Mine detail: Dayrock Mine

Previously called 'Option MineMc Phillips GroupStratten MinePanhandle Mine'

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Location

Lat / long:

47.51157, -115.90322

Resource(M)

Primary:	Zinc, Lead, Silver
Secondary:	Copper
Tertiary:	Gold
Ore:	Galena, Sphalerite, Chalcopyrite, Tetrahedrite
Gangue:	Quartz, Siderite, Ankerite, Calcite, Pyrite, Sericite
Orebody form:	PINCH AND SWELL

Production

Operation type:	Underground
Deposit type:	HYDROTHERMAL VEIN AND REPLACEMENT
Production size:	Medium
Development status:	Past Producer
Production years:	1924-1931, 1935-1962, 1965-1974
First production started:	1924
Last production ended:	1974

Geology

Host rock:	St. Regis Formation, Revett Formation
Host type:	Quartzite
Structure:	Most orebodies found between the Dobson Pass and Murray Faults
Tectonic:	Belt Basin

References

MRDS	W026653
DEP	10078360
Reference	{Deposit:: CAMPBELL, A. B., COLSON, J. B., AND OTHERS, 1961 , GUIDEBOOK TO THE GEOLOGY OF THE COEUR *LENE MINING DISTRICT: IDAHO BUREAU OF MINES BULL. 16}{Deposit:: FRYKLUND, V. C., JR., 1964 , ORE DEPOSITS OF THE COEUR *LENE DISTRICT, SHOSHONE COUNTY, IDAHO: USGS PROF. PAPER 445 , 103 P.}{Deposit:: GRIGGS, A. B., 1952 , GEOLOGY AND NOTES ON ORE DEPOSITS IN CANYON-NINE MILE CREEKS AREA, SHOSHONE COUNTY, IDAHO: USGS OPEN - FILE REPT., 108 P.}{Geology:: Hobbs, S. W., And Others, 1965 , Geology Of The Coeur *lene District, Shoshone County, Idaho: USGS Prof. Paper 478 , 139 P.}
Reporter	Long, Keith R., Kauffman, John D., Miller, Pat J.