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  3. In situ U-Pb dating of apatite and rutile from St. Francois Mountains IOA and IOCG deposits, southeast Missouri

In situ U-Pb dating of apatite and rutile from St. Francois Mountains IOA and IOCG deposits, southeast Missouri

Dates

Publication Date
Start Date
2016
End Date
2019

Citation

Moscati, R.J., and Neymark, L.A., 2021, In situ U-Pb dating of apatite and rutile from St. Francois Mountains IOA and IOCG deposits, southeast Missouri: U.S. Geological Survey data release, https://doi.org/10.5066/P9EEV8E7.

Summary

Apatite (Ca5(PO4)3(Cl/F/OH)) and rutile (TiO2) samples were collected by the U.S. Geological Survey (USGS) from the iron oxide-apatite-rare earth element (IOA-REE) and iron oxide-copper-gold (IOCG) deposits hosted by the Mesoproterozoic, St. Francois Mountains terrane, southeast Missouri. Samples were prepared and analyzed for direct age dating on a laser ablation inductively coupled plasma mass spectrometer (LA-ICP-MS) system at the USGS in Denver, Colorado from May 2016 to June 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
USGS Program :
Mineral Resources Program
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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U-Pb_SE_MO_April2021.xml
Original FGDC Metadata
View 		22.97 KB application/fgdc+xml
SE MO Data Table.csv
“Data table in comma-separated value (CSV) format” 		134.95 KB text/csv
SE MO Data Table.xlsx
“Data table in MS Excel (XLSX) format” 		387.48 KB application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Apatite grain with pits.jpg
“Apatite grain with 50 µm diameter laser ablation pits.” 		thumbnail 721.21 KB image/jpeg
508 apatite photo.docx 620.23 KB application/vnd.openxmlformats-officedocument.wordprocessingml.document
Shapefile: Southeast Missouri Sample Locations.zip
SE_MO_Locations.cpg 5 Bytes
SE_MO_Locations.dbf 5.73 KB
SE_MO_Locations.sbn 308 Bytes
SE_MO_Locations.sbx 124 Bytes
SE_MO_Locations.shp 660 Bytes
SE_MO_Locations.shx 260 Bytes

Purpose

These data present the first LA-ICP-MS U-Pb dating results for apatite and rutile from Pilot Knob, Bourbon, Kratz Spring, Iron Mountain, Boss-Bixby, and Pea Ridge deposits located within the Mesoproterozoic, St. Francois Mountains terrane, southeast Missouri. The data set was also obtained to further demonstrate the practical application of the LA-ICP-MS analytical procedure for U-Pb dating of apatite and rutile.
Apatite grain with 50 µm diameter laser ablation pits.
Apatite grain with 50 µm diameter laser ablation pits.

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Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9EEV8E7

Shapefile Extension

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