Index Catalog // ScholarsArchive@OSU

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

Transfers of water rights in New Mexico's Rio Grande basin : spatiotemporal and sociocultural patterns

Creator:: Shively, David D.
Abstract:: Water right marketing and transfers represent a resource reallocation strategy that has received considerable attention in the American West owing to nearly full appropriation of water in the region. Several western states permit transfers between different uses and places of use thus allowing water to move to higher-value economic activities....
Resource Type:: Dissertation

Trace element distribution in igneous minerals and liquids

Creator:: Forsythe, Lance M.
Resource Type:: Dissertation

Tourism and community perceptions : an examination of Mount St. Helens' tourism as perceived by local residents

Creator:: Baker, Randal G.
Abstract:: Since the eruption of Mount St. Helens on May 18,1980, the rural communities within its shadow have experienced tremendous change. Tourism has become a highly visible and somewhat controversial component of change in the region, and its importance to local economies has increased. As a result of increased tourism development...
Resource Type:: Dissertation

Thin-skinned tectonics on continent/ocean transitional crust, Sulaiman Range, Pakistan

Creator:: Jadoon, Ishtiaq Ahmad Khan
Abstract:: Surface and subsurface data from the Sulaiman thrust belt show that nearly all the 10 km thick sequence of dominantly platform (>7 km) and molasse strata is detached at the deformation front. These strata thicken tectonically to a minimum of 20 km in the hinterland of the Sulaiman fold belt...
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

The Calvin impact crater, Cass County, Michigan : identification and analysis of a subsurface ordovician astrobleme

Creator:: Milstein, Randall L.
Abstract:: The Calvin impact crater is an isolated, nearly circular subsurface structure of Late Ordovician age in southwestern Michigan. The crater is defined by 110 on and gas test wells, has a rim to rim diameter of 6.2 km, an overall dimensional diameter of 8.5 km and consists of a central...
Resource Type:: Dissertation

The application of spatial data analysis and visualization in the development of landscape indicators to assess stream conditions

Creator:: Buckley, Aileen R.
Abstract:: The main theme of this research is the application of geographic techniques in a study involving environmental monitoring and analysis of the associations between landscape and in-stream characteristics in the Pacific Northwest. The geographic techniques used in this study include (1) geographic information systems (GIS) coupled with statistical analysis and...
Resource Type:: Dissertation

Temporal and spatial variability of methane emissions from Alaskan Arctic tundra

Creator:: Morrissey, L. A.
Abstract:: Methane flux was measured from northern Alaska Arctic Coastal Plain wetlands to assess the spatial and temporal variability of Arctic tundra emissions during the summers of 1987 through 1990. Initially, the role of vegetation in the release of methane from substrate to atmosphere was assessed. Methane emissions were shown to...
Resource Type:: Dissertation

Taxonomy, paleoecology, and paleobiogeography of Wenlockian (Silurian) brachiopods of the Cape Phillips formation from Baillie Hamilton Island, Arctic Canada

Creator:: Zhang, Ning
Abstract:: Eighty-seven brachiopod species are described and illustrated from a brachiopod fauna of the Cape Phillips Formation of Baillie Hamilton Island, Arctic Canada. Two new families, Wangyuiidae and Rhynchotretidae, are proposed. Six new genera and forty-five new species are recognized. New genera comprise: Flabellitesia, Wangyuia, Pseudomendacella, Eoplectodonta (Paranisopleurella), Johnsonatrypa, and Dicoelospirifer....
Resource Type:: Dissertation

ScholarsArchive@OSU

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

Transfers of water rights in New Mexico's Rio Grande basin : spatiotemporal and sociocultural patterns

Trace element distribution in igneous minerals and liquids

Tourism and community perceptions : an examination of Mount St. Helens' tourism as perceived by local residents

Thin-skinned tectonics on continent/ocean transitional crust, Sulaiman Range, Pakistan

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

The Calvin impact crater, Cass County, Michigan : identification and analysis of a subsurface ordovician astrobleme

The application of spatial data analysis and visualization in the development of landscape indicators to assess stream conditions

Temporal and spatial variability of methane emissions from Alaskan Arctic tundra

Taxonomy, paleoecology, and paleobiogeography of Wenlockian (Silurian) brachiopods of the Cape Phillips formation from Baillie Hamilton Island, Arctic Canada

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