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Geology and ore deposits of the Section 23 Mine, Ambrosia Lake District, New Mexico

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Geology and ore deposits of the Section 23 Mine, Ambrosia Lake District, New Mexico; 1982; OFR; 82-207; Granger, H. C.; Santos, E. S.

Summary

The section 23 mine is one of about 18 large uranium mines opened in sandstones of the fluvial Westwater Canyon Member of the Jurassic Morrison Formation in the Ambrosia Lake mining district during the early 1960s. The Ambrosia Lake district is one of several mining districts within the Grants mineral belt, an elongate zone containing many uranium deposits along the southern flank of the San Juan basin. Two distinct types of ore occur in the mine. Primary ore occurs as peneconcordant layers of uranium-rich authigenic organic matter that impregnates parts of the reduced sandstone host rocks and which are typically elongate in an east-southeast direction subparallel both to the sedimentary trends and to the present-day regional strike [...]

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Type Scheme Key
local-index unknown ofr82207
local-pk unknown 9203
series unknown Open-File Report

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journalOpen-File Report
edition-
languageENGLISH
citationTypeReport

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