leg site hole core section top interval depth(cm) bottom interval depth(cm) top of core depth(m) sample midpoint depth(m) analyst volume chapters piece number analytical methods alteration rock type rock name SiO2 Al2O3 Fe2O3 FeO(total) Fe2O3(total) FeO MgO CaO Na2O K2O TiO2 MnO P2O5 LOI H20+ H2O- CO2 SO3 S total magnesium number analytical info. data source comments 63 469 40 1 30.0 32.0 368.50 368.81 Grechin,V. 63 27 1A WET FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS APHYRIC DOLERITE 50.56 15.83 5.22 2.82 7.47 5.82 3.38 3.15 1.23 0.21 0.11 1.04 1.88 1.05 99.77 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 40 2 12.0 18.0 368.50 370.15 Minami,H. 63 25, 26 1B ELECTRON MICROPROBE WET MODERATELY ALTERED IGNEOUS APHYRIC DOLERITE 51.27 15.68 7.38 3.54 4.19 6.87 8.18 3.73 0.64 1.31 0.11 1.97 2.26 99.75 Analyses in table are on a volatile-free basis. Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 41 1 7.0 10.0 371.50 371.59 Grechin,V. 63 27 1A WET FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS APHYRIC DOLERITE 51.79 16.31 4.78 3.86 6.91 8.05 3.72 0.55 1.26 0.10 1.14 1.06 1.79 100.32 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 41 3 98.0 103.0 371.50 375.51 Minami,H. 63 25, 26 1D ELECTRON MICROPROBE WET MODERATELY ALTERED IGNEOUS APHYRIC DOLERITE 52.44 15.06 7.71 3.29 4.75 6.95 8.04 3.68 0.35 1.41 0.11 1.74 2.15 99.97 Analyses in table are on a volatile-free basis. Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 42 1 117.0 120.0 378.00 379.19 Grechin,V. 63 27 1D WET FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS APHYRIC DOLERITE 52.75 16.22 5.85 2.68 6.67 8.60 3.89 0.36 1.31 0.12 0.18 0.47 0.98 100.08 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 42 5 70.0 75.0 378.00 384.73 Minami,H. 63 25, 26 1B ELECTRON MICROPROBE WET MODERATELY ALTERED IGNEOUS APHYRIC DOLERITE 51.54 15.15 7.73 3.74 4.36 6.90 7.11 3.43 0.67 1.30 0.10 2.12 2.84 99.26 Analyses in table are on a volatile-free basis. Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 42 5 115.0 120.0 378.00 385.18 Grechin,V. 63 27 1C WET FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS APHYRIC DOLERITE 50.88 16.36 5.12 4.56 7.31 6.88 3.72 1.05 1.20 0.12 0.17 1.24 1.60 100.21 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 42 6 27.0 32.0 378.00 385.80 Minami,H. 63 25, 26 1 ELECTRON MICROPROBE WET MODERATELY ALTERED IGNEOUS APHYRIC DOLERITE 49.35 16.51 10.37 4.97 5.90 5.83 4.68 3.02 1.68 1.38 0.16 3.47 2.59 99.54 Analyses in table are on a volatile-free basis. Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 44 1 3.0 8.0 396.00 396.06 Grechin,V. 63 27 1B WET FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS APHYRIC BASALT 46.86 13.91 9.11 4.67 7.34 9.75 2.87 0.37 1.88 0.21 0.18 0.54 1.75 1.10 100.54 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 44 2 110.0 113.0 396.00 398.62 Grechin,V. 63 27 8E WET FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS APHYRIC BASALT 47.32 14.01 8.91 5.22 7.45 9.64 2.54 0.55 1.79 0.20 0.18 0.80 1.46 100.07 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 45 1 3.0 9.0 405.00 405.06 Grechin,V. 63 27 1A WET FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS APHYRIC BASALT 48.12 14.26 10.71 3.51 6.50 8.94 2.87 0.55 1.99 0.17 0.09 0.85 1.75 100.31 