Preliminary bedrock geologic map of the Cape Foulweather and Euchre Mountain quadrangles, Oregon
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Open-File Report↗
Geology topics
P. D. Snavely
Publications and source records attributed to P. D. Snavely.
Preliminary bedrock geologic map of the Waldport and Tidewater quadrangles, Oregon
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Open-File Report↗
Preliminary bedrock geologic map of the Yaquina and Toledo quadrangles, Oregon
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Open-File Report↗
87Sr/86Sr ratios in some eugeosynclinal sedimentary rocks and their bearing on the origin of granitic magma in orogenic belts
Rb and Sr contents and 87 Sr/ 86 Sr values were determined for samples of eugeosynclinal sedimentary rocks, mostly graywackes, from Oregon and California. These data are compatible with the theory of anataxis of eugeosynclinal sedimentary rocks in orogenic belts to produce granitic magmas provided that the melting occurs within several hundreds of m.y. after sedimentation. The low ( 87 Sr/ 86 Sr) 0 values of the eugeosynclinal sedimentary rocks are related to the significant amounts of volcanogenic detritus present which probably were originally derived from the mantle.
Earth and Planetary Science Letters↗
Geologic sketch of northwestern Oregon
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Bulletin↗
Geology and coal resources of the Centralia-Chehalis district, Lewis and Thurston counties, Washington
No abstract available.
Washington↗