The American Journal of Science, Band 281,Ausgaben 1-6

actinolite albite ammonium amphibole amphibolite analyses anorthite aqueous assemblage basalt beds belt biotite boundary buffer calculated Cambrian clasts clinopyroxene CO₂ coefficients coexisting complex composition cordierite cores correlation curve deposits depth Devonian diagram diamictite East Taiwan Ophiolite epidote epidote solid solutions equation equilibrium experimental facies series fault fauna figure fluid flux fossils fracture fugacity garnet Geology geothermal glacial glaucophane grade grains H₂O heat flow Helgeson hornblende indicate isograd Jour Late Precambrian Lichi Lichi mélange lower mafic mafic schist magma metamorphism mudstone nappe occur Ojo Alamo olistostromes ophiolite Ordovician pelitic percent Petrology phase relations phenocrysts plagioclase pluton polarity Precambrian quartz Random Formation reaction region rhyolite rocks samples San Juan Basin sandstone schist sedimentary sediments sequence shale siltstone South sphene stratigraphic sulfate Takangkou tectonic temperature thermal thermodynamic tion U.S. Geol unit values volcanic zone