Strontium isotopic systematics of mineralized and background water samples, Montezuma Mining District, Colorado

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Abstract

Surface and groundwater samples within the Montezuma mining district were sampled to evaluate the use of strontium isotopic compositions as signatures of different water types. Waters draining Precambrian metamorphic units had distinctly higher 87Sr/ 86Sr values (0.72893 to 0.73833) than waters draining Tertiaryage plutonic rocks (0.71064 and 0.71114). Waters draining mine workings along Tertiary-age mineralized veins in Precambrian metamorphic units had isotopic compositions between these two endmembers such that Sr isotopic composition could not be used as a unique signature of mining-related waters.

Additional publication details

Publication type Conference Paper
Publication Subtype Conference Paper
Title Strontium isotopic systematics of mineralized and background water samples, Montezuma Mining District, Colorado
Year Published 2017
Language English
Publisher International Association of GeoChemistry
Contributing office(s) Central Mineral and Environmental Resources Science Center
Description 5 p.
Larger Work Type Book
Larger Work Subtype Conference publication
Larger Work Title Proceedings of the 12th International Symposium on Applied Isotope Geochemistry (AIG-12)
Conference Title 12th International Symposium on Applied Isotope Geochemistry (AIG-12)
Conference Location Coppper Mountain, CO
Conference Date September 17-22, 2017