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 73 519 A 7 1 60.0 77.0 153.00 153.68 Dietrich,V. 73 21 8 XRF WET EXTENSIVELY ALTERED IGNEOUS APHYRIC TO PLAG SPARSELY MICROPHYRIC BASALT 49.86 15.55 1.76 7.25 7.97 12.20 2.26 0.08 1.28 0.16 0.12 0.95 0.04 0.0757 99.48 0.634 Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTSTOTAL DOES NOT INCLUDE SULFUR 73 519 A 7 2 20.0 28.0 153.00 154.74 Dietrich,V. 73 21 2 XRF WET MODERATELY ALTERED IGNEOUS PLAG MICROPHYRIC BASALT 49.87 15.41 1.13 7.35 7.91 12.08 2.21 0.04 1.27 0.14 0.11 1.46 0.14 0.1814 99.12 0.645 Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTSTOTAL DOES NOT INCLUDE S 73 519 A 7 2 46.0 58.0 153.00 155.02 Dietrich,V. 73 21 4 XRF WET MODERATELY ALTERED IGNEOUS PLAG MICROPHYRIC BASALT 49.82 14.97 2.71 6.25 8.32 12.27 2.21 0.04 1.28 0.15 0.11 0.88 0.13 0.1801 99.14 0.648 Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTSTOTAL DOES NOT INCLUDE S 73 519 A 8 1 36.0 46.0 160.50 160.91 Dietrich,V. 73 21 1B XRF WET SLIGHTLY ALTERED IGNEOUS PLAG PHYRIC BASALT 49.83 15.26 2.39 6.60 8.45 11.82 2.32 0.05 1.28 0.14 0.12 1.18 0.04 0.1425 99.48 0.650 Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTSTOTAL DOES NOT INCLUDE S 73 519 A 8 3 87.0 95.0 160.50 164.41 Dietrich,V. 73 21 2D XRF WET FRESH IGNEOUS APHYRIC BASALT 49.46 15.67 2.44 6.15 8.91 12.27 1.97 0.05 1.10 0.15 0.10 0.63 0.14 0.2304 99.04 0.673 Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTSTOTAL DOES NOT INCLUDE S 73 519 A 8 4 20.0 30.0 160.50 165.25 Dietrich,V. 73 21 1D XRF WET MODERATELY ALTERED IGNEOUS APHYRIC BASALT 49.21 15.61 2.96 5.45 8.51 11.92 2.23 0.12 1.09 0.14 0.11 1.98 0.09 0.0033 99.42 0.669 Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTSTOTAL DOES NOT INCLUDE S 73 519 A 8 4 70.0 80.0 160.50 165.75 Dietrich,V. 73 21 3B XRF WET MODERATELY ALTERED IGNEOUS APHYRIC BASALT 49.77 15.61 2.97 5.80 8.40 12.61 2.02 0.10 1.13 0.15 0.10 0.60 0.15 0.0788 99.41 0.656 Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTSTOTAL DOES NOT INCLUDE S 73 519 A 8 4 107.0 117.0 160.50 166.12 Dietrich,V. 73 21 7A XRF WET EXTENSIVELY ALTERED IGNEOUS APHYRIC BASALT 49.37 15.64 4.21 4.55 8.04 12.61 2.16 0.14 1.14 0.14 0.10 1.17 0.21 0.0195 99.48 0.650 Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTSTOTAL DOES NOT INCLUDE S 73 519 A 9 2 96.0 113.0 171.50 174.05 Dietrich,V. 73 21 1H XRF WET SLIGHTLY ALTERED IGNEOUS APHYRIC BASALT 49.56 15.48 3.90 4.80 7.89 12.09 2.28 0.08 1.20 0.15 0.11 1.65 0.37 0.0028 99.56 0.646 Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTSTOTAL DOES NOT INCLUDE S 73 519 A 9 3 75.0 84.0 171.50 175.30 Dietrich,V. 73 21 2C XRF WET SLIGHTLY ALTERED IGNEOUS APHYRIC BASALT 49.53 15.45 4.04 4.65 7.79 12.23 2.30 0.11 1.22 0.15 0.11 1.46 0.17 -.0020 99.21 0.644 Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTSTOTAL DOES NOT INCLUDE S 73 519 A 9 4 77.0 80.0 171.50 176.79 Dietrich,V. 73 21 3G XRF WET FRESH IGNEOUS APHYRIC BASALT 50.01 15.47 2.16 6.60 8.49 12.22 2.17 0.04 1.23 0.14 0.11 0.94 0.08 0.1743 99.66 0.657 Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTSTOTAL DOES NOT INCLUDE S 73 519 A 9 5 71.0 77.0 171.50 178.24 Dietrich,V. 73 21 8 XRF WET SLIGHTLY ALTERED IGNEOUS APHYRIC BASALT 48.91 16.53 4.76 3.85 7.40 12.10 2.39 0.13 1.09 0.12 0.10 1.80 0.24 0.0084 99.42 0.637 Total water not directly determined. Essential oxides quoted to .01%. INITIAL REPORTS Magnesium number is atomic ration Mg/(Mg+Fe++).Analyst either measured or calculated Fe++. INITIAL REPORTSTOTAL DOES NOT INCLUDE S