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Creator:: Oregon. Dept. of Geology and Mineral Industries and Beaulieu, John D.
Resource Type:: Journal
Full Text:: another Mesabi Range or another Pittsburgh coal field is small indeed. The rate of discovery of oil and

Creator:: Oregon. Dept. of Geology and Mineral Industries and Wagner, Norman Spencer
Resource Type:: Journal
Full Text:: addition, the township-range-section grid is shown on all topographic quadrangle maps issued by the U.S

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:: , far above the agricultural economic range of $3 to $6. For economic reasons the miner commonly re

Creator:: Oregon. Dept. of Geology and Mineral Industries, Mason, Ralph S., Newton, Vernon C., and Bowen, Richard G.
Resource Type:: Journal
Full Text:: resources but find that they are being called upon more and more to help in the solution of a wide range of

Creator:: Oregon. Dept. of Geology and Mineral Industries, Mason, Ralph S., and Newton, Vernon C.
Resource Type:: Journal
Full Text:: Ina plant owned by Midland Ross adjacent to the steel complex. At McMinn- ville, Cascade Steel Rolling

Creator:: Oregon. Dept. of Geology and Mineral Industries and Meyer, Herb
Abstract:: The purpose of this study of the Lyons flora is to determine the age and paleoecology of the flora through the examination and identification of the fossil plant species of the flora. The plant fossils comprising the Lyons flora were collected from a locality in the upper Thomas Creek area,...
Resource Type:: Journal
Full Text:: examination and identification of the fossil plant species of the flora. The plant fossils comprising the

Creator:: Oregon. Dept. of Geology and Mineral Industries and Kays, Marvin Allan, 1934-
Abstract:: This report summarizes results of geologic mapping in the South Umpqua Falls region of the Western Cascade Range in Douglas County, southwestern Oregon (plate 1). Rocks of the Western Cascades range in age from late Eocene to late Miocene and consist of deformed and partially altered flows, pyroclastic rocks, and...
Resource Type:: Journal
Full Text:: geologic mapping in the South Umpqua Falls region of the Western Cascade Range in Douglas County

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:: Oregon Coast Range. PART II. GEOLOGIC FIELD TRIP GUIDE, NEWPORT AREA, OREGON The field trip consists of

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:: , 1975). In crossing the Cascade Range, the line- ament may be represented by an extension of several

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:: Tyee range from 6 inches to 10 feet thick, consist of lithic to arkosic micaceous wacke, and are

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