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Geochemical data for alkaline igneous rock units in the Cripple Creek district, Colorado USA: 1989-2016

Dates

Publication Date
Start Date
1989-06-01
End Date
2016-08-31

Citation

Kelley, K.D., and Peterson, M.L., 2020, Geochemical data for alkaline igneous rock units in the Cripple Creek district, Colorado USA: 1989-2016: U.S. Geological Survey data release, https://doi.org/10.5066/P90QL6O4.

Summary

This data release includes new major and trace element geochemical data acquired by the U.S. Geological Survey (USGS) for igneous rocks in the Cripple Creek district in Colorado. Cripple Creek is among the largest epithermal districts in the world, with more than 800 metric tons (t) Au (>26.4 Moz). The ores are associated spatially, temporally, and genetically with ~34 to 28 Ma alkaline igneous rocks that were emplaced into an 18 km2- diatreme complex and surrounding Proterozoic rocks (Kelley and others, 2020). Igneous rocks associated with Cripple Creek are part of a regionally extensive episode of Oligocene alkaline magmatism that extended southward along the axis of the Rio Grande rift through New Mexico and into the Trans Pecos [...]

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Cripple_Creek_Data_Dictionary.csv 66.64 KB text/csv
Cripple_Creek_lithogeochem.csv 46.01 KB text/csv
Cripple_Creek_Metadata.xml
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Cripple_Creek_Site_Inventory.csv 10.79 KB text/csv
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Cripple_Creek_Site_Inventory.cpg 5 Bytes
Cripple_Creek_Site_Inventory.dbf 58.86 KB
Cripple_Creek_Site_Inventory.prj 145 Bytes
Cripple_Creek_Site_Inventory.sbn 884 Bytes
Cripple_Creek_Site_Inventory.sbx 164 Bytes
Cripple_Creek_Site_Inventory.shp 2.15 KB
Cripple_Creek_Site_Inventory.shx 700 Bytes

Purpose

The objective of the USGS study was to characterize the tellurium contents (and other trace elements) of dominantly unaltered alkaline igneous rocks that are genetically associated with mineralization in order to better understand possible source(s) and mechanism of enrichment of tellurium in these systems.

Additional Information

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P90QL6O4

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