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 45 2 11.0 17.0 405.00 406.64 Grechin,V. 63 27 1A WET FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS APHYRIC BASALT 48.83 14.75 6.75 4.18 7.43 10.21 2.70 0.37 1.99 0.22 0.14 0.68 1.57 99.82 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 45 2 24.0 29.0 405.00 406.77 Minami,H. 63 25, 26 1D ELECTRON MICROPROBE WET MODERATELY ALTERED IGNEOUS APHYRIC BASALT 47.68 14.04 11.20 5.90 5.89 6.65 10.16 2.61 0.57 2.06 0.28 1.65 2.05 99.54 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O loss on ignition. Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 46 1 134.0 138.0 410.00 411.36 Grechin,V. 63 27 11 WET FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS APHYRIC BASALT 47.09 14.67 12.67 3.16 5.68 6.71 3.20 0.96 2.19 0.14 0.26 1.43 2.19 100.37 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 47 1 63.0 69.0 414.00 414.66 Minami,H. 63 25, 26 4A ELECTRON MICROPROBE WET MODERATELY ALTERED IGNEOUS APHYRIC BASALT 47.02 13.97 11.72 5.98 6.34 6.23 9.04 2.96 0.43 2.28 0.18 2.51 2.73 99.67 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O loss on ignition. Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 47 3 86.0 92.0 414.00 417.89 Grechin,V. 63 27 4 WET FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS APHYRIC BASALT 47.74 13.52 9.99 5.05 6.47 9.47 2.70 0.49 2.10 0.22 0.14 0.74 1.36 99.99 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 48 1 22.0 28.0 423.00 423.25 Grechin,V. 63 27 1D WET FLAME PHOTOMETRY EXTENSIVELY ALTERED IGNEOUS HYALOCLASTITE 46.10 9.24 9.58 3.58 13.84 1.16 2.20 0.61 1.88 0.03 0.03 4.22 7.49 99.96 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTSGLASSY BASALTIC BRECCIA ALTERED TO GREEN CLAY 63 469 48 1 43.0 48.0 423.00 423.46 Minami,H. 63 25, 26 4 ELECTRON MICROPROBE EXTENSIVELY ALTERED IGNEOUS HYALOCLASTITE 49.78 13.45 11.88 6.88 11.26 2.70 0.10 1.94 0.26 98.25 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01%. Fe oxide partitions not specified or analysed. INITIAL REPORTS INITIAL REPORTSSTILL CONTAINS SOME FRAGS OF UNALTERED BASALTIC GLASS 63 469 48 1 49.0 53.0 423.00 423.51 Grechin,V. 63 27 5A WET FLAME PHOTOMETRY EXTENSIVELY ALTERED IGNEOUS HYALOCLASTITE 44.60 13.06 9.99 3.17 9.20 1.31 2.37 0.87 1.66 0.07 0.08 4.13 9.24 99.75 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTSGLASSY BASALTIC BRECCIA ALTERED TO GREEN CLAY 63 469 48 1 54.0 61.0 423.00 423.58 Minami,H. 63 25, 26 5B ELECTRON MICROPROBE EXTENSIVELY ALTERED IGNEOUS HYALOCLASTITE 49.70 13.49 11.88 6.86 11.31 2.71 0.11 2.00 0.26 98.32 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01%. Fe oxide partitions not specified or analysed. INITIAL REPORTS INITIAL REPORTSSTILL CONTAINS SOME FRAGS OF UNALTERED BASALTIC GLASS 63 469 48 1 98.0 100.0 423.00 423.99 Minami,H. 63 25, 26 8 ELECTRON MICROPROBE EXTENSIVELY ALTERED IGNEOUS HYALOCLASTITE 50.28 13.19 11.55 7.13 11.59 2.53 0.09 1.81 0.19 98.36 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01%. Fe oxide partitions not specified or analysed. INITIAL REPORTS INITIAL REPORTSSTILL CONTAINS SOME FRAGS OF UNALTERED BASALTIC GLASS 63 469 48 1 100.0 105.0 423.00 424.03 PalVerma,S. 63 28 8 ISOTOPE DILUTION FRESH IGNEOUS BASALTIC GLASS 0.607 Essential oxides quoted to .01%. INITIAL REPORTS Partial analysis. INITIAL REPORTS 63 469 48 1 102.0 