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 25 245 19 1 75.0 82.0 395.00 395.79 Erlank,A.J. 25 22 6 XRF WET IGNEOUS DOLERITE 50.74 14.41 3.64 6.78 7.21 11.12 3.30 0.041 1.27 0.182 0.098 0.768 1.18 0.189 100.93 H2O not partitioned. Essential oxides quoted to .01%. INITIAL REPORTS INITIAL REPORTSLOI = LOSS AT 1050 C