Mine detail: Big Step Prospect

Previously called ''

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Location

Lat / long:

48.42316, -116.90527

Resource(M)

Primary:	Gold, Zinc, Lead, Silver
Secondary:	Copper, Molybdenum
Ore:	Argentite, Sphalerite
Gangue:	Calcite, Pyrite, Quartz, Sericite
Orebody form:	MASSES AND STRINGERS
Discovery year:	1950

Production

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

Geology

Host type:	Quartz Monzonite,Diorite,Pegmatite,Granite
Associated rock:	Kaniksu Batholith-Granodiorite Porphyry;Quartz Monzonite
Associated type:	Quartz Monzonite,Diorite,Pegmatite,Granite
Structure:	Complex Faulting; Ore Shoot Sheared And Disturbed; Gouge Zones; Both Pre - And Post - Mineral Movement.
Tectonic:	Miogeosyncline
Alteration processes:	Saussuritization? Pyritization Silicification, Kaolinization, Sericitization, Bleaching By Hydrothermal Alteration

References

MRDS	W007751
DEP	10069949
Reference	{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:: SAVAGE, C. N., 1962, BIG STEP SILVER PROSPECT: IDAHO BUREAU OF MINES AND GEOLOGY OPEN - FILE REPORT.}{Deposit:: 1963 DIREXPL PHELPS DODGE CORP.}{Deposit:: 1963 GEOPHYS PHELPS DODGE CORP.}{Deposit:: 1967 GEOLMAP IDAHO BUREAU OF MINES & GEOL. CO. REPT. 6}
Reporter	Miller, Pat J.