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  3. U-Pb data for the Coles Hill uranium deposit, Virginia

U-Pb data for the Coles Hill uranium deposit, Virginia

Dates

Publication Date
Start Date
2014-07-14
End Date
2014-07-17

Citation

Moscati, R.J., and Neymark, L.A., 2020, U-Pb data for the Coles Hill uranium deposit, Virginia: U.S. Geological Survey data release, https://doi.org/10.5066/P9IEKJJR.

Summary

Apatite [Ca5(PO4)3F], titanite [CaTiSiO5], and rutile [TiO2] samples were collected by the U.S. Geological Survey (USGS) from the Coles Hill uranium deposit, Virginia. The samples (in the form of polished thin sections) were prepared and analyzed for direct age dating on a laser ablation inductively coupled plasma mass spectrometer (LA–ICPMS) system at the USGS in Denver, Colorado from August 2017 to March 2019.

Contacts

Point of Contact :
Richard J Moscati
Originator :
Richard J Moscati, Leonid A Neymark
Metadata Contact :
Richard J Moscati, GS GGGSC DM Team
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey – ScienceBase
SDC Data Owner :
Geology, Geophysics, and Geochemistry Science Center
USGS Mission Area :
Energy and Minerals

Attached Files

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TableA3_ColesHill.csv 85.29 KB text/csv
Titanite Coles Hill.jpg
“Titanite grain with laser ablation pits.” 		thumbnail 302.09 KB image/jpeg
U-Pb_data_Coles_Hill_uranium_Virginia.xml
Original FGDC Metadata
View 		27.83 KB application/fgdc+xml
Shapefile: TableA3_ColesHill.zip
TableA3_ColesHill.dbf 7.26 KB
TableA3_ColesHill.prj 145 Bytes
TableA3_ColesHill.sbn 340 Bytes
TableA3_ColesHill.sbx 124 Bytes
TableA3_ColesHill.shp 772 Bytes
TableA3_ColesHill.shx 292 Bytes

Purpose

The data present comparative LA–ICPMS U-Pb dating results for apatite, titanite, and rutile and discuss the geochronology of these phases within the Coles Hill uranium deposit, Virginia. The data set also were obtained to further demonstrate the practical application of the LA–ICPMS analytical procedure for U-Pb dating in the challenging geologic setting of equivocal mineral paragenesis, complex alteration history, pervasive intergrowth, and small grain sizes of U ore minerals and paragenetically related minerals. This data release accompanies a planned publication that will describes the timing of apatite, titanite, and TiO2 mineralization in the Martinsville igneous complex and associated uranium ore, and the subsequent metamorphism, and a later late-stage metasomatic episode in this uranium deposit.
Titanite grain with laser ablation pits.
Titanite grain with laser ablation pits.

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Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9IEKJJR

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