The Twentieth Century Mine is a gold mine located in Ada county, Idaho at an elevation of 3,760 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: 3,760 Feet (1,146 Meters)
Commodity: Gold
Lat, Long: 43.5783, -116.08640
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.
Twentieth Century Mine MRDS details
Site Name
Primary: Twentieth Century Mine
Commodity
Primary: Gold
Tertiary: Copper
Tertiary: Lead
Tertiary: Silver
Location
State: Idaho
County: Ada
District: Shaw Mtn. District
Land Status
Land ownership: State
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: Underground
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Underground
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: Boise Ridge
Mineral Deposit Model
Not available
Orebody
Form: LINEAR
Structure
Not available
Alterations
Not available
Rocks
Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Miocene
Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Miocene
Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Miocene
Analytical Data
Analytical Data: AVERAGED $3 TO $4/TON AU IN 1907.
Materials
Not available
Comments
Comment (Development): 700 Acres In Property
References
Reference (Deposit): Bell, R. N., 1908, Ninth Annual Report Of The Mining Industry Of Idaho For The Year 1907, P. 16 - 23.
Reference (Deposit): Bell, R. N., 1906, Seventh Annual Report Of The Mining Industry Of Idaho For The Year 1905, P. 15 - 18.
Reference (Deposit): Bell, R. N., 1907, Eighth Annual Report Of The Mining Industry Of Idaho For The Year 1906, P. 17 - 20.
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.
