59451 35CC 170 200 318.50 319.42 ZAK S 24 1 S RT PLAG-OL-CPX PHYRIC BASALT 2 S % CLAST IN VOLCANICLASTIC CONGLOMERATE; 3 S TEX PORPHYRITIC,HYALOPILITIC; 4 S WS CLAST IN BRECCIA* 5 P OL 5 2 6 P % PSEUDOMORPHS ONLY; 7 P PLAG 35 2-3EUHEDRAL,PRISMATIC 8 P % APPROX COMP AN60,GLOMEROMORPHS; 9 P CPX 2 2SUBHEDRAL 10 P % SLIGHTLY RESORBED,GLOMEROMORPHS WITH OL 11 P OP.MINS <1 0.4ANHEDRAL 12 P % IN OL PHENOS OR IN GROUNDMASS,INCLUDES MAGN OR 13 P % ILMENITE* 14 G OL 5 <0.1 15 G PLAG 15 <0.2 16 G CPX 10 <0.1 17 G OP.MINS 2 <0.1 18 G % INCLUDES MAGN + ILMENITE; 19 G GLASS 20 20 G % ALTERED--LOCALLY RELATIVELY FRESH* 21 A SMEC GROUNDMASS GLASS,OL 22 V 2-3 5GROUNDMASS MAINLY EMPTY OVAL- 23 V IRREGULAR 24 59451 38 113701400 347.00 348.39 ISH S 23 1 S RT PLAG-OL-CPX-OPX PHYRIC BASALTIC ANDESITE 2 S % CLAST IN VOLCANICLASTIC CONGLOMERATE,ROCK MAY 3 S % BE ANDESITE; 4 S TEX PORPHYRITIC,HYALOPILITIC; 5 S WS CLAST IN LAPILLI TUFF AND BRECCIA* 6 P OL 4 0.4-0.8 7 P % OPX? OR OL? PSEUDOMORPHS; 8 P PLAG 35 0.4-5.0EUHEDRAL-ANHEDRAL 9 P % APPROX COMP AN48; 10 P CPX 3 0.4-2.0SUBHEDRAL-ANHEDRAL 11 P OP.MINS 1 0.2-0.5SUBHEDRAL 12 P % INCLUDES MAGN OR ILMENITE,IN OL PYX OR GLASS; 13 P OPX 1 0.4 14 G OL TR 15 G PLAG 7 0.01-0.1PRISMATIC 16 G % APPROX COMP AN42; 17 G CPX 10 0.01-0.1PRISMATIC 18 G OP.MINS 5 0.01-0.05EQUIDIMENSIONAL-SUBHEDRAL 19 G % INCLUDES MAGN + ILMENITE; 20 G GLASS 30 21 G % BROWN* 22 A CLAY.MIN 4 GLASS RIMS,OL 23 59451 38 2 270 300 347.00 348.79 ISH S 23 1 S RT PLAG-CPX-OL-OPX PHYRIC BASALTIC ANDESITE 2 S % CLAST IN VOLCANICLASTIC CONGLOMERATE,ROCK MAY BE 3 S % ANDESITE; 4 S TEX PORPHYRITIC,HYALOPILITIC; 5 S WS CLAST IN LAPILLI TUFF AND BRECCIA* 6 P OL >4 0.5SUBHEDRAL 7 P % PERCENTAGE UNCERTAIN,PSEUDOMORPHS; 8 P PLAG 40 0.4-4EUHEDRAL-SUBHEDRAL 9 P % APPROX COMP AN58; 10 P CPX 6 0.4-2SUBHEDRAL 11 P % 2VZ 60; 12 P OPX <1 0.8ANHEDRAL 13 P OP.MINS 2 0.3-0.6SUBHEDRAL 14 P % INCLUDES ILMENITE + MAGN,IN GROUNDMASS+PLAG+PYX* 15 G PLAG 15 0.01-0.3LATHS 16 G % APPROX COMP AN53; 17 G CPX 5 0.02-0.05SUBHEDRAL 18 G OP.MINS 10 0.01-0.02EUHEDRAL-SUBHEDRAL 19 G % INCLUDES MAGN + ILMENITE; 20 G GLASS 17 21 A CLAY.MIN 15 OL,GLASS 22 