 12 S DARK GREEN VEINS ARE OLDER THAN RED ONES; 13 A MOD 14 A % OL XTLS REPLACED BY SMEC OR CELAD; 15 O NO PCE 69(INADVERTENTLY SKIPPED); 16 G OL TO 1 17 G % REPLACED BY SMEC OR CELAD; 18 G PLAG 19 G MAGN 20 R CELAD 21 R % BROWNISH-RED; 22 R SMEC 23 R % BROWNISH-RED,LIGHT GREEN; 24 R FE.OX 25 R % HYDROFERRIC OXIDES; 26 68501 11 3 01100 267.30 270.30 271.40 NAT 18 1 L APHYRIC BASALT; 2 N PCES 75 (3-9), 76 (12-18), 77 (18-25), 78 (25-35), 3 N 79 (32-37), 80 (38-42), 81 (42-60), 82 (60-68), 4 N 83 (68-75), 84 (75-85), 85 (85-92), 86 (92-98), 5 T NEARLY HOLOXTLLINE,UNIFORMLY MEDIUM-GRAINED,APHYRIC; 6 S REDDISH MATERIAL FILLS FRACTURES,CLAYS & FE.OX(?) IN 7 S CRACKS; 8 A MOD 9 A % PCES 77-81 GREENISH & RED-TO-GREEN BANDS,40-60CM 10 A % A NUMBER OF DARK CLAY-FILLED PATCHES ASSOCIATED 11 A % WITH THE ALTERED BAND; 12 G CPX 13 G PLAG 14 R FE.OX 15 R % FE "OXYHYDRATES",REDDISH-BROWN; 16 R CLAY 17 R SMEC 18 68501 12 1 01500 273.10 273.10 274.60 PV 32 1 L APHYRIC TO MICROPHYRIC BASALT; 2 N PCES 88 (2-10), 89 (14-16), 90 (20-25), 91 (28-34), 3 N 92 (36-42), 93 (45-52), 94 (53-60), 95 (58-63), 4 N 96 (65-72), 97 (75-82), 98 (85-88), 99 (91-94), 5 N 100 (97-103), 101 (105-109), 102 (112-115), 6 N 103 (117-122), 104 (123-128), 105 (132-140), 7 N 106 (143-148); 8 T APHYRIC(OR MICROPHYRIC),MICROPHYRIC ZONE NEXT TO 9 T GLASSY MARGINS(TO 2CM),UNIFORM IN CENTRAL PARTS OF 10 T COOLING UNITS(SEEM TO BE HOLOXTLLINE & APHYRIC), 11 T APHANITIC,PCES 88-90+95-99; 12 S CRACKS FILLED WITH DARK-GREEN CELAD OR SMEC OR WITH 13 S ORANGE ORE(BROWNISH-RED CELAD WITH HYDROXIDES OR 14 S SMEC) & LIGHT-GREEN SMEC,PCE 97 HAS REDDISH-MATERIAL 15 S -FILLED 3MM VEIN; 16 A MOD 17 A % OL REPLACED BY SMEC,GLASS & MICROPHYRIC ZONE ARE 18 A % STRONGLY ALTERED; 19 G CLAY 20 G % COLORLESS INCLUSIONS IN PCES 95+96; 21 P PLAG TO 1 22 P CPX TO 1 23 P OL TO 1 24 P % ALL ARE MICROPHENOS; 25 R SMEC OL 26 R % POSSIBLY CELAD,DARK GREEN; 27 R CELAD 28 R % SOME WITH HYDROXIDES,DARK GREEN,POSSIBLY SMEC, 29 R % BROWNISH-RED; 30 R UNIDENT 31 R % PCE 97 HAS REDDISH MATERIAL IN VEIN; 32 68501 12 2 01100 273.10 274.60 275.70 PV 20 1 L APHYRIC TO MICROPHYRIC BASALT; 2 N PCES 107 (2-12), 108 (12-19), 109 (21-23), 3 N 110 (26-31), 111 (32-40), 112 (40-48), 113 (48-57), 4 N 114 (57-64), 115 (65-74), 116 (78-81), 117 (84-88), 5 N 118 (88-102), 119 (102-110); 6 T HOLOXTLLINE,FINE-GRAINED,APHYRIC,NO COOLING SELVAGES 7 T IN THE SECTION; 8 S CRACKS(TO 2MM THICK) FILLED WITH RED MATERIAL(SMEC 9 S OR CELAD WITH HYDROXIDES(?)),THIN VEINS OF GREEN 10 S SMEC,FILLING ALONG CRACKS ARE YELLOW & RED; 11 A MOD 12 A % UNIFORMLY ALTERED,PCE 119 DEMONSTRATES ZONATION 13 A % OF OXIDATION(UNOXIDIZED-4MM RED ZONE->5MM YELLOW 14 A % ZONE); 15 O PCE 119 HAS 4MM RED ZONE & >5MM YELLOW ZONE, 16 O CONTINUATION OF COOLING