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Geochemical and geochronologic data from the Hall Creek caldera, Toiyabe Range, Nevada

Citation

Colgan, J.P., and Henry, C.D., 2017, Geochemical and geochronologic data from the Hall Creek caldera, Toiyabe Range, Nevada: U.S. Geological Survey data release, https://doi.org/10.5066/F7JD4TX8.

Summary

The magmatic, tectonic, and topographic evolution of what is now the northern Great Basin remains controversial, notably the temporal and spatial relation between magmatism and extensional faulting. This controversy is exemplified in the northern Toiyabe Range of central Nevada, where previous geologic mapping suggested the presence of a caldera that sourced the late Eocene (34.0 mega-annum [Ma]) tuff of Hall Creek. This region was also inferred to be the locus of large-magnitude middle Tertiary extension (more than 100 percent strain) localized along the Bernd Canyon detachment fault, and to be the approximate location of a middle Tertiary paleodivide that separated east and west-draining paleovalleys. Geologic mapping, 40Ar/39Ar [...]

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DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/F7JD4TX8

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