Mine detail: Idaho Mine

Previously called 'Midnight No. 1, MS 19646Idaho No. 2, MS 18321Valley View, MS 18321Patented Claims: Gertrude, MS 16616Cathryn, MS 16616Hartford, MS 17108Lord Kitchner, MS 17108Good Hopes, MS 17124Sunrise, MS 17124Idaho Mill Site, MS 18320Alpine, MS 18321Idaho No. 1, MS 18321Pay Day, MS 19516aPay Day Mill Site, MS 19516bMidnight No. 2, MS 19646Unpatented Claims: ArizonaHappyNest Egg'

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Location

Lat / long:

37.3539, -108.07509

Resource(M)

Primary:	Gold, Silver
Secondary:	Lead, Copper
Tertiary:	Zinc, Mercury, Antimony, Tellurium
Ore:	Bromyrite, Calaverite, Cerargyrite, Chalcopyrite, Galena, Krennerite, Petzite, Pyrite, Sphalerite, Sylvanite
Gangue:	Barite, Calcite, Quartz
Discovery year:	1902

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1903
Last production ended:	1938

Geology

Host rock:	Entrada Sandstone;Pony Express Limestone Member Of Wanakah Formation
Host type:	Sandstone,Limestone
Associated rock:	Porphyritic Rocks--Diorite-Monzonite Porphyry
Associated type:	Diorite
Structure:	San Juan Uplift, Four Corners Platform, La Plata Dome, Idaho-May Day Fault System
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010824
DEP	10014168
Reference	{Deposit:: ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 73-76, 143-149, PLS. 25, 26.}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Deposit:: BLM MINERAL SURVEYS MS 16616, 17108, 17124, 18320, 18321, 19516A&B, 19646}{Production:: ECKEL AND OTHERS, 1949, P. 144 (AS COMPILED FROM USGS AND USBM RECORDS); COLORADO DIV. MINES ANNUAL OPERATOR REPTS.}
Reporter	Schwochow, Stephen D.