Mine detail: Dougherty Prospect

Previously called ''

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Location

Lat / long:

48.41127, -116.13525

Resource(M)

Tertiary:	Copper, Lead
Ore:	Galena
Gangue:	Biotite, Garnet, Hornblende, Pyrite, Quartz
Orebody form:	TABULAR
Discovery year:	1890

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Prichard Formation-Quartzite
Host type:	Diorite,Quartzite
Associated rock:	Purcell Sill-Quartz Diorite
Associated type:	Diorite
Structure:	On W Limb Dipping 15 Deg E Of Large Syncline Whose Axis Is In Montana, Granodiorite Stock And 2 Small Porphyry Dikes Nearby
Tectonic:	Miogeosyncline
Alteration processes:	Silicification; Epidote, Biotite, Hornblende, Garnet

References

MRDS	W007737
DEP	10096208
Reference	{Deposit:: ANDERSON, A. L., 1930, GEOLOGY AND ORE DEPOSITS OF THE CLARK FORK DISTRICT, IDAHO: IDAHO BUREAU OF MINES AND GEOLOGY BULL., NO. 12, 132 P.}{Deposit:: SAVAGE, C. N., 1967, GEOLOGY AND MINERAL DEPOSITS OF BONNER COUNTY: IDAHO BUREAU OF MINES AND GEOLOGY COUNTY REPORT, NO. 6, 131 P.}{Deposit:: 1930 GEOLMAP IDAHO BUREAU OF MINES & GEOL. BULL. 12}{Deposit:: 1967 GEOLMAP IDAHO BUREAU OF MINES & GEOL. CO. REPT. 6}
Reporter	Miller, Pat J.