UNIT AT BASE OF CORE 12-1; 17 R SMEC 18 R CELAD 19 R % WITH HYDROXIDES(?); 20 68501 13 1 01500 280.10 280.10 281.60 PV 29 1 L APHYRIC BASALT; 2 N PCES 120 (1-10), 121 (12-26), 122 (28-30), 3 N 123 (30-49), 124 (49-68), 125 (68-77), 126 (78-81), 4 N 127 (83-90), 128 (90-103), 129 (103-115), 5 N 130 (112-120), 131 (120-125), 132 (125 130), 6 N 133 (129-135), 134 (139-149); 7 T PCE 120 COOLING SELVAGE,PCES 121-134 UNIFORMLY 8 T FINE-TO-MEDIUM GRAINED,HOLOXTLLINE; 9 S CRACKS FILLED WITH ORANGE & RED PRODUCTS(SMEC OR 10 S CELAD WITH HYDROXIDES) IN A ZONE OF OXIDATION; 11 A MOD TO EXTENSIVELY 12 A % ZONE NEXT TO GLASS STRONGLY ALTERED & REPLACED BY 13 A % SMEC,ZONE OF OXIDATION ALONG CRACKS, SYMMETRICAL - 14 A (1) VEIN (ORANGE OR RED MATERIAL TO 3MM THICKNESS 15 A (2) DK GRAY BASALT (1-2 CM) (3) YELLOWISH-GRAY ZONE 16 A (0.5-1.0 CM) (4) YELLOW TO ORANGE ZONE (0.5-1.0 CM) 17 A (5) GRAY BASALT; 18 O GRAY TO DARK GRAY BASALT,PCE 120 PROBABLY DROPPED 19 O DOWNHOLE; 20 V TO 2 TO 1 SMEC,CHLOR IRREGULAR 21 V % ID UNCERTAIN FOR CHLORITE; 22 P PLAG 23 P % SMALL,UNALTERED; 24 R SMEC 25 R CHLOR 26 R % ID CHLOR UNCERTAIN; 27 R CELAD 28 R HYDROXID 29 68501 13 2 01400 280.10 281.60 283.00 PV 24 1 L BASALT OR DOLERITE; 2 N PCES 135 (1-7), 136 (7-24), 137 (22-36), 3 N 138 (35-46), 139 (48-57), 140 (57-66), 141 (64-74), 4 N 142 (74-84), 143 (87-103), 144 (106-115), 5 N 145 (115-122), 146 (124-136); 6 T SAME ROCK AS IN CORE 13-1,VERY UNIFORM,FINE-TO- 7 T MEDIUM-GRAINED BASALT OR DOLERITE; 8 S CRACKS,PCES 144-146 CRACKS FILLED WITH CALCITE & 9 S DARK GREEN & RED CELAD & LIGHT GREEN SMEC; 10 A MOD 11 A % YELLOW & ORANGE ZONES OF OXIDATION ALONG CRACKS; 12 O SECTION GRADUALLY GRADES TO DARK GRAY ZONE; 13 V 0 14 P OL 1 15 R SMEC OL 16 R % PSEUDOMORPHS,ALSO IN CRACKS; 17 R CALCITE 18 R CELAD 19 R % DARK GREEN & RED,ID CELAD UNCERTAIN; 20 R SMEC 21 R % LIGHT GREEN; 22 R FE.OX 23 R % IN OUTER PARTS OF ALTERATION ZONES; 24 68501 14 1 01350 283.10 283.10 284.45 PV 24 1 L APHYRIC BASALT; 2 N PCES 147 (1-8), 148 (9-18), 149 (19-26), 3 N 150 (25-43), 151 (43-61), 152 (60-65), 153 (65-78), 4 N 154 (78-86), 155 (85-98), 156 (98-104), 5 N 157 (104-120), 158 (125-128), 159 (130-133); 6 T CONTINUATION OF ROCK AT BOTTOM OF CORE 13-2,APHYRIC, 7 T MEDIUM-GRAINED BASALT,PCE 147 IS MICROPHYRIC FROM A 8 T COOLING MARGIN; 9 S CRACKS RARER THAN IN CORE 13-2,CRACKS FILLED WITH 10 S GREEN CELAD & CALCITE; 11 A MOD 12 A % OL REPLACED BY SMEC,ALTERATION DECREASING DOWN 13 A % CORE,ZONATION OF ALTERATION ALONG CRACKS IS ONLY 14 A % SEEN ON A WET SURFACE; 15 O HIGHLY PROBABLE THAT PCE 147 IS FROM A HIGHER LEVEL 16 O & FELL DOWN HOLE; 17 G OL 18 G % EUHEDRAL,FEW REPLACED BY SMEC; 19 R CELAD 20 R % GREEN; 21 R SMEC OL 22 R % GREEN; 23 R CALCITE 24 68501 14 2 01500 283.10 284.60 