This webpage, developed by a student as part of a "Tectonics of the Western U.S." course at the University of Colorado, is a useful summary of past and current ideas about the origin of the Sierra Nevada batholith in California. The page contains informative text, color graphics, supplementary explanations of relevant isotope systems, a list of references, and a page of related links.
Subject: Geoscience:Geology:Geochemistry, Igneous and Metamorphic Petrology:Igneous Processes, Igneous Associations and Tectonic Settings, Geoscience:Geology:Tectonics Resource Type: Audio/Visual:Images/Illustrations, Scientific Resources:Overview/Reference Work Focus on the Cretaceous: Magmatism Theme: Teach the Earth:Course Topics:Geochemistry, Petrology, Teach the Earth:Teaching Topics:Plate Tectonics
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