V 0.6-7.0 5 EMPTY 23 59451 45 1 820 870 413.50 414.35 ISH S 21 1 S RT PLAG-CPX PHYRIC BASALT 2 S % CLAST IN VOLCANICLASTIC CONGLOMERATE; 3 S TEX PORPHYRITIC,HYALOPILITIC; 4 S WS CLAST IN LAPILLI TUFF AND BRECCIA* 5 P OL 0.5-1.0SUBHEDRAL 6 P % PSEUDOMORPHS; 7 P PLAG 40 0.4-5EUHEDRAL-SUBHEDRAL 8 P % APPROX COMP AN58; 9 P CPX 2 0.5-1.0SUBHEDRAL 10 P MAGN 1 0.2-0.5SUBHEDRAL 11 P % IN OL? PYX AND GROUNDMASS* 12 G PLAG 10 0.02-0.2PRISMATIC 13 G % APPROX COMP AN54; 14 G CPX 8 0.02-0.2SUBHEDRAL 15 G OP.MINS 5 0.01-0.05EUHEDRAL-SUBHEDRAL 16 G % INCLUDES MAGN + ILMENITE; 17 G GLASS 15 18 A CARB <1 19 A CLAY.MIN 15 GLASS,OL 20 V 0.4-2.0 3 EMPTY SPHERICAL 21 59451 46 1 240 290 416.50 416.77 ISH U 22 1 S RT PLAG-CPX-OPX PHYRIC ANDESITE 2 S % CLAST IN VOLCANICLASTIC BRECCIA; 3 S TEX PORPHYRITIC,HYALOPILITIC; 4 S WS CLAST IN LAPILLI TUFF AND BRECCIA* 5 P PLAG 30 0.5-6.0EUHEDRAL-SUBHEDRAL 6 P CPX 2 0.5-1.5SUBHEDRAL 7 P % AUGITE 2V 60; 8 P OPX TR 0.7SUBHEDRAL 9 P MAGN 1 0.2-0.7SUBHEDRAL 10 P % IN OPX CPX AND GROUNDMASS* 11 G PLAG 20 0.02-0.4PRISMATIC 12 G % APPROX COMP AN34 13 G CPX 5 0.02-0.3SUBHEDRAL 14 G OP.MINS 5 0.01-0.05SUBHEDRAL 15 G % INCLUDES MAGN + ILMENITE; 16 G GLASS 14 17 G % BROWN,ALTERED; 18 G OPX <1 0.3SUBHEDRAL,PRISMATIC 19 A CLAY.MIN 15VEIN,VESICLESOPX,CPX,GLASS 20 V 0.4-1.5 7 CLAY.MINS IRREGULAR 21 V % CLAY.MINS AT EDGE* 22 59451 53 2 90 130 473.50 475.11 ZAK S 24 1 S RT PLAG-CPX PHYRIC BASALTIC ANDESITE 2 S % CLAST IN VOLCANICLASTIC CONGLOMERATE,ROCK MAY BE 3 S % BASALTIC ANDESITE; 4 S TEX PORPHYRITIC,HYALOPILITIC; 5 S WS CLAST FROM BRECCIA* 6 P PLAG 40 2PRISMATIC 7 P % APPROX COMP AN62,SHORT AND ELONGATE PRISMATIC 8 P % XTLS,SLIGHTLY RESORBED; 9 P CPX 5 2-4.0SUBHEDRAL,ANHEDRAL 10 P % SUBHEDRAL AND ANHEDRAL RESORBED XTLS,RARE 11 P % GLOMEROMORPHS WITH PLAG; 12 P OP.MINS 1 0.5IRREGULAR 13 P % POSSIBLY MAGN?,IRREGULAR RESORBED GRAINS* 14 G PLAG 20 0.05-0.1LATHS 15 G CPX 2-3 0.02-0.05IRREGULAR,ANHEDRAL 16 G OP.MINS 1 0.01ANHEDRAL GRAINS 17 G % INCLUDES MAGN + ILMENITE; 18 G GLASS 25 19 G % ALMOST COMPLETELY ALTERED AND REPLACED WITH SMEC* 20 A CARB 1VESICLES CPX 21 A SMEC VESICLES GLASS 22 V 0.2-0.4 5 CARB,CLAY.MINS 23 V % CLAY.MINS ARE SMEC?