286.10 NAT 24 1 L APHYRIC BASALT; 2 N PCES 160 (2-15), 161 (13-23), 162 (26-32), 3 N 163 (35-46), 164 (50-59), 165 (58-65), 166 (65-79), 4 N 167 (78-88), 168 (88-97), 169 (97-107), 5 N 170 (109-119), 171 (119-125), 172 (124-132), 6 N 173 (134-139), 174 (141-143), 175 (146-149); 7 T GRAINSIZE DECREASES SYSTEMATICALLY THROUGH PCES 8 T 171-174,ALTERED GLASS ON TOP OF PCE 174,APHYRIC; 9 S CRACKS FILLED WITH GREEN SMEC & REDDISH FE.OXYHYDROX 10 S & CALCITE,MASSIVE; 11 A MOD 12 A % ALTERATION ZONES(0.1-1CM) NEXT TO PROMINENT CRACKS 13 A % (WIDER AT TOP OF CORE),GLASS ON TOP OF PCE 174 14 A % ALMOST TOTALLY ALTERED TO YELLOW-GREEN CLAYS, 15 A % ALTERED ZONES MORE VISIBLE ON WET SURFACES; 16 O PCE 175 BEGINS NEXT COOLING UNIT; 17 R SMEC 18 R % GREEN; 19 R CALCITE 20 R FE.OX 21 R % OXHYDROXIDES,REDDISH; 22 R CLAY 23 R % YELLOW-GREEN; 24 68501 14 3 01500 283.10 286.10 287.60 NAT 21 1 L PLAG SPARSELY TO MOD PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 176 (3-9), 177 (12-16), 178 (19-28), 4 N 179 (32-34), 180 (37-45), 181 (48-55), 182 (58-67), 5 N 183 (71-78), 184 (81-89), 185 (91-99), 6 N 186 (101-109), 187 (110-118), 188 (121-128), 7 N 189 (143-148); 8 T PLAG SPARSELY TO MOD PHYRIC,GLASS AT PCES 176+185 9 T +188; 10 S CRACKS,PILLOW; 11 A MOD 12 A % ALTERATION ZONE AROUND CRACK IN PCE 181, SECONDARY 13 A % MINERALS IN CRACKS AND AFTER GLASS AT "PILLOW" 14 P % RIMS; 15 P PLAG 2-3 16 P % VISIBLE ONLY IN FINER-GRAINED ROCKS; 17 R SMEC GLASS 18 R % GREEN; 19 R FE.OX 20 R % FE OXYHYDROXIDE,RED; 21 68501 14 4 0 800 283.10 287.60 288.40 NAT 18 1 L PILLOW BASALT; 2 N PCES 190 (2-11), 191 (14-22), 192 (24-35), 3 N 193 (37-43), 194 (47-52), 195 (55-61), 196 (64-71), 4 N 197 (74-79); 5 T SEQUENCE OF RUBBLY PILLOW BASALT FRAGMENTS INCLUDING 6 T SEVERAL GLASSY & VERY FINE-GRAINED,SOME PCES HAVE 7 T VISIBLE SPHERULITES; 8 S FRACTURES WITH GREEN SMEC,PILLOW BASALT; 9 A MOD 10 A % SMEC FROM ALT.GLAS; 11 V SMEC ROUND,IRREG 12 V % SMALL & FILLED WITH GREEN SMEC; 13 R SMEC GLASS 14 R % GREEN; 15 R FE.OX 16 R % PCE 191; 17 O PCES (190,192,194) IN BAGS; 18 68501 15 1 01500 292.10 292.10 293.60 NAT 32 1 L PLAG SPARSELY TO MOD PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 198 (2-10), 199 (10-18), 200 (19-30), 4 N 201 (31-35), 202 (37-41), 203 (44-47), 204 (49-53), 5 N 205 (57-59), 206 (63-66), 207 (68-74), 208 (77-83), 6 N 209 (86-95), 210 (97-106), 211 (108-112), 7 N 212 (112-120), 213 (123-130), 214 (134-136), 8 N 215 (142-148); 9 T VERY FINE-GRAINED TO GLASSY WITH SPHERULITES 10 T (VARIOLITIC) VISIBLE ON ALMOST EVERY PCE,PLAG 11 T SPHERULITES NEAR GLASSY RIMS,NON-VERTICAL GLASS 12 T MARGINS ON PCES 209+212,CHILLED FLOW BOTTOM 13 T (HORIZONTAL) ON PCE 210; 14 S SEQUENCE PILLOWS OR THIN SHEET FLOWS, 15 S CRACKS & FRACTURES FILLED WITH CALCITE & GREEN SMEC 16 S REDDISH FE.OX(CLAYS?); 17 A MOD TO EXTENSIVELY 18 A % MOSTLY MOD ALTERATION EXCEPT FOR SOME INTENSE 19 A % ALTERATION OF GLASS,GREEN CLAYS FORM ABUNDANT 20 A % INTERSTITIAL PATCHES BETWEEN PLAG NEEDLES IN 21 A % COARSER ROCKS; 22 V % VESICLES IN PCE 199; 23 G PLAG 5-10 1-3 24 G % EUHEDRAL,SOME IN CLUMPS; 25 R CALCITE 26 R SMEC 27 R % GREEN; 28 R FE.OX 29 R % REDDISH,MAYBE CLAYS; 30 R CLAY 31 R % GREEN,REDDISH; 32 68501 15 2 01450 292.10 293.60 295.05 NAT 27 1 L PLAG SPARSELY TO MOD PHYRIC BASALT; 2 N PCES 217 (3-10), 218 (13-18), 219 (19-26), 3 N 220 (26-32), 221 (35-40), 222 (42-51), 223 (55-57), 4 N 224 (72-79), 225 (83-90), 226 (91-99), 5 N 227A (101-105), 227B (105-118), 227C (108-112), 6 N 227D (113-116), 228 (123-131), 229 (133-145); 7 T VERY FINE-GRAINED SOME PCES WITH ALT.GLAS CHILLED 8 T RINDS MANY WITH SPHERULITIC CLUSTERS(VARIOLITES) 9 T VISIBLE ON ALMOST EVERY PCE,GLASSY SELVAGE; 10 S SEQUENCE CONTINUATION OF THIN FLOWS OR SMALL PILLOWS 11 S BEGUN IN CORE 14-4; 12 A MOD 13 A % INTENSE ALONG CRACKS & IN GLASS SELVAGES,CALCITE & 14 A % GREEN SMEC & REDDISH FE.OX FILL CRACKS,0.75CM 15 A % LIGHT GREEN CLAY LUMP AFTER GLASS ON PCE 223; 16 V SMEC,FE.OX 17 V % GREEN SMEC & REDDISH FE.OX IN PCES 217+218; 18 P PLAG 1-3 19 P % RARELY 5MM,EUHEDRAL SOME SKELETAL; 20 R CALCITE 21 R SMEC 22 R % GREEN; 23 R FE.OX 24 R % REDDISH; 25 R CLAY GLASS 26 R % LIGHT GREEN LUMP; 27 68501 15 3 01500 292.10 295.10 296.60 PV 27 1 L PLAG-OL MOD PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 230 (2-13), 231 (13-18), 232 (20-30), 4 N 233 (26-34), 234 (34-38), 235 (38-47), 236 (47-51), 5 N 237 (52-60), 238 (63-67), 239 (67-75), 240 (76-79), 6 N 241 (78-80), 242 (84-88), 243 (90-93), 244 (93-98), 7 N 245 (99-103), 246 (105-115), 247 (115-120), 8 N 248 (123-130), 249 (132-147); 9 T APHANITIC,PCES 238+240-241 GLASSY MARGINS,FINE- 10 T GRAINED ZONE NEXT TO GLASSY ZONE; 11 S PILLOW BASALT,CRACKS FILLED WITH DARK GREEN CELAD(OR 12 S SMEC) & CALCITE; 13 A MOD TO EXTENSIVELY 14 A % OL REPLACED BY SMEC,FINE-GRAINED ZONE NEXT TO 15 A % GLASSY MARGIN IS STRONGLY ALTERED,PCES 230-236 RED 16 A % CLAY-OXIDE ALTERATION,GLASS IS PARTLY FRESH; 17 V 0 18 P PLAG 7 1-4 19 P % UP TO 8MM; 20 P OL 2 21 P % REPLACED BY SMEC; 22 P % PROPORTION OF PHENOS IN GLASS IS SAME AS GNDMASS; 23 R SMEC OL 24 R CELAD 25 R % DARK GREEN,POSSIBLY SMEC; 26 R CALCITE 27 68501 15 4 0 500 292.10 296.60 297.10 PV 19 1 L PLAG-OL MOD PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 250 (2-5), 251 (6-12), 252 (16-20), 4 N 253 (23-25), 254 (25-29), 255 (31-40), 256 (43-46); 5 T SAME AS ROCK IN CORE 15-3,PCE 250 HAS GLASSY MARGIN; 6 S PILLOW BASALT,CRACKS FILLED WITH GREEN SMEC; 7 A MOD 8 V 0 9 P PLAG 7 1-4 10 P OL 2 2-3 11 P % ALTERED TO SMEC OR CELAD WITH