Now showing items 1-3 of 3
POST-CALDERA VOLCANISM IN YELLOWSTONE NATIONAL PARK: PETROGENESIS OF THE INTRACALDERA UPPER BASIN MEMBER OF THE PLATEAU RHYOLITE AND EXTRA-CALDERA MINGLED MAGMA COMPLEXES
The Plateau Rhyolite erupted following the last large Yellowstone caldera collapse and may have erupted from a rejuvenating magmatic system. Our preferred model for rhyolite genesis is by assimilation of continental crust ...
TRACKING LONG-DISTANCE DEPOSITION AND ASSIMILATION OF AIRBORNE SMELTER EMISSIONS IN NORTHEASTERN WASHINGTON LAKES USING LEAD ISOTOPE ANALYSIS
Metal pollution from mining and smelting operations into aquatic ecosystems can cause long-term biological impacts. Several studies have addressed the biological effects of both direct discharge of mining slag and diffuse ...
Mapping, geologic evolution and petrogenesis of the McDermitt caldera center, northern Nevada & southern Oregon, USA
The McDermitt caldera center ("McDermitt") is a polygenetic mid-Miocene volcanic center along the border of northern Nevada and southern Oregon, USA, and is one of the first silicic centers associated with the Yellowstone ...