* 24 59451 54 1 200 270 480.00 480.24 ZAK S 30 1 S RT PLAG-OL-CPX PHYRIC BASALTIC ANDESITE 2 S % CLAST IN VOLCANICLASTIC CONGLOMERATE,ROCK MAY BE 3 S % BASALTIC ANDESITE; 4 S TEX PORPHYRITIC,HYALOPILITIC; 5 S WS CLAST FROM BRECCIA* 6 P OL 4 1-1.5 7 P % COMPLETELY PSEUDOMORPHED; 8 P PLAG 40 0.1-3EUHEDRAL,PRISMATIC 9 P % SHORT EUHEDRAL PRISMS,APPROX COMP AN58; 10 P CPX 1 2IRREGULAR 11 P % XTLS RESORBED; 12 P OPX 13 P % IDENTITY UNCERTAIN--SOME PSEUDOMORPHS MIGHT BE 14 P % OPX* 15 G PLAG 10 16 G CPX 17 G % PERCENTAGE NOT KNOWN; 18 G OP.MINS 1-2 19 G % INCLUDES MAGN + ILMENITE; 20 G GLASS 30 0.03-0.04ELONGATE MICROLITES 21 G OPX 22 G % PERCENTAGE NOT KNOWN* 23 A CARB 5VEINS, OL 24 A AMYGDULES 25 A % PSEUDOMORPHS OL; 26 A CLAY.MIN 5-11GLASSY MATRIXGLASSY MATRIX 27 A ZEOLITES 1VEINS 28 A QUARTZ 2VEINS 29 V 2 3-4 CARB ELONGATE 30 59451 54 2 760 790 480.00 482.28 ISH U 13 1 S RT PLAG-CPX PHYRIC BASALT 2 S % CLAST IN VOLCANICLASTIC BRECCIA; 3 S TEX PORPHYRITIC,VITROPHYRIC; 4 S WS CLAST IN BRECCIA* 5 P PLAG 15 0.4-2.0 6 P % APPROX COMP AN62,ALTERED; 7 P CPX 20 0.4-2.0EUHEDRAL-SUBHEDRAL 8 P % AUGITE 2V + 60* 9 G GLASS 65 10 G % VESICULAR,ALTERED* 11 A CARB PLAG,OL 12 A CLAY.MIN GLASS 13 59451 55 3 660 670 489.50 493.17 ISH S 16 1 S RT PLAG-CPX MODERATELY PHYRIC BASALTIC ANDESITE 2 S % CLAST IN VOLCANICLASTIC CONGLOMERATE; 3 S TEX MODERATELY PORPHYRITIC,VITROPHYRIC; 4 S WS CLAST* 5 P PLAG 5 6 P CPX <1 7 P % AUGITE 2V +60; 8 P MAGN 1 ANHEDRAL 9 G PLAG 5 0.01-0.05SKELETAL 10 G % MICROLITES; 11 G GLASS 90 12 G % ALTERED TO CLAY.MINS + ZEOLITE* 13 A CARB 14 A ZEOLITES GLASS 15 A CLAY.MIN GLASS 16 59451 58CC 280 310 518.00 520.94 ZAK U 23 1 S RT PLAG-CPX-OPX PHYRIC BASALTIC ANDESITE 2 S % CLASTS IN CC PROBABLY WASHED OUT FROM AN ORIGINAL 3 S % BRECCIA INTERVAL; 4 S TEX PORPHYRITIC,HYALOPILITIC 5 S % WITH PATCHES OF GLASS; 6 S WS CLAST FROM BRECCIA* 7 P OL 0 8 P PLAG 25 0.6-3.0SUBHEDRAL 9 P % APPROX COMP AN50?,COMPLEX ZONING,GLASS INCLUSIONS; 10 P CPX 5 0.2-0.8 11 P % GLOMEROPHYRIC WITH PLAG; 12 P SPINEL 0 13 P OPX 5 0.2-1EUHEDRAL 14 P % APPROX COMP EN70-80,INCLUSIONS OF MAGN; 