Year of Award
Dissertation - Campus Access Only
Doctor of Philosophy (PhD)
Department or School/College
Department of Geosciences
Julia A. Baldwin
Rebecca Bendick, Nancy Hinman, Anna Klene, Reed Lewis, James Sears
Exhumation, Monazite, Numerical Modeling, Priest River, Pseudosection, Zircon
The University of Montana
The pelitic, migmatitic Hauser Lake gneiss and the CretaceousûEocene granitoids that intrude it are exhumed in the footwall of the Priest River complex of northern Idaho. Phase equilibria modeling, laser-ablation split-stream (LASS)-ICP-MS monazite and xenotime petrochronology, and garnet trace element-geochemistry are integrated to constrain the pressureûtemperatureûtime (PûTût) history of metamorphism, crustal anatexis, and exhumation of the Hauser Lake gneiss. Zircon and monazite U-Pb geochronology, zircon Hf isotopes, and zircon trace element geochemistry of CretaceousûEocene granitoids are used to place constraints on the temporal and source relationships between crustal anatexis, magmatism, and exhumation of the Priest River complex.
Stevens, Liane Marie, "Pressure-Temperature-Time Constraints on Metamorphism, Anatexis, Magmatism & Exhumation in the Priest River Complex, Northern Idaho, and Comparison with Geodynamic Models" (2015). Graduate Student Theses, Dissertations, & Professional Papers. 4616.
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© Copyright 2015 Liane Marie Stevens