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ROTATION OF LATE CENOZOIC EXTENSIONAL STRESSES, YUCCA FLAT REGION, NEVADA TEST SITE, NEVADA
The Nevada Test Site (NTS) is located in the southern Basin and Range where the geology is typified by complexly deformed Paleozoic sedimentary rocks underlying Tertiary and Quaternary volcanics and alluvium all displaced ...
THE PETROLOGY AND GEOCHEMISTRY OF HIGH CASCADE VOLCANICS IN SOUTHERN WASHINGTON: MOUNT ST. HELENS VOLCANO AND THE INDIAN HEAVEN BASALT FIELD (TRACE ELEMENT, ISOTOPES, MINERALOGY)
Mount St. Helens volcano (Washington, USA) has been characterized by four eruptive periods during the last 2200 years. Eruptive products include a wide spectrum of rock types including basaltic to andesitic lavas, andesitic ...
PETROLOGY OF DEEP CRUSTAL XENOLITHS FROM THE EASTERN SNAKE RIVER PLAIN, IDAHO (GEOTHERMOMETRY, PRECAMBRIAN)
Xenoliths, collected from certain hybrid lava flows and vents at three localities in the eastern Snake River Plain region of southern Idaho, were derived from underlying crustal terrains which experienced granulite-facies ...