This study will provide additional insight into initial Yellowstone plume dynamics and the effect of initial Cascadia slab rollback. So, while we are at this, the best solution could be to use a main Switching PSU with all the advantages they brings (efficiency, price, weight, better isolation from AC ground leaks), choosing one with +-12V outputs included for the servo. If all ages come back between 16-15 Ma and 12-0 Ma, then it is likely that the two provinces are a result of separate and distinct processes. psu.edu NEGATIVUND/CHUMBAWA ADAM DANIEL GUIDED BY VOICES FUMING LIPS. If some ages come back between 15 Ma and 12 Ma, it is likely that the volcanic provinces are a result of a single, continuous magmatic process. BROOKE JOAN OF ARC QUESTION MARK & THE PIZZICATO FIVE ARTHUR ADAMS GUIDED BY. Swenton’s research involves investigating the questions: Are the two volcanic provinces a result of separate and distinct processes? Is High Lava Plains volcanism associated with the Yellowstone mantle plume, a result of Cascadia slab rollback, or a combination of both? She is investigating these questions primarily by acquiring high-precision ages and detailed geochemical signatures of unanalyzed volcanic centers in the study region. However, there are numerous volcanic eruptive centers that have not been dated, so it is unclear if/how the provinces are related. The provinces are interpreted as a result of separate and distinct magmatic and tectonic processes, primarily due to the 3 million-year age gap between the two episodes. 2007-pizzicato-psu 1708 sw 6th ave, 2252-Pizzicato Inc, 4526-POIC + RAHS-717 N Killingsworth Ct. The younger episode is within the High Lava Plains, and it is debated as being solely a result of the initial Yellowstone plume, or as a result of Cascadia slab rollback processes. The older episode is known to be associated with the Yellowstone mantle plume and Columbia River Basalt Group volcanism. There are two dominant volcanic provinces that have had episodes of high-silica (silicic/felsic) volcanism in eastern Oregon. ![]() PSU Geology doctoral candidate Vanessa Swenton will discuss her research investigating some of the volcanic eruptions that occurred in eastern Oregon approximately 16 million years ago (Ma) to present day.
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