List of Earth MRI focus areas with mineral system = Porphyry Sn (granite-related)

Porphyry Sn (granite-related)

Granite-related porphyry Sn systems form in back arc or hinterland settings by similar processes from fluids exsolved from more crustally contaminated S-type peraluminous plutons and stocks. At deep levels, LCT pegmatites emanate from plutons. Resulting ore deposits tend to be Cu and Mo poor and enriched in Li, Cs, Ta, Nb, Sn, W, Ag, Sb and In.

Color on map:

Deposit types

Name	Commodities	Critical minerals
Pegmatite LCT	Li-Cs-Ta	Li, Cs, Ta, Nb, Sn, Be, Sc
Greisen	Sn, W, Be	Sn, W, Be, Sc
Porphyry/skarn	Sn, W, Be	Sn, W, Be, Sc
Polymetallic sulfide S-R-V-IS	Cu, Zn, Pb, Ag, Au	Sn, Mn, Ge, Ga, In, Bi, Sb, As
Distal disseminated silver-gold	Ag, Au	Sb, As
High sulfidation	Cu, Ag, Au	Sn, Sb, As, Te, Bi
Lithocap alunite	Al, K2SO4 (potash)	Al, K2SO4, Ga
Lithocap kaolinite	Kaolin	Ga

References

Panteleyev, A., 1996, Sn-Ag veins, in Lefebure, D.V. and Hõy, T., eds., Selected British Columbia mineral deposit profiles, volume 2--Metallic deposits: British Columbia Ministry of Employment and Investment, Open File 1996-13, p. 45-48.
Sillitoe, R.H., Steele, G.B., Thompson, J.F.H., and Lang, J.R., 1998, Advanced argillic lithocaps in the Bolivian tin-silver belt: Mineralium Deposita, v. 33, no. 6, p. 539-546. [Also available at https://doi.org/10.1007/s001260050170.]
Černý, P., and Ercit, T.S., 2005, The classification of granitic pegmatites revisited: Canadian Mineralogist, v. 43, no. 6, p. 2005-2026, accessed April 18, 2020, at https://doi.org/10.2113/gscanmin.43.6.2005.
Martin, R.F., and De Vito, C., 2005, The patterns of enrichment in felsic pegmatites ultimately depend on tectonic setting: Canadian Mineralogist, v. 43, no. 6, p. 2027-2048. [Also available at https://doi.org/10.2113/gscanmin.43.6.2027.]
London, D., 2008, Pegmatites: The Canadian Mineralogist, Special Publication 10, 347 p.
London, D., 2016, Rare-element granitic pegmatites, chap. 8 of Verplanck, P.L, and Hitzman, M.W., eds., Reviews in economic geology, volume 18--Rare earth and critical elements in ore deposits: Littleton, Colo., Society of Economic Geologists, Inc., p. 165-194.
Bradley, D.C., McCauley, A.D., and Stillings, L.M., 2017a, Mineral-deposit model for lithium-cesium-tantalum pegmatites: U.S. Geological Survey Scientific Investigations Report 2010-5070-O, 48 p., accessed April 18, 2020, at https://doi.org/10.3133/sir20105070O.
Kamilli, 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--Economic and environmental geology and prospects for future supply: U.S. Geological Survey Professional Paper 1802, p. S1-S53, accessed April 18, 2020, at https://doi.org/10.3133/pp1802S.
Hulsbosch, N., 2019, Nb-0Ta-Sn-W distribution in granite‐related ore systems--Fractionation mechanisms and examples from the Karagwe‐Ankole Belt of Central Africa, chap. 4 of Decrée, S., and Rob, l., eds., Ore deposits--Origin, exploration, and exploitation: American Geophysical Union, Geophysical Monograph 242, p. 75-107.
Wang, Z., Li, M.Y.H., Liu, Z.R.R., and Zhou, M.F., 2021, Scandium--Ore deposits, the pivotal role of magmatic enrichment and future exploration: Ore Geology Reviews, v. 128, article no. 103906, accessed April 12, 2021, at https://doi.org/10.1016/j.oregeorev.2020.103906.

