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Creator:: Oregon. Dept. of Geology and Mineral Industries and McWilliams, Robert Gene, 1939-
Abstract:: (1) Field mapping and biostratigraphic data indicate that the Yamhill Formation overlies and is younger than the Tyee Formation; interfingering of the two formations is not indicated. (2) Stewart's correlation of the Yamhill Formation with the Sacchi Beach member of the Tyee was based on incomplete knowledge of the range...
Resource Type:: Journal
Full Text:: Formation were used (Baldwin and others, 1955; Stewart, 1957) to correlate the Yamhill Formation with the

Creator:: Oregon. Dept. of Geology and Mineral Industries and Beaulieu, John D.
Abstract:: The plate tectonic history of Oregon is but one piece of a worldwide jigsaw puzzle encompassing much of geologic time. With the splitting of Pangaea in Mesozoic times, Oregon has occupied the leading edge of the North American Plate as it has impinged upon the ancestral oceanic East Pacific Plate....
Resource Type:: Journal
Full Text:: 97201 The ORE BIN Volume 34, No.8 August 1972 PLATE TECTONICS IN OREGON John D. Beaulieu

Creator:: Oregon. Dept. of Geology and Mineral Industries and Beaulieu, John D.
Abstract:: Average annual losses caused by geologic hazards in Oregon are difficult to determine, owing to incomplete and scattered data. Preliminary considerations, however, indicate that losses to landslides may total between $4 million and $40 million per year. As many as nine persons have been killed by one landslide in Oregon...
Resource Type:: Journal
Full Text:: 'Marine Science Laboratorymay 976 Oregon State University GEOLOGIC HAZARDS IN OREGON John D. Beaulieu

Creator:: Oregon. Dept. of Geology and Mineral Industries and Beaulieu, John D.
Resource Type:: Journal
Full Text:: 1973 THE MINERAL INDUSTRY AND THE ENVIRONMENT John D. Beaulieu, Stratigrapher Oregon Dept. of Geology

Creator:: Oregon. Dept. of Geology and Mineral Industries, Bowen, Richard G., and Blackwell, David D.
Abstract:: Our studies and those of our colleagues in Idaho indicate that the western Snake River Basin is a major geothermal province, similar in some ways to the Imperial Valley Geothermal Province. Deep drilling should encounter high temperature fluids in permeable rocks below 2 km and at shallower depths where permeability...
Resource Type:: Journal
Full Text:: * and D. D. Blackwell** During the past four years, the Oregon Department of Geology and Mineral

Creator:: Oregon. Dept. of Geology and Mineral Industries, Mason, Ralph S., Berg, Joseph W., and Baker, Charles D.
Resource Type:: Journal
Full Text:: -ei a. .- .11 L. 3-,. > E e wt 0 0 o 6 : c gTu tc:! D -,D 4,D 0 - 2 —' o L... g - 2 V

Creator:: Oregon. Dept. of Geology and Mineral Industries, Allen, John Eliot, 1908-, and Beaulieu, John D.
Abstract:: The geology of Oregon has become a jigsaw puzzle of moving parts set on a foundation of changing conditions as the crust and mantle undergo successively different manners of deformation through time. As more megahypotheses arise from increasingly sophisticated views of plate tectonics and from more detailed analyses of synoptic...
Resource Type:: Journal
Full Text:: STRUCTURES IN OREGON John Eliot Allen .' and John D. Beaulieu2 Introduction During the past decade the

Creator:: Komar, Paul D., 1939-, Rea, Campbell Cary, and Oregon. Dept. of Geology and Mineral Industries
Resource Type:: Journal
Full Text:: SPIT, OREGON Paul D. Komar and C. Cary Rea School of Oceanography, Estuarine and Coastal Research

Creator:: Oregon. Dept. of Geology and Mineral Industries, Friedman, Irving, 1920-, Peterson, Norman V., Beaulieu, John D., and Harding, Albert C.
Resource Type:: Journal
Full Text:: J. D. Beaulieu* •In a regional geologic study of the Western Cascades of northern Oregon, Peck and

Creator:: Bowen, Richard G., Blackwell, David D., Hull, Donald A., Peterson, Norman V., and Oregon. Dept. of Geology and Mineral Industries
Resource Type:: Journal
Full Text:: Richard G. Bowen, 1 David D. Blackwell, 2 Donald A. Hull, 3 and Norman V. Peterson3 Introduction The

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