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  "Title": "Tin Deposits in the United States",
  "Author": "Karl, N.A., Burger, M.H., Long, K.R.",
  "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 (Schulz and others, 2017) 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.\n\nTin has been identified as a critical and strategic mineral in the Draft List of critical minerals by the USGS. Tin has a primary application for solder as well as flat-panel displays (indium-tin-oxide), where the top producer is China and the top supplier is Peru (U.S. Geological Survey, 2018). While tin is present in greisen, pegmatite, placer, and skarn deposits in the United States, the United States has not mined or smelted tin since 1993 and 1989, respectively. Recycling of tin occurs in the United States, where in 2017, 25 percent of the apparent consumption of tin was derived. The recycled material does not meet the United States demand for tin, and for this reason, the United States is reliant on tin resources of approximately 75 percent of net import reliance as a percentage of apparent consumption (U.S. Geological Survey, 2018b).\n\nThis dataset was compiled to provide base layers of information that identify and describe the known tin deposits in the United States. This compilation is intended to contribute to our geologic understanding of tin deposits in the United States, and to assist in evaluating their resource potential.\n\nKamilli, R.J., Kimball, B.E., and Carlin, J.F., Jr., 2017, Tin, chap. S of Schulz, K.J., DeYoung, J.H., Jr., Seal, R.R., II, and Bradley, D.C., eds., Critical mineral resources of the United States\u2014Economic and environmental geology and prospects for future supply: U.S. Geological Survey Professional Paper 1802, p. S1\u2013S53, https://doi.org/10.3133/ pp1802S.\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\nU.S. Geological Survey, 2018, Draft list of critical minerals: Federal Register vol. 83, no. 33, p. 7065-7068, https://www.federalregister.gov/d/2018-03219\n\nU.S. Geological Survey, 2018b, Mineral commodity summaries 2018: U.S. Geological Survey, 200 p., https://doi.org/10.3133/70194932.",
  "Subject": "This data release provides descriptions of mineral regions, mines, and mineral deposits in the U.S. containing tin (Sn)",
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  "Keywords": "lead, geoscientificInformation, molybdenum, cerium, Washington, lithium, Colorado, tungsten, gold, California, Bureau of Land Management, fluorite, mineral deposit areas, underground workings, zinc, mica, lanthanum, rare earth elements, thorium, platinum-group elements, location, uranium, Texas, USGS Mineral Deposit Database, mineral commodity, U.S. Geological Survey, arsenic, mineral resources, tin, mineral deposit type, South Dakota, cassiterite, BLM, phosphorus pentoxide, beryllium, economic geology, Wyoming, mercury, mineral occurrence, Alaska, iron, open pit mine, tantalum, niobium, rhenium, bismuth, Alabama, mineral deposits, copper, silver, USGS, zirconium, tantalum-niobium, samarium, geospatial datasets, United States, titanium, mine, feldspar, New Mexico, Virginia, natural resource exploration, mine sites"
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