Mineralization of breccia pipes in northern Arizona.

Economic Geology


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Hundreds of breccia pipes, some mineralized with ore-grade Cu and/or U, occur in the Colorado Plateau of N Arizona. The pipes originated in the Mississippian Redwall limestone, on its solution-collapse, and stoped through the overlying strata to the Triassic Chinle formation. Mineralization occurred during the Mesozoic, first with Mississippi Valley-type Cu-Pb-Zn deposits, and later with uraninite. The origin of the mineralizing fluids is unknown. Prospecting criteria and the complete systematics of these pipes and their mineralizations require further research.-G.J.N.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Mineralization of breccia pipes in northern Arizona.
Series title Economic Geology
Volume 80
Issue 6
Year Published 1985
Language English
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Economic Geology
First page 1722
Last page 1735