107.0 423.00 424.05 Minami,H. 63 25, 26 8 ELECTRON MICROPROBE EXTENSIVELY ALTERED IGNEOUS HYALOCLASTITE 50.30 14.04 11.52 7.48 11.62 2.66 0.10 1.78 0.26 99.76 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01%. Fe oxide partitions not specified or analysed. INITIAL REPORTS INITIAL REPORTSSTILL CONTAINS SOME FRAGS OF UNALTERED BASALTIC GLASS 63 469 49 1 84.0 88.0 432.00 432.86 Grechin,V. 63 27 8B WET FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS APHYRIC BASALT 48.34 15.61 7.63 4.03 7.53 9.20 3.04 0.37 1.92 0.20 0.16 0.29 1.72 100.04 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTSGLASSY MARGIN PRESENT 63 469 49 2 16.0 20.0 432.00 433.68 Minami,H. 63 25, 26 1 ELECTRON MICROPROBE MODERATELY ALTERED IGNEOUS HYALOCLASTITE 50.10 13.33 11.85 7.17 11.24 2.71 0.11 2.01 0.25 98.77 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01%. Fe oxide partitions not specified or analysed. INITIAL REPORTS INITIAL REPORTS 63 469 50 1 57.0 61.0 441.00 441.59 Minami,H. 63 25, 26 5 ELECTRON MICROPROBE MODERATELY ALTERED IGNEOUS APHYRIC BASALT 50.74 13.75 11.69 6.42 11.97 2.10 0.10 1.88 0.26 98.91 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01%. Fe oxide partitions not specified or analysed. INITIAL REPORTS INITIAL REPORTSGLASS ANALYSIS 63 469 50 1 89.0 91.0 441.00 441.90 Minami,H. 63 25, 26 7 ELECTRON MICROPROBE MODERATELY ALTERED IGNEOUS HYALOCLASTITE 50.81 13.58 11.98 7.71 11.05 2.81 0.10 1.96 0.20 100.20 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01%. Fe oxide partitions not specified or analysed. INITIAL REPORTS INITIAL REPORTSCONTAINS SOME FRESH FRAGS OF BASALT AND BASALTIC GLASS 63 469 50 1 113.0 117.0 441.00 442.15 Minami,H. 63 25, 26 8 ELECTRON MICROPROBE MODERATELY ALTERED IGNEOUS HYALOCLASTITE 50.14 13.55 11.97 7.26 11.36 2.87 0.12 1.96 0.22 99.45 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01%. Fe oxide partitions not specified or analysed. INITIAL REPORTS INITIAL REPORTSCONTAINS SOME FRESH FRAGS OF BASALT AND BASALTIC GLASS 63 469 50 1 120.0 125.0 441.00 442.23 PalVerma,S. 63 28 8 ISOTOPE DILUTION FRESH IGNEOUS BASALTIC GLASS 0.190 Essential oxides quoted to .01%. INITIAL REPORTS Partial analysis. INITIAL REPORTS 63 469 50 2 15.0 17.0 441.00 442.66 PalVerma,S. 63 28 2 ISOTOPE DILUTION IGNEOUS BASALTIC GLASS 0.116 Essential oxides quoted to .01%. INITIAL REPORTS Partial analysis. INITIAL REPORTSGLASSY MARGIN 63 469 50 2 20.0 22.0 441.00 442.71 Minami,H. 63 25, 26 2 ELECTRON MICROPROBE MODERATELY ALTERED IGNEOUS APHYRIC BASALT 50.74 12.91 11.66 7.09 11.20 2.85 0.12 1.95 0.21 98.73 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Essential oxides quoted to .01%. Fe oxide partitions not specified or analysed. INITIAL REPORTS INITIAL REPORTSGLASSY MARGINS PRESENT,GLASS ANALYSIS 63 469 50 2 27.0 32.0 441.00 442.80 Grechin,V. 63 27 3A WET FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS APHYRIC BASALT 47.26 13.61 6.37 7.18 7.96 9.45 2.34 0.41 1.77 0.21 0.16 1.00 2.29 100.01 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTS 63 469 51 1 34.0 40.0 450.00 450.37 Grechin,V. 63 27 3 WET FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS APHYRIC BASALT 47.53 12.91 7.86 4.49 10.67 4.79 3.15 0.54 1.42 0.16 0.18 1.59 4.41 99.60 Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTSBASALTIC BRECCIA