Index Catalog // ScholarsArchive@OSU

The Ore bin ; Vol. 31 No. 3 (March 1969)

Creator:: Oregon. Dept. of Geology and Mineral Industries, Snavely, Parke Detweiler, 1919-, MacLeod, Norman S., Rau, Weldon W., and Geological Society of America. Cordilleran Section. Meeting (65th : 1969 : Eugene, Or.)
Abstract:: This field trip consists of two geologic tours. On Tour 1, the Tertiary sedimentary rocks exposed along the Yaquina River between Newport and Toledo, Oregon, will be examined. This tour will start at the mouth of Yaquina Bay where Miocene sedimentary rocks are exposed and will proceed generally eastward and...
Resource Type:: Journal
Full Text:: -29, 1969 FIELD TRIP GUIDEBOOK GEOLOGY OF THE NEWPORT AREA, OREGON 1/ By Parke D. Snavely, Jr. 2

Late Quaternary sedimentation and geologic history of the North Willamette Valley, Oregon

Creator:: Glenn, Jerry L.
Abstract:: Late Quaternary sediments in the Willamette Valley, Oregon, include a unit of chiefly silt and fine sand, the Willamette Silt Formation. Previous workers have (1) Assigned the Willamette Silt different ages which range from Sangamon interglacial to late Wisconsin glacial, (2) Proposed that the Willamette Silt was deposited in a...
Resource Type:: Dissertation

Geology of the Elsie-lower Nehalem River area, south-central Clatsop and northern Tillamook counties, northwestern Oregon

Creator:: Mumford, Daniel Franklin
Abstract:: The middle Eocene Tillamook Volcanics form the oldest rock unit in the Elsie-lower Nehalem River area. K-Ar age determinations and age constraints imposed by foraminiferal and calcareous nannofossil assemblages of overlying sedimentary strata indicate an absolute age of about 42 Ma for the uppermost Tillamook Volcanics. Major oxide values indicate...
Resource Type:: Masters Thesis

Yaquina and Alsea River Basins Estuarine Wetland Site Prioritization Project : final report

Creator:: Brophy, Laura S.
Abstract:: This project, commissioned in 1998, is part of the MidCoast Watersheds Council's efforts to better understand the status and condition of the area's natural resources and to work with interested landowners to enhance and protect important areas.
Resource Type:: Technical Report
Full Text:: Report: Yaquina and Alsea River Basins Estuarine Wetland Site Prioritization Project * For

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

Geology of the Buster Creek-Nehalem Valley area, Clatsop County, northwest Oregon

Creator:: Olbinski, James Steven
Abstract:: Six Tertiary rock units are exposed in the Buster Creek-Nehalem Valley area. They are, from oldest to youngest: upper Eocene Tillamook Volcanics; upper Eocene Cowlitz Formation; upper Eocene Keasey Formation; upper Eocene Vesper Church formation (informal); upper Eocene to Oligocene Pittsburg Bluff Formation; and middle Miocene Depoe Bay Basalt. The...
Resource Type:: Masters Thesis

Investigation of the hydraulic, physical, and chemical buffering capacity of Missoula Flood Deposits for water quality and supply in the Willamette Valley of Oregon

Creator:: Iverson, Justin
Abstract:: The Willamette Silt is a surficial geologic unit composed of successive Missoula Flood Deposits that underlies 3100 km2 (1200 mil) of arable land in the Willamette Valley of Oregon. The Willamette Silt protects the underlying regionally important Willamette Aquifer from agricultural contamination while acting as a semi-confining unit and a...
Resource Type:: Masters Thesis
Full Text:: Willamette Valley of Oregon. Abstract approved Roy D. Haggerty The Willamette Silt is a surficial

The Ore bin ; Vol. 33 No. 9 (September 1971)

Creator:: Oregon. Dept. of Geology and Mineral Industries, Van Atta, Robert O., and Jaksha, Lawrence H.
Resource Type:: Journal
Full Text:: geology of the Tualatin Valley region, Oregon, 1967: Schlicker and Deacon 5.00 62. Andesite Conference

I. Direction of maximum horizontal compression in western Oregon determined by borehole breakouts. II. Structure and tectonics of the northern Willamette Valley, Oregon

Creator:: Werner, Kenneth Stefan
Abstract:: Elliptical borehole enlargements or "breakouts" caused by systematic spalling of a borehole wall due to regional maximum horizontal stresses were identified in 18 wells drilled in the Coast Range and Willamette Valley of western Oregon. The breakouts generally indicate a NNW to NNE orientation of maximum horizontal compression (oH[subscript max])...
Resource Type:: Masters Thesis

The Ore bin ; Vol. 35 No. 8 (August 1973)

Creator:: Oregon. Dept. of Geology and Mineral Industries, Thoms, Richard Edwin, 1935-, Smith, Harold Cramer, and Brogan, Phil F., 1896-
Resource Type:: Journal
Full Text:: . 35, No. 8 August 1973 • STATE OF OREGON DEPARTMENT OF GEOLOGY AND MINERAL INDUSTRIES The

ScholarsArchive@OSU

The Ore bin ; Vol. 31 No. 3 (March 1969)

Late Quaternary sedimentation and geologic history of the North Willamette Valley, Oregon

Geology of the Elsie-lower Nehalem River area, south-central Clatsop and northern Tillamook counties, northwestern Oregon

Yaquina and Alsea River Basins Estuarine Wetland Site Prioritization Project : final report

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

Geology of the Buster Creek-Nehalem Valley area, Clatsop County, northwest Oregon

Investigation of the hydraulic, physical, and chemical buffering capacity of Missoula Flood Deposits for water quality and supply in the Willamette Valley of Oregon

The Ore bin ; Vol. 33 No. 9 (September 1971)

I. Direction of maximum horizontal compression in western Oregon determined by borehole breakouts. II. Structure and tectonics of the northern Willamette Valley, Oregon

The Ore bin ; Vol. 35 No. 8 (August 1973)

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