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Northwestern Oregon
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Geochemistry
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Geochemistry -- Oregon -- Columbia County
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PDX Scholar
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1. [Article] Geochemical Evolution of Ferruginous Bauxite Deposits in Northwestern Oregon and Southwestern Washington
Ferruginous bauxite deposits developed from flows of the Columbia River Basalt Group in northwestern Oregon and southwestern Washington. Samples of the iron pisolite and the gibbsite nodular zones from ...Citation