Source: Hofstra, A.H., and Kreiner, D.C., 2020, Systems-Deposits-Commodities-Critical Minerals Table for the Earth Mapping Resources Initiative: U.S. Geological Survey Open-File Report 2020-1042, 24 p., https://doi.org/10.3133/ofr20201042.

List of Earth MRI focus areas with mineral system = Porphyry Sn (granite-related)

54 focus areas match these criteria.

Focus area	Region	States	Mineral Systems	Deposit types	Commodities
Central Brooks Range Sn-W	Alaska	Alaska	Porphyry Sn (granite-related)	Greisen; Pegmatite LCT; Porphyry/skarn	molybdenum
Darby-Hogatza Sn-W	Alaska	Alaska	Porphyry Sn (granite-related)	Greisen; Pegmatite LCT; Porphyry/skarn	molybdenum
Kokrines-Hodzana Sn-W	Alaska	Alaska	Porphyry Sn (granite-related)	Greisen; Pegmatite LCT; Porphyry/skarn	molybdenum
Kuskokwim-White Mountains Sn-W	Alaska	Alaska	Porphyry Sn (granite-related)	Greisen; Pegmatite LCT; Porphyry/skarn	molybdenum
Lost River-Kougarok Sn-W	Alaska	Alaska	Porphyry Sn (granite-related)	Greisen; Pegmatite LCT; Porphyry/skarn	molybdenum
Northern Alaska Range Sn-W	Alaska	Alaska	Porphyry Sn (granite-related)	Greisen; Pegmatite LCT; Porphyry/skarn	molybdenum
Porcupine River Sn-W	Alaska	Alaska	Porphyry Sn (granite-related)	Greisen; Pegmatite LCT; Porphyry/skarn	molybdenum
Yukon-Tanana Sn-W	Alaska	Alaska	Porphyry Sn (granite-related)	Greisen; Pegmatite LCT; Porphyry/skarn	molybdenum
Animikie Red Ace Pegmatite	North Central	Wisconsin	Porphyry Sn (granite-related)	Pegmatite LCT	(none)
Archean gneiss terranes	North Central	Iowa; Michigan; Minnesota; Nebraska; South Dakota; Wisconsin	Porphyry Sn (granite-related)	Pegmatite LCT; Porphyry/skarn	(none)
Humboldt Granite	North Central	Michigan	Porphyry Sn (granite-related)	Porphyry/skarn	(none)
Minnesota Quetico Province	North Central	Minnesota; North Dakota	Porphyry Sn (granite-related)	Pegmatite LCT; Porphyry/skarn	(none)
Neoarchean Greenstone Belts of Minnesota, North Dakota and South Dakota	North Central	Minnesota; North Dakota; South Dakota	Porphyry Sn (granite-related)	Pegmatite LCT	(none)
Southern Black Hills pegmatites	North Central	South Dakota	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar; mica
Southern Complex pegmatites	North Central	Michigan	Porphyry Sn (granite-related)	Pegmatite LCT	(none)
Brunswick pegmatite field	Northeast	Maine	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar; mica
Connecticut pegmatites	Northeast	Connecticut	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar; gold; mica; silver
Drew Hill antimony prospect	Northeast	Maine	Porphyry Sn (granite-related)	Polymetallic sulfide S-R-V-IS	cadmium; copper; gold; lead; silver
Gouldsboro antimony prospect	Northeast	Maine	Porphyry Sn (granite-related)	Polymetallic sulfide S-R-V-IS	copper; gold; lead; silver
Grafton Pegmatite District	Northeast	New Hampshire	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar; gold; mica; silver
Keene Pegmatite District	Northeast	New Hampshire	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar; gold; mica; silver
Knox Mountain pluton	Northeast	Vermont	Porphyry Sn (granite-related)	Porphyry/skarn	(none)
Lewiston area metasediments	Northeast	Maine	Porphyry Sn (granite-related)	Porphyry/skarn	(none)
Massachusetts pegmatite	Northeast	Massachusetts	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar; mica
