Mine detail: Strawn Mine

Previously called ''

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Location

Lat / long:

45.66657, -112.13226

Resource(M)

Primary:	Gold, Silver
Gangue:	Hematite, Quartz, Stibnite
Orebody form:	IRREGULAR
Discovery year:	1921

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Past Producer
Production years:	1921-1942

Geology

Host rock:	Meagher;Pony Gneiss
Host type:	Dolomite
Associated rock:	Altered Basic Intrusive
Associated type:	Basalt
Structure:	Bismark Fault Trends N45 To 50w, Dipping Near Vertical., Post-Ore Faults, Up On East. Strawn Fault Trends N10e, 80w.
Tectonic:	Tobacco Root Batholith, West Margin
Alteration processes:	Brecciation, Silicification, Oxidation

References

MRDS	DC11365
DEP	10019752
Reference	{Deposit:: MBMG MEM 9, P. 38.}{Deposit:: USBM IC 6972, P. 70.}{Deposit:: REYNER, M.L., 1950, DIRECTORY OF MONTANA MINING PROPERTIES, 1949: MONTANA BUREAU OF MINES AND GEOLOGY MEMOIR 31, P. 71.}{Deposit:: REID, R.P., 1957, BEDROCK GEOLOGY OF THE NORTH END OF THE TOBACCO ROOT MOUNTAINS, MADISON COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY MEMOIR 36, 25 P.}{Deposit:: HOGBERG, R.K., PRIVATE COMPANY REPORT, 1963}{Deposit:: 1957 GEOLMAP MBMG MEMOIR 36}{Production:: HOGBERG, 1963,PRIVATE CO. REPORT}
Reporter	Loen, Jeffrey S. (Pearson, Robert C.), Unknown