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Multi-element geochemical analyses of selected samples from the Mesoproterozoic Nonesuch Formation and Copper Harbor Conglomerate at the Copperwood copper deposit, Michigan, USA

Dates

Publication Date
Start Date
2017
End Date
2019

Citation

Mauk, J.L., Granitto, M., Bertoni, C., and Shepeck, E., 2019, Multi-element geochemical analyses of selected samples from the Mesoproterozoic Nonesuch Formation and Copper Harbor Conglomerate at the Copperwood copper deposit, Michigan, USA: U.S. Geological Survey data release, https://doi.org/10.5066/P932WQ6W.

Summary

This data release provides multi-element data for drill core samples from the Mesoproterozoic Nonesuch Formation and Copper Harbor Conglomerate at the Copperwood copper deposit, Michigan, USA. Gold, platinum, and palladium data were collected by fire assay; copper and silver were collected by assay; and other elements were collected by inductively coupled plasma-optical emission spectrometry (ICP-OES) or inductively coupled plasma-mass spectrometry (ICP-MS) following a digestion that used hydrochloric, nitric, perchloric and hydrofluoric acids. The Copperwood copper deposit is a sediment-hosted stratiform copper deposit in the Presque Isle Syncline of the upper peninsula of Michigan. The deposit has a 2018 mineral resource estimate [...]

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Attached Files

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Copperwood_PGE.xlsx
“Data and its limits of determination in .xlsx format”
45.58 KB
Copperwood_PGE_Data.txt
“Data in .txt format”
25.56 KB
Copperwood_PGE_Limits.txt
“Limits of determination in .txt format”
1.53 KB
Copperwood_DrillHoles.jpg
“Location of drill holes at the Copperwood copper deposit used in this study”
thumbnail 164.87 KB
Copperwood_PGE_MD.txt
“Metadata in .txt format”
46.51 KB
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Export_Output_2.sbx 156 Bytes
Export_Output_2.shp 1.66 KB
Export_Output_2.shx 556 Bytes

Purpose

This data set was created and designed to compile and integrate geochemical data from the Copperwood copper deposit, Michigan, to facilitate geologic mapping, petrologic studies, and mineral resource assessments as pertain to sediment-hosted stratiform copper deposits.

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P932WQ6W

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