Index Catalog // ScholarsArchive@OSU

Surface-subsurface facies and distribution of the Eocene Cowlitz and Hamlet formations, northwest Oregon

Creator:: Robertson, Christina Lynn
Abstract:: Since 1979, over $114 million of natural gas has been produced at the Mist Gas Field, currently the only commercial gas field in the Pacific Northwest. In the Mist Gas Field, the sandstone-dominated Clark and Wilson member of the upper Eocene Cowlitz Formation is the reservoir and the overlying upper...
Resource Type:: Masters Thesis

Stratigraphy and sedimentology of the middle eocene Cowlitz Formation and adjacent sedimentary and volcanic units in the Longview-Kelso area, southwest Washington

Creator:: McCutcheon, Mark S.
Abstract:: Geologic mapping of the Longview-Kelso area and the measurement and description of a composite 650-meter thick stratigraphic section of the Cowlitz Formation (Tc) in Coal Creek using bio-, magneto-, litho-, and sequence stratigraphy reveals a complex interplay of Cowlitz micaceous, lithic arkosic shelf to tidal/estuarine to delta plain facies associations,...
Resource Type:: Masters Thesis

Geology of the southernmost Deschutes basin, Tumalo quadrangle, Deschutes County, Oregon

Creator:: McDannel, Angela K.
Abstract:: The Tumalo quadrangle lies approximately 30 kilometers behind the Cascade volcanic arc and marks the southernmost extent of continuously exposed Deschutes Formation rocks. Deschutes Formation rocks in the Tumalo quadrangle include late Miocene volcaniclastic sedimentary rocks, ignimbrites and lapillistones, and late Miocene to early Pliocene basalts and basaltic andesites. Volcaniclastic...
Resource Type:: Masters Thesis

The stratigraphy and depositional setting of the Spencer Formation, west-central Willamette Valley, Oregon: a surface-subsurface analysis

Creator:: Baker, Linda J.
Abstract:: For master (tiff) digital images of maps contained in this document contact scholarsarchive@oregonstate.edu
Resource Type:: Masters Thesis

Geochemical evolution of the Roseburg formation basaltic rocks, southern Oregon coast range

Creator:: Pyle, Douglas G.
Abstract:: The Paleocene-lower Eocene volcanic rocks of the southern Oregon Coast Range Roseburg Formation are the oldest remnant eruptive sequence of an oceanic islandseamount province which is presently exposed along a north-south lineament that stretches from Vancouver, B.C. into southwestern Oregon. This seamount terrane is thought to have formed on the...
Resource Type:: Masters Thesis
Full Text:: Formation Basaltic Rocks. Southern Oregon Coast Range Redacted for Privacy Abstract Approved ur. vascn

Alkaline and peraluminous intrusives in the Clarno Formation around Mitchell, Oregon : ramifications on magma genesis and subduction tectonics

Creator:: Appel, Michael
Abstract:: The Clarno Formation is a series of volcanic, volcaniclastic, and related intrusive rocks located in central Oregon. It is the westernmost extent of a broader Eocene magmatic belt that covers much the western United States. The magmatic belt stretches eastward from Oregon to western South Dakota, and from the Canadian...
Resource Type:: Masters Thesis
Full Text:: the Clarno Formation around Mitchell, Oregon: Ramifications on Magma Genesis and Subduction Tectonics

Surface-subsurface geology of the middle to upper Eocene sedimentary and volcanic rock units, western Columbia County, northwest Oregon

Creator:: Berkman, Thomas Anthony
Abstract:: The middle to upper Eocene Tillamook Volcanics form the basement in the Rock Creek - Rocky Point area. These tholeiitic to alkalic basalts, basaltic andesites, and andesites were erupted as shield volcanoes seaward of the strandline ontop of an older deep-marine mudstone unit (Yamhill Formation) and an accreted portion of...
Resource Type:: Masters Thesis

Stratigraphy, sedimentology, and hydrocarbon potential of Eocene forearc and subduction zone strata in the southern Tyee Basin, Oregon Coast Range

Creator:: Ryu, In-Chang
Abstract:: Sequence stratigraphic analysis of the southern Tyee basin, Oregon Coast Range, reveals that the lower to middle Eocene forearc and subduction zone strata comprise four depositional sequences. Sequence I (lower Umpqua Group) represents a partially subducted accretionary wedge. Sequence II (upper Umpqua Group) is a deltaic sequence that filled irregular...
Resource Type:: Dissertation

Geoarchaeological research within five river miles of the Upper Klamath River Canyon : use of pedogenic properties to calculate alluvial terrace age

Creator:: Hescock, Sara
Abstract:: Soil is a valuable medium when investigating the past-- from understanding rates of development, landform evolution, to the construction of various predictive models. Landforms and sediments provide insight into depositional environments and soil morphology indicates pedogenic change within those landforms. The rate at which pedogenesis occurs has been quantitatively measured...
Resource Type:: Masters Thesis
Full Text:: Submitted to Oregon State University In partial fulfillment of the requirement for

ScholarsArchive@OSU

Surface-subsurface facies and distribution of the Eocene Cowlitz and Hamlet formations, northwest Oregon

Stratigraphy and sedimentology of the middle eocene Cowlitz Formation and adjacent sedimentary and volcanic units in the Longview-Kelso area, southwest Washington

Geology of the southernmost Deschutes basin, Tumalo quadrangle, Deschutes County, Oregon

The stratigraphy and depositional setting of the Spencer Formation, west-central Willamette Valley, Oregon: a surface-subsurface analysis

Geochemical evolution of the Roseburg formation basaltic rocks, southern Oregon coast range

Alkaline and peraluminous intrusives in the Clarno Formation around Mitchell, Oregon : ramifications on magma genesis and subduction tectonics

Surface-subsurface geology of the middle to upper Eocene sedimentary and volcanic rock units, western Columbia County, northwest Oregon

Stratigraphy, sedimentology, and hydrocarbon potential of Eocene forearc and subduction zone strata in the southern Tyee Basin, Oregon Coast Range

Geoarchaeological research within five river miles of the Upper Klamath River Canyon : use of pedogenic properties to calculate alluvial terrace age

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