15 P MAGN 5 0.2-0.5SUBHEDRAL,ROUNDED 16 G PLAG 5 SKELETAL 17 G % MICROLITES; 18 G GLASS 30 19 G % DEVITRIFIED* 20 A CLAY.MIN GLASS 21 V % ONLY PARTLY FILLED,SCATTERED* 22 V 0.5-1 5 SMEC IRREGULAR 23 59451 59 1 550 570 527.50 528.06 MTY S 21 1 S RT PLAG-OPX-CPX-OL PHYRIC BASALTIC ANDESITE 2 S % CLAST IN VOLCANICLASTIC CONGLOMERATE; 3 S TEX PORPHYRITIC,PILOTAXITIC-HYALOPILITIC; 4 S WS CLAST IN VOLCANICLASTIC CONGLOMERATE* 5 P OL TR 0.2EUHEDRAL 6 P % PSEUDOMORPHS 7 P PLAG 30 0.5-4EUHEDRAL 8 P % APPROX COMP AN50-60?,ZONED,MANTLED,GLASS 9 P % INCLUSIONS; 10 P CPX 5 0.2-0.8 11 P % COMPLEX TWINNING,GLOMEROPHYRIC; 12 P OPX 7 0.2-1EUHEDRAL 13 P % APPROX COMP EN80,INCLUSIONS OF MAGNETITE* 14 G PLAG 20 0.005-0.1MICROLITES 15 G % FLOW ALIGNED; 16 G MAGN 3 0.1-0.3ROUNDED,SUBOCTOHEDRAL 17 G GLASS 35 18 G % FRESH,DEVITRIFIED* 19 A CLAY.MIN OL 20 V TR 21 59451 60 1 140 190 537.00 537.17 MTY S 17 1 S RT PLAG-CPX-OL PHYRIC BASALTIC ANDESITE 2 S % CLAST IN VOLCANICLASTIC CONGLOMERATE; 3 S TEX PORPHYRITIC,HYALOPILITIC; 4 S WS CLAST IN VOLCANICLASTIC CONGLOMERATE* 5 P OL 2 0.1-0.3 6 P % PSEUDOMORPHED BY CLAYS; 7 P PLAG 40 0.5-5SUBHEDRAL,EQUANT 8 P % COMPLEX TWINNING; 9 P CPX 10 0.2-1ROUNDED 10 P % RESORBED?* 11 G PLAG 7 0.02-0.08SKELETAL MICROLITES 12 G MAGN 1 0.1-0.3EUHEDRAL,SUBSKELETAL 13 G GLASS 40 14 G % ALTERED TO CLAYS?* 15 A CLAY.MIN OL,GLASS 16 V TR SMEC IRREGULAR 17 59451 66 114301460 594.00 595.45 MTY T 15 1 S RT CRYSTALLINE VITRIC TUFF 2 S % SAMPLE FROM TUFF.VOLCANICLASTIC BRECCIA,30% OF 3 S % SAMPLE ARE FRAGMENTS (0.5-1 MM) OF HYALOPILITIC 4 S % BASALT; 5 S TEX PORPHYRITIC,FRAGMENTOSE; 6 S WS CRYSTALLINE VITRIC TUFF* 7 P OL TR 8 P PLAG 30 0.2-0.8 9 P % FRAGMENTS; 10 P CPX 10 0.2-0.5 11 P % FRAGMENTS* 12 G GLASS 30 13 G % DEVITRIFIED,ALTERED TO CLAYS* 14 A CLAY.MIN GLASS 15 59451 69 2 110 130 622.50 624.12 MTY U 21 1 S RT PLAG-CPX-OL PHYRIC BASALTIC ANDESITE 2 S % CLAST FROM VOLCANICLASTIC BRECCIA,SECTION INCLUDES 3 S % TUFF MATRIX; 4 S TEX PORPHYRITIC,HYALOPILITIC-PILOTAXITIC; 5 S WS CLAST IN VOLCANICLASTIC BRECCIA + TUFF MATRIX* 6 P OL TR 7 P % IDENTITY UNCERTAIN; 8 P PLAG 30 0.5-3SUBHEDRAL,ANHEDRAL 9 P % COMPLEX