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Title: Germanium Deposits in the United States
Author: Gnesda, W.R., Karl, N.A., and Mauk, J.L.
Comments: This dataset is part of an ongoing effort by the U.S. Geological Survey (USGS) to understand the attributes and geologic distribution of critical mineral resources, especially those in the United States. The United States continues to become more dependent on imports to meet the domestic demands for an increasing number of mineral commodities. Many mineral commodities are now produced primarily or entirely outside of the United States, creating the potential for supply interruptions in the foreseeable future, or in the long term. These important but highly dependent mineral commodities are deemed critical and (or) strategic resources.
As a part of the process set forth by Executive Order 13817, the USGS National Minerals Information Center (NMIC) identified germanium as a critical mineral (Department of the Interior, 2018) due to the import reliance and importance in the sectors of defense, manufacturing, and telecommunications (Fortier and others, 2018). Germanium is necessary for strategic, consumer, and commercial applications. Due to its high refractive index, transparency to infrared light, and properties as a semiconductor, germanium is used in a wide range of products; from infrared optics to PET plastics. Germanium, being found in a wide range of products, is most suitably recovered from recycling. It is rare but often found in trace quantities in most rocky types but is primarily produced as a byproduct of copper, lead, and zinc smelting. Despite difficulty in domestic production, the need for germanium and its products remains high.
This dataset was compiled to provide base layers of information that identify and describe the known germanium deposits in the United States. This compilation is intended to contribute to our geologic understanding of germanium deposits in the United States, and to assist in evaluating their resource potential.
Department of the Interior, 2018, Final list of critical minerals 2018: Federal Register, v. 83, no. 97, p. 23295—23296, accessed February 25, 2020, at https://www.federalregister.gov/d/2018-10667.
Fortier, S.M., Nassar, N.T., Lederer, G.W., Brainard, J., Gambogi, J., and McCullough, E.A., 2018, Draft critical mineral list—Summary of methodology and background information—U.S. Geological Survey technical input document in response to Secretarial Order No. 3359: U.S. Geological Survey Open-File Report 2018–1021, 15 p., accessed February 20, 2020, at https://doi.org/10.3133/ofr20181021.
Subject: This data release provides the description of 1 U.S. site that includes mineral region, mine, and mineral occurrence enriched in the critical element germanium
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Keywords: geoscientificInformation, geospatial datasets, *commodities not in USGS Thesaurus, mineral deposit areas, economic geology, Alaska, Mineral Resources Program (MRP), mine sites, geographic information systems, critical mineral, Earth Mapping Resources Initiative (Earth MRI), Bureau of Land Management (BLM), United States, *Mineral regions used (mineral region, mining district, area), natural resource exploration, metallic mineral resources, *Mine features used (open pit, underground working etc.), mineral resources, *deposit types in database, farming, utilitiesCommunication, data release, USGS Mineral Deposit Database (USMIN), Department of the Interior (DOI), mineral deposits, Geology, Geophysics, and Geochemistry Science Center (GGGSC), U.S. Geological Survey (USGS)
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