69504A 6 1 510 530 265.00 265.52 PV I PCE 11 18 1 S RT PLAG-CPX-OL MOD MICROPHYRIC BASALT; 2 S TEX MOD MICROPHYRIC,OPHITIC; 3 S WS FLOW INTERIOR* 4 P OL 1 TO .5EUHEDRAL 5 P PLAG 4 .5-1.5EUHEDRAL,SUBHEDRAL,LATHS, 6 P GLOMEROCRYSTS 7 P % CORE APPROX COMP AN73, RIM APPROX COMP AN67; 8 P CPX 2 .5-1SUBHEDRAL GLOMEROCRYSTS 9 G OL 5 .1-.3ANHEDRAL 10 G PLAG 38 .1-.7MICROLITES 11 G CPX 45 .1-.5RADIATED AGGREGATES+GRAINS 12 G MAGN 5 .1-.3SUBHEDRAL,SKELETAL 13 A CARB <.5VEINS,OL OL 14 A PSEUDOMORPHS 15 A CLAY.MIN 6VEINS OL 16 A % OLIVE BROWN DARK SMECTITE* 17 V TO .2 1 SMECTITE ROUND 18 69504A 6 1 570 590 265.00 265.58 PV I PCE 12 13 1 S RT PLAG-OL-CPX MOD MICROPHYRIC BASALT; 2 S TEX MOD MICROPHYRIC,OPHITIC; 3 S WS FLOW INTERIOR* 4 P OL 1 .2-.5EUHEDRAL 5 P PLAG 4 .5-2EUHEDRAL,SUBHEDRAL 6 P CPX 1 .5-1SUBHEDRAL,ANHEDRAL 7 G OL 4 .1-.2SUBHEDRAL,ANHEDRAL 8 G PLAG 40 .1-.7MICROLITES 9 G CPX 45 .1-.5RADIATED AGGREGATES+GRAINS 10 G MAGN 5 .1-.3SUBHEDRAL,SKELETAL 11 A CLAY.MIN 5 OL 12 A % OLIVE BROWN SMECTITE* 13 69504A 6 2 940 960 265.00 267.45 PV I PCE 40 14 1 S RT PLAG-CPX-OL MICROPHYRIC BASALT; 2 S TEX MICROPHYRIC,OPHITIC; 3 S WS FLOW INTERIOR* 4 P OL 1 .2-.5EUHEDRAL 5 P PLAG 15 .3-2EUHEDRAL,SUBHEDRAL 6 P CPX 5 .3-1SUBHEDRAL,ANHEDRAL 7 G OL 5 .05-.15ANHEDRAL 8 G PLAG 25 .05-.5MICROLITES 9 G CPX 43 .05-.3RADIATED AGGREGATES 10 G MAGN 5 .05-.1ANHEDRAL 11 A CLAY.MIN 7VESICLES OL 12 A % OLIVE BROWN SMECTITE* 13 V TO 2 1 SMECTITE ROUND 14 69504A 6 3 130 170 265.00 268.15 ADA I PCE 48 38 1 S RT PLAG-OL-CPX MOD PHYRIC BASALT; 2 S TEX MOD PHYRIC,HOLOXTLLINE,SUBOPHITIC,VARIOLITIC 3 S % SUBOPHITIC TEXTURE BETWEEN CPX AND PLAG; 4 S WS FLOW INTERIOR* 5 P OL .3-1EUHEDRAL,SUBHEDRAL 6 P % PSEUDOMORPHS; 7 P PLAG .3-1EUHEDRAL,SUBHEDRAL 8 P PLAG 1-3SUBHEDRAL 9 P % GLOMEROCRYSTS(1-3MM)NOT COMMON(3 ON SLIDE),WITH 10 P % AN68 COMPOSITION; 11 P CPX .3-1ANHEDRAL 12 G OL 1-5 .1-.3EUHEDRAL,SUBHEDRAL 13 G % PERCENT IS FOR TOTAL OL; 14 G PLAG 20-40 .1-.3EUHEDRAL,SUBHEDRAL 15 G % PERCENT IS FOR TOTAL PLAG IN SECTION,APPROX COMP 16 G % AN60-80,OFTEN ZONED(CORES AN78,RIMS AN65),MORE 17 G % SODIC ON EXTERIORS,INTERIOR HAS ROUNDED EDGES; 18 G CPX .1-.3ANHEDRAL 19 G CPX 5-10 .03-.1ANHEDRAL 20 G % PERCENT IS FOR TOTAL CPX; 21 G SPHR.MES20-40 22 G % MAY BE CPX(YELLOW INTERFERENCE COLORS IN SOME 23 G % AREAS AROUND EDGES); 24 G TITAN.MT 1-5 .01-.03SUBHEDRAL 25 G % ASSOCIATED WITH THE MESOSTASIS* 26 A GOETHITE VESICLES+ 27 A CRACKS 28 A % ID UNCERTAIN FOR GOETHITE; 29 A SMECTITE VESICLES+ OL 30 A CRACKS 31 A % SEVERAL IRREGULAR PATCHES OF SMECTITE SHOW STRONG 32 A % IRON STAINING IN THEIR CORES-CHANGING FROM DARK 33 A % GREEN TO YELLOW TO ORANGE AND THEN RUST FROM 34 A % WEATHERED BASALT INTO THE CORE-MAY BE PATHS FOR 35 A % HYDROTHERMAL ALTERATION,SIMILAR ZONING IN SMALL 