TWINNING + ZONING,GLASS OR MAGN 10 P % INCLUSIONS; 11 P CPX 10 0.2-1EUHEDRAL-SUBHEDRAL 12 P % INCLUSIONS OF MAGN* 13 G PLAG 10 0.05-0.2SKELETAL MICROLITES 14 G % FLOW ALIGNED; 15 G MAGN 5 0.1-0.4SUBHEDRAL 16 G GLASS 45 17 G % EXTENSIVELY ALTERED TO CLAYS* 18 A CLAY.MIN 20 GLASS 19 A QUARTZ VEINS 20 V CLAY.MIN IRREGULAR 21 59451 69 2 440 470 622.50 624.46 MTY U 17 1 S RT APHYRIC BASALT 2 S % CLAST IN VOLCANIC BRECCIA; 3 S TEX APHYRIC,HYALOPILITIC; 4 S WS CLAST IN VOLCANIC BRECCIA* 5 P PLAG TR 0.2-0.3SUBHEDRAL 6 P % TWINNED; 7 P AMPH TR 0.2-0.4 8 P % IDENTITY UNCERTAIN,SECONDARY PSEUDOMORPH AFTER 9 P % CPX?* 10 G PLAG 40 0.02-0.1SKELETAL 11 G % MICROLITES,FLOW ALIGNED; 12 G GLASS 58 13 G % EXTENSIVELY ALTERED TO CHLOROPHAEITE (CLAY MINS)* 14 A CHLOROPH GLASS 15 V 0.1-0.3 2 EMPTY OR SPHERICAL 16 V CLAY.MIN 17 59451 74 1 100 130 670.00 670.12 MTY U 15 1 S RT PLAG-CPX-OPX PHYRIC BASALTIC ANDESITE 2 S % CLAST IN BASALTIC BRECCIA; 3 S TEX PORPHYRITIC,HYALOPILITIC* 4 P PLAG 40 0.5-3SUBHEDRAL 5 P % GLOMEROPHYRIC,GLASS INCLUSIONS,OSCILLATORY ZONING; 6 P CPX 7 0.5-1ANHEDRAL-SUBHEDRAL 7 P OPX 3 0.3-0.7EUHEDRAL 8 P % PARTLY ALTERED TO CALCITE + CLAYS* 9 G PLAG 8 0.02SKELETAL MICROLITES 10 G MAGN 2 0.1-0.2SUBHEDRAL,ROUNDED 11 G GLASS 40 12 G % PARTLY ALTERED TO CLAYS* 13 A CALCITE OPX 14 A CLAY.MIN OPX,GLASS 15 59451 87 2 630 670 784.00 786.15 MTY S 16 1 S RT PLAG-CPX PHYRIC BASALTIC ANDESITE 2 S % CLAST IN VOLCANICLASTIC CONGLOMERATE; 3 S TEX PORPHYRITIC,HYALOPILITIC; 4 S WS CLAST FROM VOLCANIC CONGLOMERATE* 5 P PLAG 20 0.3-2EUHEDRAL-SUBHEDRAL,EQUANT 6 P % GLOMEROPHYRIC* 7 G PLAG 15 0.1-0.3LATHS 8 G % ALSO 0.05 MM MICROLITES; 9 G CPX 3 0.1-0.2SUBHEDRAL,GRANULAR 10 G MAGN 3 0.1-0.3SUBHEDRAL 11 G GLASS 45 12 G % ALTERED TO BROWN CLAYS* 13 A CLAY.MIN VESICLES GLASS 14 A % SMEC IN VESICLES,BROWN CLAYS REPLACE GLASS* 15 V 0.2-0.8 4 SMEC IRREGULAR 16 59451 91 1 170 210 822.00 822.19 MTY S 17 1 S RT PLAG-CPX PHYRIC BASALTIC ANDESITE 2 S % CLAST IN VOLCANICLASTIC CONGLOMERATE; 3 S TEX PORPHYRITIC,VITROPHYRIC; 4 S WS CLAST FROM VOLCANIC CONGLOMERATE* 5 P PLAG 12 0.4-1.0IRREGULAR-SUBHEDRAL 6 P % GLOMEROPHYRIC,ROUNDED; 7 P