Mine detail: FMC Granger Mine

Previously called 'TGS, Blacks Fork Trona Mine (TG Soda Ash), Texasgulf - Trona, Texasgulf Trona, TG Soda Ash, Inc., Texas Gulf Sulphur Corp.Blacks Fork Trona Mine, Black Fork Trona Project, Wyoming Soda Ash Project, Texasgulf Soda Ash Mine, Texasgulf Soda Ash Project Mine, Texas Gulf Sulphur Company, Wyoming Soda Ash Operation of Texasgulf, Inc., Granger Mine, Texasgulf Mill'

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Location

Lat / long:

41.67883, -109.90574

Resource(N)

Primary:	Sodium
Tertiary:	Halite, Oil Shale
Ore:	Trona, Oil Shale, Halite
Gangue:	Calcite, Dolomite, Gaylussite, Nahcolite
Orebody form:	tabular: blanket
Discovery year:	1938

Production

Operation type:	Underground
Development status:	Producer

Geology

Host rock:	Green River Formation, Wilkins Peak Member: Trona and evaporite bearing strata.
Host type:	Evaporite

References

MAS	560370029
DEP	10254740
Reference	{Deposit:: USBM Minerals Yerbook, 1978-1979, v. 2, p. 592, 593.}{Deposit:: Root, F.K., Glass, G.B., and Lane, D.W., 1973, Sweetwater County, Woming--Geologic map atlas and summary of economic mineral resources: Geological Survey of Wyoming, County Resource Series No. 2, scale 1:500,000. [plate of Trona uranium, and other minerals]}{Deposit:: PARKER, R.B.,1971, CONTRIBUTIONS TO GEOLOGY, TRONA ISSUE, UNIV. OF WYOMING, V. 10, N. 1.}
Reporter	South Dakota School of Mines, Intermountain Field Operations Center (IFOC), Wilson, Anna B.