SOME RED ALTERATION 12 P % & CALCITE; 13 R SMEC OL 14 R % GREENISH; 15 R CELAD OL 16 R CALCITE 17 R UNIDENT 18 R % RED MATERIAL; 19 68501 16 1 01450 301.10 301.10 302.55 PV 23 1 L PLAG-OL MOD PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 257 (2-11), 258 (13-15), 259 (18-27), 4 N 260 (27-31), 261 (33-37), 262 (37-41), 263 (44-46), 5 N 264 (47-51), 265 (53-56), 266 (60-63), 267 (64-73), 6 N 268 (73-77), 269 (78-86), 270 (85-92), 271 (92-100), 7 N 272 (100-107), 273 (107-110), 274 (112-121), 8 N 275 (122-126), 276 (128-132), 277 (137-143); 9 T NO GLASSY MARGINS; 10 S CRACKS ARE FILLED WITH GREEN SMEC & CALCITE,PCES 11 S 269-272 CRACKS FILLED WITH LIGHT-GREEN SMEC(2-3MM 12 S THICK); 13 A MOD TO EXTENSIVELY 14 A % OXIDATION ZONES ALONG CRACKS CONSISTING OF YELLOW 15 A % & BROWN OR RED MATERIAL INSTEAD OF GREEN SMEC 16 A % (CELAD) 2-3CM THICK; 17 P PLAG 5-7 2-4 18 P OL 2 TO 2 19 R SMEC 20 R % GREEN,LIGHT GREEN; 21 R CALCITE 22 R CELAD 23 68501 16 2 0 500 301.10 302.60 303.10 PV 10 1 L PLAG-OL MOD PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 278 (3-8), 279 (11-20), 280 (22-30), 4 N 281 (32-35), 282 (37-47); 5 T SAME AS CORE 16-1,COOLING SELVAGES COULD BE NEAR 6 T PCES 278-279+282; 7 A MOD TO EXTENSIVELY 8 P PLAG 9 P OL 10 68501 17 1 01300 305.10 305.10 306.40 PV 20 1 L OL-PLAG MOD PHYRIC BASALT; 2 N PCES 283 (2-6), 284 (8-17), 285 (19-21), 3 N 286 (24-31), 287 (33-47), 288 (47-57), 289 (57-67), 4 N 290 (67-78), 291 (80-82), 292 (85-90), 293 (90-99), 5 N 294 (98-107), 295 (107-117), 296 (117-128); 6 T HOLOXTLLINE,NO COOLING SELVAGES,APPEARS TO BE BASALT 7 T FLOW; 8 S CRACKS FILLED WITH LIGHT GREEN SMEC & CALCITE; 9 A MOD 10 A % THICK BROWN OXIDATION ZONE(TO 3CM) ALONG CRACKS; 11 V 0 12 P PLAG 5 TO 4 13 P OL 3 TO 2 14 P % ALTERED,EUHEDRAL; 15 R SMEC 16 R % LIGHT GREEN,RED; 17 R CALCITE 18 R CELAD 19 R % GREEN; 20 68501 17 2 01500 305.10 306.60 308.10 PV 26 1 L PLAG-OL SPARSELY PHYRIC BASALT; 2 N PCES 297 (2-7), 298 (7-14), 299 (15-21), 3 N 300 (22-27), 301 (30-40), 302 (43-49), 303 (49-56), 4 N 304 (55-61), 305 (63-70), 306 (74-84), 307 (85-93), 5 N 308 (95-101), 309 (103-110), 310 (114-121), 6 N 311 (123-132), 312 (132-138), 313 (140-148); 7 T PCES 297-305 SPARSELY PHYRIC BASALT FLOW,CONTACT 8 T BETWEEN PCES 306+307 NOT RECOVERED,PCE 306 IS FINER- 9 T GRAINED THAN PCES 297-305,PCES 307-313 SPARSELY 10 T PHYRIC BASALT GLASSY TO APHANITIC WITH NUMEROUS 11 T GLASSY MARGINS; 12 S CRACKS FILLED WITH CALCITE(ARAGONITE?) & GREEN CELAD 13 S (SMEC); 14 O PCE 306 IS END OF UNIT; 15 A SLIGHTLY TO MOD 16 A % MOSTLY ALONG CRACKS,FRESH OL & PLAG PRESERVED IN 17 A % THE GLASS, ALTERATION IN NEW UNIT WEAKER AND MOSTL 18 A % ALONG CRACKS; 19 P PLAG 20 P OL 21 P % FRESH PLAG & OL IN GLASS; 22 R CALCITE 23 R % POSSIBLY ARAGONITE; 24 