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 28 265 17 1 0.0 444.50 444.50 444.55 FORD, A. SEDIMENT (NANNO CHALK) CONTACT AT 5 CM, ACTUAL CONTACT OF CHALK AND BASALT NOT PRESERVED - BUT CHALK NOW IMMEDIATELY ABOVE THE BASALT SHOWS APPARENT EVIDENCE OF CONTACT METAMORPHISM, WHITE TO VERY LIGHT GREY (N9 -N8) 28 265 17 1 5.0 444.50 444.55 446.00 FORD, A. BASALT PCES 1 (5-16), 2 (17-26), 3 (26-31), 4 (31-36), 5 (36-41), 6 (42-45), 7 (46-49), 10 (61-64), 12 (69-73), 13 (73-76), 14 (76-85), 15 (84-92), 16 (92-96), 17 (96-99), 18 (99-102), 19 (102-106), 20 (106-109), 21 (109-116), 22 (119-124), 23 (124-128), 24 (129-132), 25 (138-142), 26 (142-146), 27 (146-150) NUMEROUS FRAGMENTS OF BASALT AND ONE OF A BASALTIC VOLCANIC CONGLOMERATE, PCES 1-5 AND PCES 6 + 7 + 10 + 15 ARE DENSE BASALT, PCE 12 AND PCES 16-17 ARE MOTTLED BASALT, PCE 18 - 27 ARE DENSE BASALT, SEE CODE V (VESICLES) FOR PIECE BY PIECE DESCRIPTIONS CONTACT AT 5 CM, NUMEROUS FRAGMENTS OF BASALT AND ONE OF A BASALTIC VOLCANIC CONGLOMERATE, SEE CORE FORM AND LITHOLOGIC DESCRIPTION IN THE INITIAL REPORTS FOR FURTHER INFORMATION comments : PCES 1-5 ARE DENSE BASALT WITH VERY FEW VESICLES, PCES 6-7 AND PCE 10 ARE DENSE VESICULAR BASALT, PCE 12 IS MOTTLED POORLY VESICULAR BASALT, PCES 13-14 ARE AMYGDALOIDAL BASALT, PCES 16-17 ARE MOTTLED VESICULAR BASALT, PCES 18-19 ARE FINELY AMYGDALOIDAL DENSE BASALT, PCES 20-21 ARE DENSE NON-VESICULAR BASALT, PCES 22-27 ARE DENSE VESICULAR AND AMYGDALOIDAL BASALT 28 265 17 1 48.0 444.50 444.98 445.19 FORD, A. BRECCIA PCES 8 (48-58), 9 (58-61), 11 (64-68) PCE 8 IS POSSIBLY AN INTERFLOW UNIT PCE 8 IS A BASALTIC CONGLOMERATE OR BRECCIA, PCE 9 IS A GLASS BRECCIA WITH A POSSIBLE ARGILLACEOUS MATRIX, PCE 11 IS A BASALTIC BRECCIA, SEE CORE FORM AND LITHOLOGIC DESCRIPTION IN THE INITIAL REPORTS FOR FURTHER INFORMATION 28 265 17 CC 0.0 444.50 446.10 446.10 FORD, A. BASALT HOLOCRYSTALLINE, AMYGDALOIDAL, PYROXENE BASALT WITH INTERGRANULAR TEXTURE, PLAG - NORMALLY ZONED PARTLY WEATHERED, SEE CORE FORM AND LITHOLOGIC DESCRIPTION IN THE INITIAL REPORTS FOR MORE INFORMATION CALCITE comments : VESICULAR AND AMYGDALOIDAL BASALT PYX comments : PYROXENE BASALT WITH INTERGRANULAR TEXTURE | PLAG comments : PLAG - NORMALLY ZONED CALCITE 28 265 18 1 90.0 452.50 453.40 454.00 FORD, A. BASALT PCES 1 (90-96), 2 (96-106), 3 (106-114), 4 (114-119), 5 (119-129), 6 (129-137), 7 (138-141), 8 (142-144), 9 (145-150) PCES 1-2 HAVE MOTTLED APPEARANCE comments : INTERVAL (90-150 CM) BASALT IS VESICULAR TO AMYGDALOIDAL, PCES 1-2 ARE VESICULAR - PARTLY AMYGDALOIDAL WITH MOTTLED APPEARANCE, PCES 3-4 ARE SAME AS ABOVE BUT VESICLE FREE, PCES 5-9 ARE VESICULAR TO AMYGDALOIDAL 28 265 18 2 0.0 452.50 454.00 455.50 FORD, A. BASALT PCES 1 (0-9), 2 (9-12), 3 (12-20), 4 (20-23), 5 (24-26), 6 (26-30), 7 (30-34), 8 (34-37), 9 (38-42), 10 (43-55), 11 (55-61), 12 (62-69), 13 (69-72), 14 (73-76), 15 (76-81), 16 (81-86), 17 (86-96), 18 (97-106), 19 (105-116), 20 (116-130), 21 (130-133), 22 (133-136), 23 (136-141), 24 (142-146), 25 (147-150) TEXTURE THROUGHOUT SEEMS FAIRLY EVEN GRAINED PROBABLY HOLOCRYSTALLINE AND APHYRIC, DENSE 1-5 comments : PARTLY VESICULAR + AMYGDALOIDAL AND DENSE, AMYGDULES GENERALLY ARE 1-5 MM RANGING UP TO ABOUT 1 CM 28 265 18 CC 0.0 452.50 455.60 455.60 FORD, A. BASALT DENSE, APHYRIC SEE CORE FORM AND LITHOLOGIC REPORT IN THE INITIAL REPORTS FOR ADDITIONAL INFORMATION comments : SLIGHTLY VESICULAR TO AMYGDALOIDAL BASALT