andesite amphibole 0.333 Philpotts & Schnetzer 1970 andesite olivine 0.0094 Higuchi & Nagasawa 1969 andesite olivine 0.016 0.019 Lindstrom 1983 basalt amphibole 2.95 Higuchi & Nagasawa 1969 basalt low calcium pyroxene 0.0295 0.1268 Colson et al. 1988 basalt plagioclase 1.11 Higuchi & Nagasawa 1969 basalt-andesite olivine 0.025 Klock & Palme 1988 basalt-andesite olivine 0.034 0.035 Dunn 1987 basalt-andesite olivine 0.0192 0.0375 Beattie 1994 basalt-andesite plagioclase 1.1 2.46 Drake & Weill 1975 basalt-andesite-dacite low calcium pyroxene 0.64 4.13 Okamoto 1979 basalt-andesite-dacite magnetite 0.18 Sisson 1991 basalt-andesite-dacite olivine 0.02 0.036 Leeman & Scheidegger 1977 basalt-andesite-dacite plagioclase 2.88 Okamoto 1979 basalt-andesite-rhyolite olivine 0.0141 0.0597 Colson et al. 1988 chondrite chondrule clinopyroxene 1.9 3.5 Jones & Layne 1997 chondrite chondrule clinopyroxene-enstatite 0.025 0.055 Jones & Layne 1997 chondrite chondrule low calcium pyroxene 0.073 0.11 Jones & Layne 1997 chondrite chondrule olivine 0.022 0.033 Kennedy et al. 1993 chondrite chondrule pigeonite 1 Jones & Layne 1997 dacite biotite 0.615 Higuchi & Nagasawa 1969 dacite plagioclase 3.85 4.25 Nagasawa & Schnetzler 1971 dacite pumisch plagioclase 1.8 4.9 Dudas et al. 1971 daciteite low calcium pyroxene 0.55 1.04 Nagasawa & Schnetzler 1971 high silica rhyolite k-feldspar 0.06 0.92 Stix & Gorton 1990 komatiite garnet 0.47 Ohtani et al. 1989 komatiite garnet 0.35 0.55 Yurimoto & Ohtati 1992 rhyolite plagioclase 0.21 6.58 Icenhower & London 1996 rhyolite-dacite k-feldspar 0.13 0.25 Stix & Gorton 1990 synthetic low calcium pyroxene 0.13 0.15 Colson & Gust 1989