Mine detail: Winkelman Group

Previously called 'Copper Butte Group'

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Location

Lat / long:

38.49441, -112.29272

Resource(B)

Primary:	Aluminum, Potassium
Tertiary:	Copper, Uranium
Ore:	Alunite, Chalcopyrite, Torbernite
Gangue:	Chalcedony
Orebody form:	IRREGULAR , VERTICAL PLUGS WITH FLAT BASES
Discovery year:	1915

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Past Producer
First production started:	1918

Geology

Host rock:	Bullion Canyon Volcanics
Host type:	Latite
Associated type:	Latite
Structure:	Callaghan ( 1973 ) Say The Locality Is In Line With The Tushar Fault.
Alteration processes:	Alunitization And Silicification

References

MRDS	D002001
DEP	10101420
Reference	{Analytical Data:: SRC.REF: THOENEN, J. R., 1941 , USBM R. I. 3561 , P. 28 .}{Deposit:: CALLAGHAN, E., 1938 , PRELIMINARY REPORT ON THE ALUNITE DEPOSITS OF THE MARYSVALE REGION, UTAH: USGS BULL. 886 -D, P. 125 .}{Deposit:: CALLAGHAN, E., 1973 , MINERAL RESOURCE POTENTIAL OF PIUTE COUNTY, UTAH AND ADJOINING AREA: UTAH GEOL. AND MINERALOG. SURVEY BULL. 102 , P. 83 - 85 .}{Deposit:: HILD, J. H., 1946 , EXPLORATION OF ALUNITE DEPOSITS, MARYSVALE, PIUTE COUNTY, UTAH: USBM R. I. 3972 , P. 10 .}{Deposit:: THOENEN, J. R., 1941 , ALUNITE RESOURCES OF THE UNITED STATES: USBM REPT. INV. 3561 , P. 28 , 38 .}{Deposit:: KERR, P.F., AND OTHERS, 1957, MARYSVALE, UTAH, URANIUM AREA: GEOLOGICAL SOCIETY OF AMERICA SPECIAL PAPER 64, 166-168.}{Deposit:: 1918 DIREXPL AL. POTASH CO. OF AM.: PROD}{Deposit:: 1938 RECON E. CALLAGHAN: BULL. 886-D}{Deposit:: 1940 DIREXPL USBM R. I. 3561}{Deposit:: 1942 GEOLMAP M. E. WILLARD: UTAH GEOL. AND MINERALOG. SURVEY BULL. 102 , FIG. 49 .}{Production:: CALLAGHAN, E., 1973 , UTAH GEOL. AND MINERALOG. SURVEY BULL. 102 , P. 83 .}
Reporter	Hall, Robert B., Starritt, Bruce C.