Nd, Sr, and O isotopic variations in metaluminous ash-flow tuffs and related volcanic rocks at the Timber Mountain/Oasis Valley Caldera, Complex, SW Nevada: implications for the origin and evolution of large-volume silicic magma bodies - Farmer, G.; Broxton, D.E.; Warren, R.G.; Pickthorn, W. (Contributions to Mineralogy and Petrology, 1991)