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 69 504 A 5 1 98.0 0.0 261.00 261.98 O'Hearn,T. 69 54 1 ELECTRON MICROPROBE IGNEOUS BASALTIC GLASS 51.10 14.22 10.81 7.46 12.42 2.07 0.02 1.14 0.11 99.35 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 69 504 A 6 1 47.0 0.0 265.00 265.47 Rhodes,M. 69 48 10 XRF FLAME PHOTOMETRY MODERATELY ALTERED IGNEOUS PLAG-OL-CPX SPARSELY MICROPHYRIC BASALT 51.3 15.0 10.48 7.70 12.22 2.1 0.06 1.08 0.18 0.10 100.20 0.618 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analysed. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTS 69 504 A 6 1 50.0 52.0 265.00 265.51 Hubberten,H.-W. 69 36, 52 11 XRF WET MODERATELY ALTERED IGNEOUS PLAG-OL-CPX SPARSELY MICROPHYRIC BASALT 50.4 14.5 3.33 7.08 8.04 12.6 2.27 0.01 1.02 0.19 0.08 0.59 0.13 .1221 100.24 .484 Analyses in table are on a volatile-free basis. Total water not directly determined. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTS 69 504 A 6 1 64.0 67.0 265.00 265.66 Etoubleau,J. 69 50 13 XRF ATOMIC ABSORPTION MODERATELY ALTERED IGNEOUS PLAG-OL-CPX SPARSELY PHYRIC BASALT 50.29 14.60 11.28 7.89 12.30 2.12 0.04 1.05 0.18 0.10 0.68 99.85 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. Shipboard analysis. INITIAL REPORTS INITIAL REPORTS 69 504 A 6 1 90.0 93.0 265.00 265.92 Marsh,N. 69 49 19 XRF MODERATELY ALTERED IGNEOUS PLAG-OL-CPX SPARSELY MICROPHYRIC BASALT 48.1 14.4 10.6 7.6 12.17 2.09 1.10 0.20 0.066 96.32 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analysed. INITIAL REPORTS INITIAL REPORTS 69 504 A 6 1 134.0 138.0 265.00 266.36 Hubberten,H.-W. 69 36, 52 25 XRF WET MODERATELY ALTERED IGNEOUS PLAG-OL-CPX SPARSELY MICROPHYRIC BASALT 50.4 14.6 3.24 7.19 7.84 12.5 2.20 0.01 1.02 0.18 0.08 0.63 0.08 .1197 99.97 .477 Analyses in table are on a volatile-free basis. Total water not directly determined. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTS 69 504 A 6 2 88.0 96.0 265.00 267.42 Hubberten,H.-W. 69 36, 52 40 XRF WET MODERATELY ALTERED IGNEOUS PLAG-OL-CPX SPARSELY MICROPHYRIC BASALT 49.8 15.0 4.12 6.09 7.91 12.6 2.27 0.17 1.02 0.18 0.08 0.80 0.10 .0229 100.14 .487 Analyses in table are on a volatile-free basis. Total water not directly determined. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTS 69 504 A 6 2 96.0 98.0 265.00 267.47 Etoubleau,J. 69 50 40 XRF ATOMIC ABSORPTION MODERATELY ALTERED IGNEOUS PLAG-OL-CPX SPARSELY PHYRIC BASALT 49.87 15.18 11.01 7.96 12.49 2.33 0.21 1.06 0.18 0.09 0.99 100.38 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. Shipboard analysis. INITIAL REPORTS INITIAL REPORTS 69 504 A 6 3 63.0 65.0 265.00 268.64 Etoubleau,J. 69 50 54 XRF ATOMIC ABSORPTION MODERATELY ALTERED IGNEOUS PLAG-OL-CPX SPARSELY PHYRIC BASALT 50.45 15.18 10.21 8.39 12.51 2.16 0.07 1.11 0.19 0.10 0.95 100.37 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. Shipboard analysis. INITIAL REPORTS INITIAL REPORTS 69 504 A 7 1 63.0 65.0 273.00 273.64 Marsh,N. 69 49 66 XRF MODERATELY ALTERED IGNEOUS APHYRIC BASALT 49.3 14.4 11.6 8.1 11.89 2.23 0.245 1.15 0.19 0.074 99.18 Analyses in table are on a volatile-free basis. Total water not directly determined. H2O not partitioned. Fe oxide partitions not specified or analysed. INITIAL REPORTS INITIAL REPORTS 69 504 A 7 1 75.0 77.0 273.00 273.76 Etoubleau,J. 69 50 67 XRF ATOMIC ABSORPTION MODERATELY ALTERED IGNEOUS PLAG-OL-CPX SPARSELY PHYRIC BASALT 49.56 14.98 11.20 8.29 12.18 2.16 0.16 1.09 0.18 0.13 1.05 99.93 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. Shipboard analysis. INITIAL REPORTS INITIAL REPORTS 69 504 A 7 2 48.0 52.0 273.00 275.00 Hubberten,H.-W. 69 36, 52 81 XRF WET MODERATELY ALTERED IGNEOUS PLAG-OL-CPX SPARSELY PHYRIC BASALT 50.0 14.9 3.45 5.65 8.60 12.5 2.60 0.05 1.07 0.18 0.08 0.93 0.13 .1224 100.14 .536 Analyses in table are on a volatile-free basis. Total water not directly determined. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTS 69 504 A 7 2 51.0 53.0 273.00 275.02 Etoubleau,J. 69 50 82 XRF ATOMIC ABSORPTION MODERATELY ALTERED IGNEOUS PLAG-OL-CPX SPARSELY PHYRIC BASALT 50.70 15.45 9.22 8.56 12.30 2.32 0.04 1.12 0.18 0.10 1.22 99.99 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. Shipboard analysis. INITIAL REPORTS INITIAL REPORTS