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The Egan Range volcanic complex : implications for the evolution of a mid-tertiary synextensional volcanic system

Creator:: Feeley, Todd C.
Resource Type:: Masters Thesis

Geologic evolution of the Duck Creek Butte eruptive center, High Lava Plains, southeastern Oregon

Creator:: Johnson, Jenda A.
Resource Type:: Masters Thesis

Petrology of the reversely zoned Mickey Pass Tuff, west-central Nevada

Creator:: Templeton, Jeffrey H.
Resource Type:: Dissertation
Full Text:: Tuff, West- central Nevada. Abstract approved: Anita L. Grunder The 27.0-Ma Mickey Pass Tuff

Volcanology and petrology of Volcán Miño, Andean Central Volcanic Zone

Creator:: McKee, Claire M.
Abstract:: Volcán Miño (21°11'S) is located on the westernmost periphery of a longlived complex of stratovolcarioes and domes called the Aucanquilcha Complex. The Aucanquilcha Complex ranges in age from 11 Ma to 1-lolocene and lies along the main N-S trending axis of Quaternary volcanoes in the Andean Central Volcanic Zone (CVZ)....
Resource Type:: Masters Thesis
Full Text:: like to extend my gratitude to my main thesis advisor, Anita Grunder, who has acted as both my mentor

Geology and petrology of a 26-Ma trachybasalt to peralkaline rhyolite suite exposed at Hart Mountain, southern Oregon

Creator:: Mathis, Allyson C.
Resource Type:: Masters Thesis

Geology and geochemistry of Juniper Ridge, Horsehead Mountain and Burns Butte : implications for the petrogenesis of silicic magma on the High Lava Plains, southeastern Oregon

Creator:: MacLean, James W.
Abstract:: The Juniper Ridge volcanic complex is located in the High Lava Plains Province of southeastern Oregon, a wide zone of bimodal volcanism and faulting that marks the northern limit of widespread Basin and Range-style faulting in the northern Great Basin Province. Rhyolite dome complexes are progressively younger to the northwest...
Resource Type:: Masters Thesis

Constraining the magmatic evolution of the Andean arc at 21⁰S using the volcanic and petrologic history of Volćán Aucanquilcha, Central Volcanic Zone, northern Chile

Creator:: Klemetti, Erik W.
Abstract:: Volcan Aucanquilcha, a Pleistocene to Recent composite volcano in northern Chile, is the youngest and center-most member of the 11 m.y.-old Aucanquilcha Volcanic Cluster (AVC). The AVC has produced [approximately]350 km³ of lava over its history. Magmatism started slowly and was punctuated by high rates of eruption between 4.5 and...
Resource Type:: Dissertation

The geochemistry and geochronology of the Eocene Absaroka volcanic province northern Wyoming and southwest Montana, USA

Creator:: Hiza, Margaret M.
Abstract:: The Absaroka volcanic province is the largest of Eocene volcanic fields in the northern Cordillera of the western U.S., and consists of 25,000 km2 of lava flows, shallow intrusions, ash-flow tuffs and volcaniclastic deposits. It is aligned with northwest-trending Precambrian lineaments, and includes the remains of at least ten volcanic...
Resource Type:: Dissertation

Feeder dikes to the Columbia River flood basalts : underpinnings of a large igneous province

Creator:: Petcovic, Heather L.
Abstract:: Feeder dikes to the Columbia River Basalt Group (CRBG) large igneous province provide a rare opportunity to examine magma transport through the shallow crust during flood basalt eruptions. Over 70% of the CRBG erupted from the Chief Joseph dike swarm, which is exposed across southeastern Washington, eastern Oregon, and western...
Resource Type:: Dissertation

Volcanology and petrology of the Rattlesnake Ash-Flow Tuff, eastern Oregon

Creator:: Streck, Martin J.
Abstract:: The Rattlesnake Ash-Flow Tuff erupted 7.05±0.01 Ma from the western Harney Basin, southeastern Oregon. The location of the vent area is inferred based on vent-ward increases in size of pumices, in degree of welding, and in degree of post-emplacement crystallization. Today's outcrops cover 9000 km2 and estimated original outcrop coverage...
Resource Type:: Dissertation
Full Text:: Rattlesnake Tuff, Eastern Oregon. Martin J. Streck and Anita L. Grunder Department of Geosciences Oregon

ScholarsArchive@OSU

The Egan Range volcanic complex : implications for the evolution of a mid-tertiary synextensional volcanic system

Geologic evolution of the Duck Creek Butte eruptive center, High Lava Plains, southeastern Oregon

Petrology of the reversely zoned Mickey Pass Tuff, west-central Nevada

Volcanology and petrology of Volcán Miño, Andean Central Volcanic Zone

Geology and petrology of a 26-Ma trachybasalt to peralkaline rhyolite suite exposed at Hart Mountain, southern Oregon

Geology and geochemistry of Juniper Ridge, Horsehead Mountain and Burns Butte : implications for the petrogenesis of silicic magma on the High Lava Plains, southeastern Oregon

Constraining the magmatic evolution of the Andean arc at 21⁰S using the volcanic and petrologic history of Volćán Aucanquilcha, Central Volcanic Zone, northern Chile

The geochemistry and geochronology of the Eocene Absaroka volcanic province northern Wyoming and southwest Montana, USA

Feeder dikes to the Columbia River flood basalts : underpinnings of a large igneous province

Volcanology and petrology of the Rattlesnake Ash-Flow Tuff, eastern Oregon

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