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Derivation of S and Pb in phanerozoic intrusion-related metal deposits from neoproterozoic sedimentary pyrite, Great Basin, United States

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Derivation of S and Pb in phanerozoic intrusion-related metal deposits from neoproterozoic sedimentary pyrite, Great Basin, United States; 2011; Article; Journal; Economic Geology; Vikre, P. G.; Poulson, S. R.; Koenig, A. E.

Summary

The thick (≤8 km), regionally extensive section of Neoproterozoic siliciclastic strata (terrigenous detrital succession, TDS) in the central and eastern Great Basin contains sedimentary pyrite characterized by mostly high δ34S values (−11.6 to 40.8‰, >70% exceed 10‰; 51 analyses) derived from reduction of seawater sulfate, and by markedly radiogenic Pb isotopes (207Pb/204Pb >19.2; 15 analyses) acquired from clastic detritus eroded from Precambrian cratonal rocks to the east-southeast. In the overlying Paleozoic section, Pb-Zn-Cu-Ag-Au deposits associated with Jurassic, Cretaceous, and Tertiary granitic intrusions (intrusion-related metal deposits) contain galena and other sulfide minerals with S and Pb isotope compositions similar [...]

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Type Scheme Key
local-index unknown 70035979
local-pk unknown 70035979
doi http://www.loc.gov/standards/mods/mods-outline-3-5.html#identifier doi:10.2113/econgeo.106.5.883
series unknown Economic Geology

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citationTypeArticle
journalEconomic Geology
languageEnglish
parts
typevolume
value106
typeissue
value5

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