[Critical Minerals] - Practical Links

[1 - main link] Remote Sensing U.S. Geological Survey
https://www.usgs.gov/programs/mineral-resources-program/science/science-topics/remote-sensing

[2 - basic principles] Principles of Remote Sensing - Centre for Remote Imaging, Sensing and Processing, CRISP
https://crisp.nus.edu.sg/~research/tutorial/optical.htm#:~:text=absorbed%20or%20reflected.-,Different%20materials%20reflect%20and%20absorb%20differently%20at%20different%20wavelengths.,unique%20signature%20for%20the%20material.

[3 - one link to consider -New Applications of Hyperspectral Imaging to Delineate Critical Minerals Concentrated in Regolith and Mine Waste Materials

https://www.usgs.gov/centers/geology-energy-and-minerals-science-center/science/new-applications-hyperspectral-imaging#data

[4 - Visible and Near Infrared (VNIR) and Short Wavelength Infrared (SWIR) Spectra of Select Rock Cores and Waste Material from Nine Uranium Mine Sites in Karnes and Live Oak Counties, Texas - ScienceBase-Catalog

https://www.usgs.gov/data/visible-and-near-infrared-vnir-and-short-wavelength-infrared-swir-spectra-select-rock-cores

download these:
nine-mine-sites-data.zip
nine-mine-sites-locations.zip

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USGS - National Geochemical Database on Ore Deposits Legacy data
https://www.sciencebase.gov/catalog/item/60abefced34ea221ce51f37f

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EARTH MRI data

Earth MRI Vs USGS
https://mrdata.usgs.gov/earthmri/data-acquisition/

USGS Critical Mineral Resources
https://mrdata.usgs.gov/catalog/science.php?thcode=7&term=44