R CELAD 25 R % POSSIBLY SMEC; 26 68501 17 3 01500 305.10 308.10 309.60 NAT 36 1 L PLAG-OL MOD PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 314 (2-8), 315 (8-12), 316 (14-21), 4 N 317 (21-28), 318 (30-39), 319 (40-49), 320 (51-58), 5 N 321 (58-63), 322 (63-65), 323 (67-74), 324 (77-82), 6 N 325 (85-88), 326 (90-98), 327 (100-107), 7 N 328 (109-116), 329 (118-124), 330 (124-129), 8 N 331 (131-137), 332 (141-146); 9 T MOD PHYRIC BASALT,PCES 314+317+331 ARE GRADATIONAL 10 T FROM COOLING UNIT BOUNDARIES(SPHERULITIC COARSENING 11 T IN ONE DIRECTION) PROBABLY TOP OF UNITS,PCE 328 IS 12 T BOTTOM OF COOLING UNIT,OTHER PCES VERY FINE-GRAINED; 13 S CRACKS FILLED GREEN SMEC & FE.OX & CALCITE, 14 S (ARAGONITE?),PILLOW BASALT; 15 A MOD 16 A % NO ALTERATION ZONE ALONG CRACKS,OVERALL ALTERATION 17 A % LOWER THAN IN PREVIOUS CORES,PCES 314-326+331-332 18 A % OL REPLACED BY SMEC; 19 O SEQUENCE OF THIN FLOWS OR PILLOWS; 20 V SMEC,CALCITE, 21 V FE.OX 22 V % GREEN,SMEC,RED ALTERATION MATERIAL +/- FE.OX & 23 V % CALCITE; 24 P PLAG 5-10 1-3 25 P % EUHEDRAL,SOME GLOMEROCRYSTS; 26 P OL 1 27 P % FRESH IN SEVERAL PCES ESPECIALLY PCES 327-330 & 28 P % ELSEWHERE IS REPLACED BY DARK SMEC; 29 R SMEC OL 30 R % DARK,ESPECIALLY IN PCES 327-330; 31 R CALCITE 32 R % ID CALCITE UNCERTAIN(POSSIBLY ARAGONITE); 33 R UNIDENT 34 R % RED(+/- FE.OX); 35 R FE.OX 36 68501 18 1 01500 310.10 310.10 311.60 NAT 29 1 L PLAG-OL MOD PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 333 (2-10), 334 (12-20), 335 (22-29), 4 N 336 (32-40), 337 (42-50), 338 (52-61), 339 (63-67), 5 N 340 (67-70), 341 (70-75), 342 (75-80), 343 (80-86), 6 N 344 (100-103), 345 (105-112), 346 (112-121), 7 N 347 (120-130), 348 (130-140), 349 (140-147); 8 T MOD PHYRIC,ALTERED TO GLASSY RIMS ON SEVERAL PCES 9 T INCLUDING SOME ON SIDE; 10 S FAIRLY HIGHLY FRACTURED,ALT.MINS IN CRACKS & 11 S ALONG FRACTURE SURFACES,THICK CLAY ZONES NEXT TO 12 S GLASS ON PCE 333(REDDISH) & PCE 343(DARK & LIGHT 13 S GREEN); 14 A MOD 15 A % MUCH OF PLAG PHENOS ALTERED TO GREEN CLAYS,GREEN 16 A % CLAYS PERVASIVE IN VESICLES & PATCHES & AFTER OL; 17 O SEVERAL COOLING UNITS INVOLVED; 18 V CLAY 19 V % GREEN CLAYS PERVASIVE; 20 P PLAG 5-7 21 P OL TO 1 22 P % MANY ALTERED TO GREEN CLAY; 23 R SMEC 24 R % GREEN; 25 R CLAY OL 26 R % GREEN; 27 R CLAY 28 R % RED(+/- FE.OX); 29 68501 18 2 01450 310.10 311.60 313.05 NAT 17 1 L PLAG-OL PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 350 (2-10), 351 (7-11), 352 (15-18), 4 N 353 (20-29), 356 (46-50); 5 T SIMILAR TO CORE 18-1; 6 S HIGHLY FRACTURED WITH ALT.MINS OF FRACTURE SURFACES; 7 A MOD 8 V CLAY 9 V % GREEN; 10 P PLAG 3 1-3 11 P OL TO 1 1-3 12 R SMEC 13 R % GREEN; 14 R UNIDENT 15 R % RED(+/- FE.OX); 16 R FE.OX 17 68501 18 2 01450 310.10 311.60 313.05 NAT 20 1 L APHYRIC