Kilauea ERZ Puu Oo gas sample Pele 7 from Gerlach (1993, GCA, 57, 795) < wtpc > SiO2 .5130D+02 TiO2 .2400D+01 Al2O3 .1390D+02 FeO .7700D+01 Fe2O3 .4100D+01 MnO .1800D+00 MgO .7000D+01 CaO .1050D+02 Na2O .2400D+01 K2O .4400D+00 Cr .3510D-01 Cu .1300D-01 Ni .1000D-01 Zn .1100D-01 Rb .1300D-02 CO .4400D-02