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Gold Hill Mine (Western Utah Mine), Gold Hill, Gold Hill District (Clifton District), Deep Creek Mts, Tooele Co., Utah, USA

This page kindly sponsored by Douglas Merson
 
 
A former As-Cu-Au-Pb-Ag-Zn-W-Ba (baryte) mine located in sec. 6, T8S, R17W, SLM, (6800 feet, S78E of Gold Hill Town Road intersection), about 30 miles SW of Wendover, Utah, on private (patented) land within a Bureau of Land Management administered area. Owned by ASARCO (American Smelting and Refining Co.) (100.00%), Utah (1976). MRDS database stated accuracy for this location is 100 meters. Property closed in January, 1945. The ore bodies are exhausted.

This mine is famous for an assemblage of secondary minerals of copper and other metals.

Mineralization is Late Jurassic in age and is hosted in Ochre Mountain Limestone; Manning Canyon Formation (Dark quartzite, black shale).

The Ore body (first ?) is pad (pod ?)/lenticular in form, strikes N45W and dips 67E. The depth-to-bottom is 274.32 meters and the length is 91.44 meters. The ore body (second ?) strikes N40W and dips 45E at a thickness of 1 meter, dpeth-to-top of 100 meters, a width of 214 meters, and a length of 100 meters. The ore bodies are: 1.) tabular/replacement; and, 2.) fissure vein. THe origin is hydrothermal. Primary ore control was lithology and secondary was faulting. Wallrock alteration is moderate [1.) carbonate silic; 2.) carbonitization]. Controls for ore emplacement were easily replaceable Limestone beds; fissuring within a favorable limestone bed; but limited by the dike and quartz monzonite wedges. The altered limestone contains white, bladed wollastonite, green-brown garnet, zoisite, and diopside. Granite occurring in small bodies is heavily faulted. Local alteration includes the oxidation of metallics. Local rocks include Pennsylvanian and Permian sedimentary rocks in western Utah.

Geologic structures include:
Regional: quartz-monzonite stock surrounding the sedimentary rocks; Ochre Mountain thrust about 3 miles to the W.
Local: Limestone beds strike NW, dipping vertical to 45E. A bed of jasperoid occurs along the shale-limestone contact.

Workings include underground openings with an overall depth of 274.32 meters, overall length of 91.44 meters and an overall width of 60.96 meters. Workings are on 6 levels (150, 300, 400, 600, 700; and 760 feet). There are 2 main shafts with several other shafts between levels. Estimated workings are some 8,000 feet of development.

This mine had the largest As reserves in the U.S. (1924). The decrease in the price of As in 1925 resulted in a shutdown. As production occurred during the period 1919-1923.

Analytical data results: 2.98% Cu; 4.33 ounces/ton Ag (Au ??); 5.62% Pb; 7.98 ounces/ton Ag.

Mineral List

Mineral list contains entries from the region specified including sub-localities


173 entries listed. 102 valid minerals. 2 (TL) - type locality of valid minerals.

Localities in this Region

USA

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Thirty Third Congress (1855), Reconnaisance U.S. Pacific Railroad Exploration Report.

Gilbert, G.K. (1875), U.S. Geographic & Geologic Surveys, W. 100th Meridian Report, Volume 3.

Hague, Arnold & Emmons (1877), U.S. Geological Explorations 40th Parallel Report, Volume 2.

Gilbert, G.K. (1890), USGS Monograph 1, Geologic map.

Blake, W.P. (1892), Age of the Limestone Strata of Deep Creek, Utah, American Geology: volume 91; Engineering & Mining Journal, volume 53.

Nolan, T.B. (1935), The Gold Hill Mining District, Utah: USGS Professional Paper 177, 172 p.: 152.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 810.

Heyl, A.V. (1963), Oxidized Zinc Deposits of the United States - part 2, Utah, USGS Bulletin 1135-B.

Shatoury, E.L. (1970), Mineralization in the Gold Hill Mining District, Tooele County, Utah, Utah Geological and Mining Survey, Bulletin 83.

American Mineralogist (1971): 56: 1359.

Mineralogical Record (1971): 2(5): 212-213.

Kokinos, M. and Wise, W.S. (1993), Famous Mineral Localities: the Gold Hill mine, Tooele County, Utah. Mineralogical Record: 24(1): 11-22.

Mineral News (1997): 13(9): 1.

Kampf, A. R.; Wise, W. S.; Rossman, G. R. (2000): Juanitaite: A new mineral from Gold Hill, Utah. Mineralogical Record: 31: 301-305.

USGS (2005), Mineral Resources Data System (MRDS): U.S. Geological Survey, Reston, Virginia, loc. file ID #10021179 & 10155095.

Viñals, J., Jambor, J.L., Raudsepp, M., Roberts, A.C., Grice. J.D., Kokinos, M., Wise, W.S. (2008): Barahonaite-(Al) and barahonaite-(Fe), new Ca-Cu arsenate mineral species, from Murcia Province, southeastern Spain, and Gold Hill, Utah. Canadian Mineralogist: 46: 205-217.

U.S. Bureau of Mines, Minerals Availability System (MAS) file ID #0490450059.

Anthony, Bideaux, Bladh, Nichols: Handbook of Mineralogy, Vol. IV.

Mineralogical Magazine: 56: 71-73.

Minerals and Mineral Localities of Utah, UGMS Bull 117.

U.S. Congress, First Session, House Ex. Document 1: Volume 18, Part 2.

Mineral and/or Locality  
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