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  "Title": "Rare Earth Element Occurences in the United States",
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  "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, both globally, and in particular, in the United States. As described in USGS Professional Paper 1802, the United States continues to become more dependent on imports to meet the domestic demands for an increasing number of mineral commodities (Schulz and others, 2017). 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.\n\t\n The rare earth elements (REEs) represent a prime example of a \u201ccritical mineral resource\u201d. In the 21st century, the REEs have gained visibility due to: (1) the recognition of the essential, specialized properties that REEs contribute to modern technology, as well as (2) China's dominance in production and supply of the REEs, and (3) international dependence on China for the majority of the world's REE supply. Since the late 1990s, China has provided 85\u201395 percent of the world\u2019s REEs, while the United States and other nations are highly dependent on REEs for their use in high technology devices, clean energy components, and defense technologies.\n\t\n This dataset was compiled to provide base layers of information that identify and describe the known REE deposits, prospects, and showings in the United States. This compilation is intended to contribute to our geologic understanding of REE deposits in the United States, and to assist in evaluating their resource potential.\n\nSchulz, K.J., DeYoung, J.H., Jr., Seal, R.R., II, and Bradley, D.C., eds., 2017, Critical mineral resources of the United States\u2014Economic and environmental geology and prospects for future supply: U.S. Geological Survey Professional Paper 1802, 797 p., http://doi.org/10.3133/pp1802.\n",
  "Subject": "This data release provides descriptions of more than 200 mineral districts, mines, and mineral occurrences within the United States",
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  "Keywords": "rare earth elements, Mineral Resources Program, economy, economy, BLM, mine, holmium, GGGSC, South Carolina, dysprosium, Missouri, mineral deposit type, surface workings, and Geochemistry Science Center, Nevada, mineral deposit areas, mineral commodity, praseodymium, open pit mine, Texas, geographic information systems, lutetium, yttrium, geospatial datasets, Arkansas, USGS Mineral Deposit Database, critical mineral, Wyoming, USGS, thulium, Nebraska, North Carolina, neodymium, geoscientificInformation, geoscientificInformation, terbium, United States, mineral resources, New Mexico, New York, Georgia, natural resource exploration, Arizona, Geophysics, U.S. Geological Survey, ytterbium, Colorado, New Jersey, Montana, mineral deposits, europium, Virginia, Florida, location, rare earth elements, Geology, lanthanum, underground workings, California, Illinois, Bureau of Land Management, cerium, economic geology, erbium, gadolinium, Alaska, MRP, Tennessee, Idaho, samarium, location, mineral occurrence, mine sites"
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