36 A % VEINS,OR REVERSED* 37 V .1-.3 .5-1 SMECTITE ROUND 38 69504A 6 3 610 620 265.00 268.62 PV I PCE 54 28 1 S RT PLAG-OL-CPX MOD PHYRIC BASALT 2 S % THERE IS OXIDATION ZONALITY(ALONG A CRACK)- THE 3 S % CRACK IS FILLED WITH BRIGHT RED-BROWN CLAY MINERAL 4 S % CONTAMINATED IRON OXIDES, NEXT ZONE CONTAINS 5 S % ALMOST BLACK(VERY DARK GREEN)CLAY FILLINGS OF 6 S % VESICLES AND OL PSEUDOMORPHS, THE LAST PART OF THE 7 S % ROCK IN THE SECTION CONTAINS USUAL OLIVE GREEN 8 S % FILLINGS OF VESICLES AND OL PSEUDOMORPHS; 9 S TEX MOD PHYRIC,VARIOLITIC; 10 S WS FLOW INTERIOR* 11 P OL .3-1EUHEDRAL,SUBHEDRAL,ANHEDRAL 12 P PLAG 1-3EUHEDRAL,SUBHEDRAL 13 P PLAG .3-1EUHEDRAL,SUBHEDRAL 14 P CPX .3-1ANHEDRAL 15 G OL .1-.3EUHEDRAL,SUBHEDRAL,ANHEDRAL 16 G OL 1-5 .03-.1EUHEDRAL,SUBHEDRAL,ANHEDRAL 17 G % PERCENT IS FOR TOTAL OL IN SECTION; 18 G PLAG .1-.3EUHEDRAL,SUBHEDRAL 19 G PLAG 20-40 .03-.1EUHEDRAL,SUBHEDRAL 20 G % PERCENT IS FOR TOTAL PLAG IN SECTION; 21 G CPX .1-.3ANHEDRAL 22 G CPX 5-10 .03-.1ANHEDRAL 23 G % PERCENT IS FOR TOTAL CPX IN SECTION; 24 G SPHR.MES20-40 25 G TITAN.MT 1-5 26 A SMECTITE VESICLES OL 27 V .5-1 SMECTITE ROUND 28 69504A 7 1 750 770 273.00 273.76 PV I PCE 67 19 1 S RT PLAG-CPX MOD PHYRIC BASALT; 2 S TEX MOD PHYRIC,OPHITIC,VARIOLITIC; 3 S WS FLOW INTERIOR* 4 P PLAG 1-3EUHEDRAL,SUBHEDRAL 5 P PLAG .3-1EUHEDRAL,SUBHEDRAL 6 P CPX .3-1SUBHEDRAL,ANHEDRAL 7 G OL .1-.3SUBHEDRAL,ANHEDRAL 8 G % PERCENT IS FOR TOTAL OL; 9 G OL 1-5 .03-.1SUBHEDRAL,ANHEDRAL 10 G PLAG 20-40 .1-.3EUHEDRAL,SUBHEDRAL 11 G % PERCENT IS FOR TOTAL PLAG IN SECTION; 12 G CPX 20-40 .1-.3SUBHEDRAL,ANHEDRAL 13 G % PERCENT IS FOR TOTAL CPX IN SECTION; 14 G SPHR.MES10-20 15 G TITAN.MT .1-.3 16 G TITAN.MT 1-5 .03-.1 17 G % PERCENT IS FOR TOTAL TITANO-MAGN* 18 A SMECTITE OL 19 69504A 7 114101450 273.00 274.43 PV I PCE 76 15 1 S RT PLAG-OL-CPX SPARSELY PHYRIC BASALT; 2 S TEX PHYRIC,VARIOLITIC; 3 S WS PILLOW RIM* 4 P OL 1-5 1-3EUHEDRAL 5 P PLAG 1-3EUHEDRAL 6 P PLAG 5-10 .3-1EUHEDRAL 7 P % PERCENT IS FOR TOTAL PLAG; 8 P CPX 1-3SUBHEDRAL 9 P CPX 1-5 .3-1SUBHEDRAL 10 P % PERCENT IS FOR TOTAL CPX* 11 G SPHR.MES 80 12 A SMECTITE VESICLES OL 13 A % LIGHT OLIVE BROWN* 14 V .3-1 1-5 SMECTITE ROUND 15 69504A 7 2 280 300 273.00 274.79 PV I PCE 79 21 1 S RT PLAG-OL-CPX PHYRIC BASALT; 2 S TEX PHYRIC; 3 S WS PILLOW INTERIOR* 4 P OL 1-3EUHEDRAL 5 P OL 1-5 .3-1EUHEDRAL 6 P % PERCENT IS FOR TOTAL OL; 7 P PLAG 3-10EUHEDRAL,SUBHEDRAL 8 P PLAG 1-3EUHEDRAL,SUBHEDRAL 9 P PLAG 10-20 .3-1EUHEDRAL,SUBHEDRAL 10 P % PERCENT IS FOR TOTAL PLAG; 11 P CPX 1-3ANHEDRAL 12 P CPX 1-5 .3-1ANHEDRAL 13 P % PERCENT IS FOR TOTAL CPX* 14 G SPHR.MES 60 15 G TITAN.MT 1-5 .1-.3 16 A CELAD VESICLES OL 17 A % GREEN* 18 V 1-3 CELADONITE ROUND 19 V .3-1 1-5 CELADONITE ROUND 20 V % PERCENT IS FOR TOTAL VESICLES* 21