CPX 3 0.3-0.8EUHEDRAL 8 P % EUHEDRAL OR GLOMEROPHYRIC* 9 G MAGN TR 0.1ROUNDED GRAINS 10 G GLASS 75 11 G % EXTREMELY ALTERED,REMNANT SPHERULITES COMPOSED OF 12 G % GREEN AND BROWN CLAYS* 13 A CLAY.MIN VESICLES GLASS 14 A % SMEC IN VESICLES,GREEN AND BROWN CLAYS REPLACE 15 A % GLASS* 16 V 0.2-0.5 10 SMEC SPHERICAL 17 59451 91CC 170 200 822.00 823.97 MTY U 16 1 S RT PLAG-CPX PHYRIC BASALT 2 S % CLAST FROM VOLCANICLASTIC BRECCIA; 3 S TEX PORPHYRITIC,INTERSERTAL,GRANULAR; 4 S WS CLAST FROM VOLCANICLASTIC CONGLOMERATE* 5 P PLAG 35 0.5-3SUBHEDRAL 6 P % COMPLEX TWINNING + ZONING,SOME GLOMEROPHYRIC* 7 G PLAG 20 0.1-0.2SUBHEDRAL-ANHEDRAL,EQUANT 8 G GRAINS 9 G CPX 15 0.1-0.2GRANULAR 10 G GLASS 25 11 G % ALTERED TO GREEN SMECTITE* 12 A SMEC VESICLES GLASS 13 A % GLASS ALTERED TO GREEN SMEC* 14 V 0.2-1 5 SMEC SPHERICAL- 15 V IRREGULAR 16 59451 92 1 150 180 831.50 831.67 MTY S 22 1 S RT PLAG-CPX-OPX PHYRIC BASALTIC ANDESITE 2 S % CLAST FROM VOLCANICLASTIC CONGLOMERATE 3 S TEX PORPHYRITIC,HYALOPILITIC; 4 S WS CLAST FROM VOLCANICLASTIC CONGLOMERATE* 5 P PLAG 35 0.5-7SUBHEDRAL 6 P % APPROX COMP AN50-60?,GLOMEROCRYSTS; 7 P CPX 5 0.2-0.8 8 P % GLOMEROCRYSTS; 9 P OPX 3 0.2-0.5 10 P % PARTLY PSEUDOMORPHED BY SMECTITES* 11 G PLAG 5 0.05-0.2SKELETAL MICROLITES-EUHEDRAL 12 G LATHS 13 G CPX 5 0.1-0.2GRANULAR,ANHEDRAL 14 G MAGN <1 15 G % IN CPX; 16 G GLASS 40 17 G % EXTENSIVELY ALTERED TO SMECTITE* 18 A CARB OPX 19 A % IDENTITY UNCERTAIN 20 A SMEC VESICLES GLASS,OPX 21 V 0.3-0.8 7 SMEC IRREGULAR 22 59451 102CC 190 210 926.50 926.70 ISH S 21 1 S RT OL-CPX-PLAG MODERATELY MICROPHYRIC BASALT 2 S % CLAST IN VOLCANICLASTIC CONGLOMERATE; 3 S TEX APHYRIC,HYALOPILITIC; 4 S WS CLAST IN VOLCANICLASTIC CONGLOMERATE* 5 P OL 4 0.4-0.5SUBHEDRAL 6 P % MICROPHENOS,PSEUDOMORPHS; 7 P PLAG 2 0.4-0.6EUHEDRAL 8 P % MICROPHENOS; 9 P CPX 3 0.3-0.7SUBHEDRAL 10 P % MICROPHENOS* 11 G OL 4 0.02-0.04ANHEDRAL 12 G % PSEUDOMORPHS; 13 G PLAG 15 0.03-0.3LATHS 14 G % APPROX COMP AN63; 15 G CPX 3 0.03-0.3SUBHEDRALS 16 G OP.MINS 10 0.01-0.02MICROLITES 17 G % INCLUDES MAGN + ILMENITE; 18 G GLASS 50 19 A CLAY.MIN 25VESICLES OL 20 V 0.5-3.0 10 CLAY.MIN ELONGATED 21