leg site hole core section top interval depth(cm) top of core depth(cm) top of section(m) sample midpoint depth(m) describer rock name piece numbers texture data structure data alteration data other information data vesicle data phenocryst data groundmass mineral data replacement mineral data comments unknown code 70 506 G 2 1 0.0 29.50 29.50 29.82 SCHRADER, E. L. APHYRIC BASALT PCE 1 (2-5), 3 (17-22), 4 (24-32) APHYRIC, PCE 1 IS MEDIUM-GRAINED, PCE 3 IS FINE- GRAINED, PCE 4 IS FINE-GRAINED TO HOLOXTALLINE, CHILLED MARGIN PRESENT IN PCE 4 FRESH IN PCE 1 DUST OF GREEN AND BLUE SECONDARY MINERAL (CLAY?) COATING UNCUT SURFACES, IN PCE 3 UNCUT SURFACES ARE COATED WITH DUST OF SECONDARY CLAY MINERAL CHILLED MARGIN APPEARS TO BE THE BOTTOM OF A COOLING UNIT (UNIT 1?) <0.5 comments : IN PCE 1 PINPOINT VESICLES EVENLY DISTRIBUTED AND EMPTY | CLAY comments : IN PCE 3 VESICLES ARE SCATTERED THROUGHOUT, VESICLES NEAR RIMS ARE FILLED WITH LIGHT BLUE CLAY-INTERIOR VESICLES ARE EMPTY | 0.5-1 CLAY comments : IN PCE 4 VESICLES ARE SCATTERED THROUGHOUT, VESICLES NEAREST QUENCHED MARGIN ARE FILLED WITH BLUE CLAY, INTERIOR VESICLES ARE MOSTLY CLEAN CLAY.MIN comments : BLUE 70 506 G 2 1 18.0 29.50 29.68 29.75 SCHRADER, E. L. OL-PLAG SPARSELY PHYRIC BASALT PCE 2 (18-25) VERY SPARSELY PHYRIC, MEDIUM-GRAINED FRESH COOLING UNIT 1 <0.5-1 comments : SCATTERED THROUGHOUT, VESICLES GRADE TO VUGS, 2 VESICLES CONTAIN VERY GLASSY SECONDARY MINERALS OR PRIMARY SILICATES CRYSTALLIZED WITHIN, REMAINING VESICLES CLEAN OL | PLAG SILICATE comments : CRYSTALLIZED IN VESICLES 70 506 G 2 1 36.0 29.50 29.86 30.11 SCHRADER, E. L. APHYRIC BASALT PCE 5 (36-44), 7 (55-61) APHYRIC, PCE 5 IS FINE-GRAINED, PCE 7 IS MEDIUM- GRAINED, ON PCE 7 1MM RIND ON ONE SIDE CRACK IN PCE 5-FRESH FRESH IN PCE 7 MINOR COATING OF SECONDARY CLAY ON ONE EXTERIOR SURFACE COOLING UNIT 2 (BART) 0.5-1 SILICATES comments : IN PCE 5 SCATTERED VESICLES ARE EMPTY EXCEPT FOR PRIMARY SILICATES, IN PCE 7 PINPOINT VESICLES ARE SCATTERED THROUGHOUT 70 506 G 2 1 47.0 29.50 29.97 30.20 SCHRADER, E. L. PLAG SPARSELY PHYRIC BASALT PCE 6 (47-52), 8 (63-70) VERY SPARSELY PHYRIC, PCE 6 IS FINE-GRAINED, PCE 7 IS VERY FINE-GRAINED comments: VERY THIN ALTERATION RIND IS PRESENT IN PCE 6, FAINT ALTERATION RIND IS PRESENT IN PCE 8 COOLING UNIT 2 CLAY comments : IN PCE 6 VESICLES NEAR RIM COATED WITH SECONDARY BLUE CLAY, IN PCE 8 SOME VESICLES IN RIND COATED BY SECONDARY CLAY MINERAL, SOME VESICLES ON EXPOSED SURFACES FILLED WITH BLUE CLAY CLAY.MIN comments : BLUE CLAY IN VESICLES 70 506 G 2 1 72.0 29.50 30.22 30.77 SCHRADER, E. L. PLAG SPARSELY PHYRIC BASALT PCE 9 (72-80), 11 (93-98), 13 (106-111), 15 (120-126) VERY SPARSELY PHYRIC, PCES 9+11 ARE VERY FINE- GRAINED, PCE 13 IS FINE-GRAINED, PCE 15 IS MEDIUM- GRAINED FRESH PCE 9 IS FRESH, UNCUT SURFACE PARTLY COATED WITH SECONDARY BLUE CLAY MINERAL COOLING UNIT 3? 0.5 comments : ONE 0.5MM VESICLE IN PCE 9 | <0.1 CLAY comments : MANY LITTLE VESICLES PARTLY COATED ON THE INSIDE WITH BLUE-GREEN CLAY | 0.5 comments : PCE 11 IS VESICULAR AND EMPTY | CLAY comments : IN PCE 17 VESICLES PARTLY COATED WITH BLUE CLAYS AND COATED OR FILLED WITH BROWNISH RED MATERIALS, PCE 15 IS VESICULAR-VESICLES ARE ALMOST EMPTY, TWO VESICLES ARE FILLED WITH GLASSY MINERALS PLAG CLAY.MIN comments : BLUE CLAY FILLING VESICLES 70 506 G 2 1 82.0 29.50 30.32 30.67 SCHRADER, E. L. APHYRIC BASALT PCE 10 (82-90), 12 (100-103), 14 (113-117) APHYRIC, PCE 10 IS VERY FINE-GRAINED, PCE 12 IS FINE-GRAINED, PCE 14 IS MEDIUM-GRAINED FRESH PCE 14 IS FRESH, ALTERATION RIM IN PCE 10 COOLING UNIT 3 0.2 CALCITE,CLAY comments : IN PCE 10 ONE VESICLE FILLED WITH CALCITE, PIN POINT VESICLES DISTRIBUTED-EMPTY IN FRESH PART, VESICLES IN ALTERATION RIM PARTLY FILLED WITH BLUE CLAY | CLAY comments : PCE 12 IS VESICULAR, COATED WITH LIGHT BLUE TO DARK GREEN CLAYS AND BROWNISH RED MATERIAL, IN PCE 14 PINPOINT VESICLES EMPTY CALCITE | CLAY.MIN