TO SPARSELY PLAG PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 354 (30-38), 355 (37-46), 357 (55-61), 4 N 358 (62-72), 359 (73-80), 360 (82-88), 361 (90-98), 5 N 362 (100-107), 363 (112-122), 364 (120-128), 6 N 365 (128-132); 7 T PCE 354 APHYRIC,PCES 355-365 SPARSELY PHYRIC; 8 S HIGHLY FRACTURED WITH ALT.MINS OF FRACTURE SURFACES; 9 A MOD 10 V CLAY 11 V % GREEN; 12 P PLAG TO 3 1-3 13 P OL TO 1 1-3 14 R SMEC 15 R % GREEN; 16 R UNIDENT 17 R % RED(+/OR FE OXYHYDROXIDE); 18 R CLAY 19 R % GREEN; 20 68501 19 1 01500 319.10 319.10 320.60 NAT 23 1 L PLAG-OL MOD PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 367 (2-5), 368 (5-8), 369 (10-12), 370 (14-62), 4 N 371 (64-71), 372 (75-80), 373 (82-89), 374 (92-98), 5 N 375 (102-110), 376 (113-118), 377 (120-129), 6 N 378 (131-138); 7 T GLASS & ALT.GLAS ON MANY PCES OTHERS ARE FINE- 8 T GRAINED; 9 S THIN RUBBLY PILLOWS OR THIN FLOWS,GENERALLY HIGHLY 10 S FRACTURED WITH MANY TINY IRREGULAR CRACKS; 11 A MOD TO EXTENSIVELY 12 A % MOST INTENSE IN GLASSY ZONES WHICH ARE VERY RUBBLY 13 A % BRECCIATED & LARGELY CONVERTED TO GREEN CLAYS, 14 A % APPARENTLY ALTERATION HAS CEMENTED PCES TOGETHER 15 A % ALLOWING BETTER RECOVERY OF THIS TYPE OF MATERIAL, 16 A % NO RED ZONES OR CALCITE; 17 V 1-3 CLAY 18 P PLAG 5-7 19 P OL TO 1 20 P % SOME SINGLE XTLS & SOME CLUMPS; 21 R CLAY GLASS 22 R % GREEN; 23 68501 19 2 01500 319.10 320.60 322.10 NAT 11 1 L PLAG-OL MOD PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 379 (2-5), 380 (5-8), 381 (9-16), 382 (17-25), 4 N 383 (27-33), 384 (33-37), 385 (37-42), 386 (44-62), 5 N 387 (64-73), 388 (74-80), 389 (82-90), 390 (90-93), 6 N 391 (99-103), 392 (103-109), 393 (115-121), 7 N 394 (124-130), 395 (134-142), 396 (143-147); 8 T SAME AS CORE 19-1; 9 R FE.OX TR 10 R % FE OXYHYDROXIDES,REDDISH; 11 68501 19 3 0 500 319.10 322.10 322.60 NAT 8 1 L PLAG-OL MOD PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 397 (2-6), 398 (10-13), 399 (15-19), 4 N 400 (21-30), 401 (33-39), 402 (43-47); 5 T PCE 400 INCLUDES FINE BROKEN-UP SAND-SIZED BASALT 6 T FRAGMENTS & SECONDARY MINERALS,SAME AS CORES 19-1 & 7 T 19-2; 8 68501 20 1 01500 328.10 328.10 329.60 PV 30 1 L PLAG-OL-CPX SPARSELY PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 403 (2-8), 404 (10-15), 405 (16-22), 4 N 406 (24-28), 407 (30-33), 408 (45-42), 409 (43-50), 5 N 410 (48-53), 411 (53-60), 412 (59-65), 413 (65-71), 6 N 414 (70-77), 415 (75-84), 416 (85-92), 417 (92-95), 7 N 418 (95-100), 419 (102-110), 420 (110-115), 8 N 421 (115-127), 422 (124-132), 423 (132-142), 9 N 424 (141-150); 10 T UNIFORM SPARSELY PHYRIC BASALT PCES 409-424,GNDMASS 11 T FINE-GRAINED & SEEMS TO BE HOLOXTLLINE; 12 S CRACKS FILLED WITH GREEN SMEC,PILLOW BASALT,VERY 13 S THIN(0.9MM) CALCITE VEINS; 14 A MOD TO EXTENSIVELY 