The Jumbo Deposit is a silver and lead mine located in Lemhi county, Idaho at an elevation of 7,759 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: 7,759 Feet (2,365 Meters)
Commodity: Silver, Lead
Lat, Long: 44.4825, -113.31610
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.
Jumbo Deposit MRDS details
Site Name
Primary: Jumbo Deposit
Secondary: Democrat No. 4
Secondary: Emil
Secondary: Glendale
Secondary: McKinley
Secondary: Fairview and Jumbo Claims
Commodity
Primary: Silver
Primary: Lead
Secondary: Zinc
Secondary: Copper
Secondary: Gold
Location
State: Idaho
County: Lemhi
District: Texas District
Land Status
Land ownership: Private
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
Not available
Ownership
Owner Name: J. Howard Sims, Salmon, Id., And Olwen And Emlyn Griffiths
Owner Name: J. Howard Sims
Home Office: Salmon, Id.
Years: 1970 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Lemhi Mountains
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Type: R
Description: Paleozoic Rocks Form Homoclinal Sequence Dipping 45 Deg E Or Ne Toward The Valley.
Alterations
Alteration Type: L
Alteration Text: Deep Oxidation
Rocks
Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Permian
Name: Diorite
Role: Associated
Age Type: Associated Rock
Age Young: Pliocene
Analytical Data
Not available
Materials
Ore: Sphalerite
Ore: Chalcopyrite
Gangue: Quartz
Comments
Comment (Location): Adjacent to, and NE of the Hilltop Mine. Adjacent to, and SW of the Democrat Adit.
Comment (Development): O.M.E. Contract Z167 (Pocket No. 6286) was completed in 1965
Comment (Workings): Winze, and adit of the Old Jumbo Mine, numerous pits and trenches, as well as an adit driven under O.M.E. Contract from 1963-1965
Comment (Deposit): For more information see O.M.E. Pocket No. 6286 ; Info.Src : 2 Unpub Rept
References
Reference (Deposit): V.E. Mitchell, Et. Al; Mines And Prospects Map Series, 1981, Dubois Quad, Location No. 173
Reference (Deposit): Commodity Files, U.S.G.S., Spokane, Wa
Reference (Deposit): Umpleby, E.L., 1913, Geology And Ore Deposits Of Lemhi County, Idaho: USGS Bulletin 528
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.
