Speer, J.Alexander.,(1987) Evolution of magmatic AFM mineral assemblages in granitoid rocks :The hornblende+melt = biotite reaction in the Liberty Hill pluton, South Carolina :American Mineralogist,Vol. 72, pg. 863-878 ,1987

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	*Beste, Bob (2005) Location Guide for Rockhounds in the United States* (3rd ed.) Vol. 3 - Part III - Ohio through Wyoming.**	Book (volume)
	ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA
	*Beste, Bob (1996) Location Guide for Rockhounds in the United States* (2nd ed.) Vol. 3 - Part III - Ohio to Wyoming.**	Book (volume)
	ASHTABULA COUNTY CONNEAUT, area pits, quarries, rd. cuts, etc.⎯cone-in-cone Calcite. CLERMONT COUNTY MILFORD...CLINTON COUNTY WILMINGTON, area of Todd’s Ford, a mineral deposit⎯Hematite. COSHOCTON COUNTY AREA, townships...CUYAHOGA COUNTY CHAGRIN FALLS (on Geauga Co. line), area quarries⎯oilstone. DELAWARE COUNTY DELAWARE...nodules⎯Pyrite (crystals sharply cubic). FRANKLIN COUNTY COLUMBUS, area countywide exposures of blue clay...HIGHLAND COUNTY SINKING SPRING, area ore deposit (most important in Ohio) ⎯Hematite. HOCKING COUNTY AREA
	*(2014) Mineral Collections in Colorado (supplement) The Mineralogical Record* Vol. 45 (6.1) The Mineralogical Record, Inc.**	Journal (issue)
	By 1864 his expertise had brought him to Gilpin County, Colorado, where his reputation as a consultant...~ ) I~,. ~~ _ "f'• 0istrict, , ~ ,;:: V County , Colorado . l'fJ 1/ {r-zr--D '/;"~ of 2000...name of the lade or mine, the mining district and county, and the assay results for gold and silver content...breathless comments (excerpted from the Boulder County News) in 1878: Prof. J. Alden Smith, of tbis town...of the most productive telluride mines in tbis county from the time of its discovery, and having been
	*Hayes, Timothy S., Miller, M. Michael, Orris, Greta J., Piatak, Nadine M. (2017) Fluorine. Professional Paper* Vol. 1802 (1802g) US Geological Survey doi:10.3133/pp1802g**	Report (issue)
	part per million REE rare-earth element SAMREC South African Code for Reporting Exploration Results ...order of the amount imported, Mexico, China, and South Africa. Geologically, in igneous systems, fluorine...the element; they are bastnaesite (also spelled bastnäsite) and other fluorocarbonates, cryolite, sellaite...ed epithermal veins; and the Nokeng project in South Africa, which is also related to a strongly differentiated...northwestern Australia, Nevada (United States), Norway, South Africa, and Sweden have been identified and could
	*(2017) Critical mineral resources of the United States—Economic and environmental geology and prospects for future supply. Professional Paper* 1802. US Geological Survey doi:10.3133/pp1802**	Report (issue)
	niobium in Brazil; and platinum-group elements in South Africa and Russia), thus increasing the risk for...L11 Photograph of the Mamatwan open pit mine in South Africa............................................southern Quebec, Canada, and a schematic north-south crosssection along line A– A’ in A................Rustenburg Layered Suite of the Bushveld Complex, South Africa, the surface trace of significant orebodies...Mine in the western part of the Bushveld Complex, South Africa.........................................

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Bastnäsite from Fairfield County, South Carolina, USA

Bastnäsite from
Fairfield County, South Carolina, USA