The Mountain Chief Mine is a gold and silver mine located in Boise county, Idaho at an elevation of 6,001 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 6,001 Feet (1,829 Meters)
Commodity: Gold, Silver
Lat, Long: 43.93778, -116.02806
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Mountain Chief Mine MRDS details
Site Name
Primary: Mountain Chief Mine
Commodity
Primary: Gold
Primary: Silver
Tertiary: Zinc
Tertiary: Lead
Tertiary: Antimony
Tertiary: Bismuth
Location
State: Idaho
County: Boise
District: Boise Basin
Land Status
Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Administrative Organization: Boise National Forest
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: National Mining And Development Co.
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Deposit Type: Vein
Operation Type: Unknown
Year First Production: 1870
Discovery Year: 1870
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Boise Ridge
Mineral Deposit Model
Not available
Orebody
Form: BUNCHES, STREAKS, LENSES
Structure
Type: L
Description: Gouge Filling
Alterations
Alteration Type: L
Alteration Text: Oxidized
Rocks
Name: Rhyolite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Miocene
Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Miocene
Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Miocene
Analytical Data
Analytical Data: ORE REPORTED TO ASSAY 0.53 OZ AU. ARSENOPYRITE SAMPLE ASSAYED 1.36 OZ AU, 0.70 OZ. AG, 2% BI, 0.3% PB, 0.6% SB
Materials
Ore: Galena
Ore: Stibnite
Ore: Sphalerite
Gangue: Pyrite
Gangue: Quartz
Gangue: Bismuth
Gangue: Calcite
Comments
Comment (Location): HEAD OF CANYON CR. W. OF BELSHAZZAR GROUP
Comment (Development): 11 UNPATENTED CLAIMS. AERIAL TRAM; MILL; 30 - TON AMALGAMATION PLANT
Comment (Workings): 5 ADIT DRIFTS
Comment (Commodity): SEVERAL BUNCHES OF ORE ASSAYED AS MUCH AS $100/TON.
Comment (Production): RECORDED PRODUCTION SLIGHTLY OVER $240,000 AND AN ADDITIONAL ESTIMATED PRODUCTION CLOSE TO $70,000 UNDER A FORMER MANAGEMENT.
References
Reference (Deposit): BALLARD, S. M., 1924, GEOLOGY AND GOLD RESOURCES OF BOISE BASIN, BOISE COUNTY, IDAHO,: ID. BUREAU OF MINES AND GEOL., BULL. NO. 9, P. 61.
Reference (Deposit): ROSS, CLYDE P., 1933, SOME LODE DEPOSITS IN THE NORTHWESTERN PART OF THE BOISE BASIN, IDAHO, U.S. GEOL. SUR. BULL. 846 - D, P. 268
Reference (Deposit): ANDERSON, A. L., 1947 , GEOLOGY AND ORE DEPOSITS OF BOISE BASIN, IDAHO: U. S. GEOLOGICAL SURVEY BULL. 944-C, P. 274 - 277
Reference (Deposit): 1924 GEOLMAP IDAHO BUREAU OF MINES & GEOL. BULL. 9.
Reference (Deposit): 1933 OTHER C. P. ROSS, BULL. 846 - D
Reference (Deposit): 1947 GEOLMAP A. L. ANDERSON, BULL. 944-C.
Reference (Production): BALLARD, S. M., 1924, ID. BUREAU OF MINES AND GEOL., BULL. NO. 9
Idaho Gold
"Where to Find Gold in Idaho" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in Idaho. Read more: Where to Find Gold in Idaho.
