ArticleCollins, Lorence G.A common perception among petrologists has persisted that microcline is always derived from orthoclase (a high-temperature mineral), and, therefore, all microcline-bearing granites of large dimension have crystallized from a magma. This perception is . . .
Masters ThesisExperimental determination of pre-eruptive storage conditions and continuous decompression of rhyodacite magma erupted from Chaos Crags, Lassen Volcanic Center, CaliforniaQuinn, Erin ToddA series of hydrothermal (high-temperature and -pressure) phase equilibrium experiments were performed on a natural rhyodacite pumice from the 1,050 calibrated years B.P. pyroclastic flow from the Chaos Crags, Lassen Volcanic Center, California. The p . . .