Oxford County pegmatite field	Northeast	Maine; New Hampshire	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar
Parker Mountain pegmatite	Northeast	New Hampshire	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar; mica
Raymond Pegmatite District	Northeast	New Hampshire	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar; mica
Tin in Eastern Maine	Northeast	Maine	Porphyry Sn (granite-related)	Greisen	(none)
Topsham pegmatite district	Northeast	Maine	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar; gems; gold; mica; silver
Topsham tungsten	Northeast	Maine	Porphyry Sn (granite-related)	Porphyry/skarn	(none)
Western Maine scheelite	Northeast	Maine	Porphyry Sn (granite-related)	Porphyry/skarn	(none)
York County scheelite	Northeast	Maine; New Hampshire	Porphyry Sn (granite-related)	Porphyry/skarn	lead; molybdenum; silver
NW Idaho-NE Washington beryllium	Northwest	Idaho; Washington	Porphyry Sn (granite-related)	Pegmatite LCT	(none)
Philips Lake	Northwest	Washington	Porphyry Sn (granite-related)	Pegmatite LCT	(none)
Silver Hill tin	Northwest	Washington	Porphyry Sn (granite-related)	Porphyry/skarn	lead; silver
Brown Derby	Rocky Mountains	Colorado	Porphyry Sn (granite-related)	Pegmatite LCT	mica
Copper Mountain	Rocky Mountains	Wyoming	Porphyry Sn (granite-related)	Greisen; High sulfidation; Pegmatite LCT; Porphyry/skarn	copper; gold; silver
Meyers Ranch	Rocky Mountains	Colorado	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar; mica; thorium; uranium
Alabama pegmatite zone	Southeast	Alabama	Porphyry Sn (granite-related)	Pegmatite LCT	(none)
Irish Creek Tin District	Southeast	Virginia	Porphyry Sn (granite-related)	Greisen	(none)
Kings Mountain pegmatite district	Southeast	North Carolina; South Carolina	Porphyry Sn (granite-related)	Pegmatite LCT	(none)
Little Friar Mountain pegmatite	Southeast	Virginia	Porphyry Sn (granite-related)	Pegmatite LCT	(none)
North Carolina pegmatite zone	Southeast	North Carolina; Tennessee	Porphyry Sn (granite-related)	Pegmatite LCT	(none)
Spruce Pine Area	Southeast	North Carolina	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar; high purity quartz; mica
Virginia pegmatite zone-Amelia County	Southeast	Virginia	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar; high purity quartz; mica
Zirconia Pegmatite Mining District	Southeast	North Carolina; South Carolina	Porphyry Sn (granite-related)	Pegmatite LCT	feldspar
Birch Creek	Southwest	California	Porphyry Sn (granite-related)	Greisen; Pegmatite LCT	copper; gold; lead; silver
Cal Blue Mine	Southwest	California	Porphyry Sn (granite-related)	Pegmatite LCT	(none)
Peninsular Ranges pegmatites	Southwest	California	Porphyry Sn (granite-related)	Pegmatite LCT	boron
Precambrian Franklin Mountain tin	Southwest	Texas	Porphyry Sn (granite-related)	Polymetallic sulfide S-R-V-IS	copper; gold; lead; silver
Rociada	Southwest	New Mexico	Porphyry Sn (granite-related)	Pegmatite LCT	(none)
Trinity Range-Kamma Mountains	Southwest	Nevada	Porphyry Sn (granite-related)	Polymetallic sulfide S-R-V-IS	copper; gold; lead; silver
White Picacho	Southwest	Arizona	Porphyry Sn (granite-related)	Pegmatite LCT	copper; feldspar; gold; lead; mica; molybdenum; silver
Gorman tin district	Southwest	California	Porphyry Sn (granite-related)	Polymetallic sulfide S-R-V-IS	copper; gold; iron; lead; molybdenum; silver