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Filtering by: Creator Wells, A. Remove constraint Creator: Wells, A. File Format image/jpeg Remove constraint File Format: image/jpeg Rights Statement Copyright Not Evaluated Remove constraint Rights Statement: Copyright Not Evaluated

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Petrology of the Bend pumice and Tumalo tuff, a Pleistocene Cascade eruption involving magma mixing

Creator:

Hill, Brittain Eames

Abstract:

The Bend pumice and Tumalo tuff are products of a plinian eruption which occurred sometime between 0.89 and 2.6 m.y. The Bend pumice is a poorly consolidated, air-fall vitric lapilli tuff, which overlies a zone of reworked tephra. Perlitic obsidian in the reworked zone probably represents the remains of a...

Resource Type:

Masters Thesis
Geology of the Clarno Formation in the vicinity of Stephenson Mountain, Jefferson, Crook and Wheeler counties, Oregon

Creator:

Stroh, Harold Raymond

Abstract:

The thesis area is located in north-central Oregon approximately 20 km west of the town of Mitchell. The rocks exposed in the area belong to the Clarno Formation. This study supports the informal reclassification of the Clarno to Group status, composed of an Upper and Lower Clarno Formation. An angular...

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Masters Thesis
Gravity and crustal structure of the south-central Gulf of Mexico, the Yucatan Peninsula, and adjacent areas from 17°30ʹN to 26°N and from 84°W to 93°W

Creator:

Alvarado Omana, Miguel Angel

Abstract:

About 9600 nautical miles of marine gravity, magnetic, and bathymetric data were collected by Oregon State University during the cruise Yucatan'85 in the north and eastern margins of the Yucatan Peninsula, using a research vessel of the Mexican Navy, the Altair. A compilation of Yucatan' 85 marine data and marine...

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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
Biostratigraphy, depositional environments, and paleogeography of Lower and Middle Devonian rocks, Death Valley area, California

Creator:

Heironimus, Thurman L.

Abstract:

During Early and Middle Devonian time, the main part of the Death Valley area was characterized by shallow marine shelf position. In the extreme western part, deposition took place in carbonate slope environments. Early and Middle Devonian eastern platform dolomites, represented by uppermost Hidden Valley Dolomite and lower Lost Burro...

Resource Type:

Masters Thesis

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Academic Affiliation

Geology4
Geosciences1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1980 to 2004

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Committee Member

Langford, Charles1

Creator

Alvarado Omana, Miguel Angel1
Heironimus, Thurman L.1
Hill, Brittain Eames1
Mccutcheon, Mark S.1
Stroh, Harold Raymond1

Date

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Current results range from 1979 to 2003

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2000-20091
1980-19893
1970-19791

Degree Field

Geology4
Geophysics1

Degree Level

Master's5

Degree Name

Master of Science (M.S.)5

File Format

application/pdf5
image/jpeg[remove]5

Language

English [eng]5

Non-Academic Affiliation

Oregon State University. Graduate School5

Peer Reviewed

No2

Resource Type

Masters Thesis5

Rights Statement

Copyright Not Evaluated[remove]5

Subject

Cowlitz Formation1
Formations (Geology) -- Washington (State) -- Cowlitz County1
Geology -- California -- Death Valley Area1
Geology -- Mexico, Gulf of1
Geology -- Oregon -- Clarno Basin1
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