The Osborne Mine is a silver and gold mine located in Boise county, Idaho at an elevation of 2,900 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: 2,900 Feet (884 Meters)
Commodity: Silver, Gold
Lat, Long: 43.9086, -116.22110
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.
Osborne Mine MRDS details
Site Name
Primary: Osborne Mine
Commodity
Primary: Silver
Primary: Gold
Tertiary: Zinc
Tertiary: Antimony
Tertiary: Lead
Location
State: Idaho
County: Boise
District: Westview District
Land Status
Land ownership: BLM Administrative Area
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.
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Not available
Production
Year: 1919
Time Period: 1911 - 1919
Material type: ORE
Description: Cp_Grade: ^Avg Assays 0.40 Oz Au/Ton
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Columbia Plateau
Physiographic Section: Payette Section
Physiographic Detail: Sawtooth Mountains
Mineral Deposit Model
Not available
Orebody
Form: LINEAR, LENSES
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Fe Stains
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Miocene
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Miocene
Analytical Data
Analytical Data: PICKED ORE: 1.93 OZ AU/TON, 9.7 OZ AG/TON. AVERAGE ASSAYS: ABOUT 0.40 OZ. AU/TON
Materials
Ore: Sphalerite
Ore: Tetrahedrite
Ore: Chalcopyrite
Ore: Galena
Ore: Boulangerite
Gangue: Quartz
Gangue: Calcite
Gangue: Pyrite
Comments
Comment (Workings): SEVERAL MINOR SURFACE CUTS
Comment (Location): ON THE S. SIDE OF THE PAYETTE R.
Comment (Deposit): ONE LODE DIPS S. LODE ALONG CONTACT OF DIORITE AND DACITE PORPHYRY DIKE DIPS 40 DEG N
Comment (Development): 5 UNPATENTED CLAIMS ( 1929 )
References
Reference (Deposit): ANDERSON, ALBERT L., 1934, GEOLOGY OF PEARL - HORSESHOE BEND GOLD BELT, IDAHO: IDAHO BUREAU OF MINES & GEOL. PAMPHLET 41, P. 32
Reference (Deposit): CAMPBELL, S., 1930 , 31ST ANN. REPT. OF THE IDAHO MINE INSPECTOR FOR 1929 .
Reference (Deposit): 1934 GEOLMAP IDAHO BUREAU OF MINES & GEOL. PAM. 41
Reference (Production): ANDERSON, A. L., 1934, IDAHO BUREAU OF MINES & GEOL. PAMPHLET 41, P. 32.
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.