15 O PCES 403-408 INTERPILLOW BRECCIA WITH FRAGMENTS OF 16 O BASALT & GLASS(TO SEVERAL CM) CEMENTED WITH LIGHT 17 O GREEN SMEC & DARK GREEN CELAD(?); 18 V <1 CELAD,SMEC 19 V % RARE VESICLES WITH DARK GREEN CELAD RIMS & LIGHT 20 V % GREEN SMEC CORES; 21 P PLAG 3 22 P % A LITTLE LARGER THAN OL PHENOS; 23 P OL 3 24 R CELAD 25 R % DARK GREEN,ID CELAD IN INTERPILLOW BRECCIA 26 R % UNCERTAIN; 27 R SMEC 28 R % GREEN TO LIGHT GREEN; 29 R CALCITE 30 68501 20 2 01450 328.10 329.60 331.05 PV 20 1 L OL-PLAG SPARSELY PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 425 (1-10), 426 (10-17), 427 (17-25), 4 N 428 (24-35), 429 (34-41), 430 (42-47), 431 (48-49), 5 N 432 (52-61), 433 (62-68), 434 (69-74), 435 (75-82), 6 N 436 (83-87), 437 (91-100), 438 (102-108), 7 N 439 (110-117), 440 (119-128), 441 (130-133), 8 N 442 (135-142); 9 T SAME AS CORE 20-1,PCES 427+432+442 GLASSY MARGINS; 10 S PILLOW BASALT; 11 A MOD TO EXTENSIVELY 12 A % PCES 430-431+433+439 STRONGLY ALTERED & MOSTLY 13 A % CONVERTED TO GREEN SMEC; 14 O PCES 430-431+433+439 PROBABLY FROM INTERPILLOW SPACE 15 O & BRECCIA; 16 P OL 17 P PLAG 18 R SMEC 19 R % GREEN; 20 68501 20 3 01500 328.10 331.10 332.60 PV 24 1 L OL-PLAG SPARSELY PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 443 (1-9), 444 (9-15), 445 (16-21), 4 N 446 (23-32), 447 (32-39), 448 (39-42), 449 (44-46), 5 N 450 (45-50), 451 (52-60), 452 (62-71), 453 (72-79), 6 N 454 (81-85), 455 (87-93), 456 (94-103), 7 N 457 (105-112), 458 (114-120), 459 (119-123), 8 N 460 (125-130), 461 (132-139), 462 (140-148); 9 T SAME AS CORE 20-1 & 20-2,SPARSELY PHYRIC,ALT.GLAS 10 T MARGINS IN PCES 459+461; 11 S CRACKS FILLED WITH GREEN MATERIAL(SMEC OR CELAD); 12 A MOD TO EXTENSIVELY 13 A PCES 445+450+455+458 PROBABLY REPRESENT INTERPILLOW 14 O SPACE; 15 V TO 1 RARE SMEC 16 P PLAG TO 3 TO 3 17 P % EUHEDRAL; 18 P OL TO 3 TO 3 19 P % EUHEDRAL,REPLACED BY GREEN SMEC; 20 R SMEC OL 21 R % DARK TO LIGHT GREEN,ID SMEC UNCERTAIN IN CRACKS; 22 R CELAD 23 R % ID CELAD UNCERTAIN; 24 68501 20 4 01500 328.10 332.60 334.10 PV 20 1 L PLAG-OL SPARSELY PHYRIC BASALT; 2 L PILLOW BASALT; 3 N PCES 463 (1-10), 464 (10-19), 465 (18-24), 4 N 466 (25-30), 467 (32-37), 468 (38-42), 469 (45-53), 5 N 470 (51-56), 471 (57-62), 472 (61-71), 473 (73-76), 6 N 474 (78-85), 475 (85-90), 476 (92-95), 477 (98-103), 7 N 478 (107-115), 479 (116-121), 480 (123-128), 8 N 481 (131-136), 482 (136-139), 483 (139-141), 9 N 484 (144-150); 10 T SPARSELY PHYRIC BASALT,GLASSY MARGINS IN PCES 477+ 11 T 481,SAME AS IN CORES 20-1 & 20-2 & 20-3; 12 S SOME OXIDIZED MATERIAL IN SOME VEINS; 13 A MOD TO EXTENSIVELY 14 A % PCES 475-476 STRONGLY ALTERED; 15 O PCES 475-476 ARE PROBABLY FROM INTERPILLOW SPACE; 16 P PLAG 3 17 P OL 3 18 R UNIDENT 19 R % RED OXIDIZED MATERIAL IN SOME VEINS; 20