Sunset Mine

The Sunset Mine is a silver and lead mine located in Lemhi county, Idaho at an elevation of 6,499 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

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.

Site Name

Primary: Sunset Mine
Secondary: Leadville Mine

Commodity

Primary: Silver
Primary: Lead
Secondary: Gold
Tertiary: Copper
Tertiary: Antimony
Tertiary: Zinc

Location

State: Idaho
County: Lemhi
District: Junction 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: Underground

Ownership

Owner Name: Sunset Mining Co.

Production

Year: 1907
Time Period: -1907
Material type: ORE
Description: Cp_Grade: ^56 % Pb, 45 Oz Ag/Ton, $2 Au/Ton

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1908
Discovery Year: 1904
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: Beaverhead Mountains

Mineral Deposit Model

Not available

Orebody

Form: TABULAR

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Gouge

Rocks

Name: Granite
Role: Associated
Age Type: Associated Rock
Age Young: Paleocene

Name: Granite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Paleocene

Name: Granite
Role: Associated
Age Type: Host Rock
Age Young: Late Permian

Analytical Data

Analytical Data: 31.9 OZ AG, 55.5% PB, 0.2% CU IN AVERAGE SMELTER ANALYSES

Materials

Ore: Anglesite
Ore: Sphalerite
Ore: Antimony
Ore: Bismuth
Ore: Chalcopyrite
Ore: Galena
Gangue: Clay
Gangue: Limonite
Gangue: Pyrite
Gangue: Arsenic

Comments

Comment (Production): 50 CARS OF ORE PRODUCED IN 1917 AVERAGED 11% PB AND 7 OZ/TON AG. ITEM 8 VALUE $75,000, BETTER GRADE ORE GAVE GROSS RETURN OF $50-$65/TON.

Comment (Reserve-Resource): ITEM 1 ORE BODY NEARLY 200 FT LONG AND 5-20 FT WIDE

Comment (Location): ON MARGIN OF VALLEY FLAT ABOUT .5 MI FROM THE RR

References

Reference (Deposit): UMPLEBY, J. B., 1913, GEOLOGY AND ORE DEPOSITS OF LEMHI COUNTY, IDAHO: USGS BULL. 528, P. 115 - 118.

Reference (Deposit): BELL, R. N., 1907, EIGHTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1906

Reference (Deposit): BELL, R. N., 1908, NINTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1907

Reference (Deposit): BELL, R. N., 1918, NINETEENTH ANNUAL REPORT OF THE MINING INDUSTRY OF IDAHO FOR THE YEAR 1917

Reference (Deposit): 1907 COMPILE STATE MINE INSPECTOR'S REPORT FOR 1906

Reference (Deposit): 1908 COMPILE STATE MINE INSPECTOR'S REPORT FOR 1907

Reference (Deposit): 1913 RECON UMPLEBY, J. B., BULL. 528

Reference (Deposit): 1918 COMPILE STATE MINE INSPECTOR'S REPORT FOR 1917

Reference (Production): ITEM 8 UMPLEBY, J. B., 1913, USGS BULL. 528; ITEM 9, BELL, R. N., 1908, MINING INDUSTRY REPORT FOR 1907; ITEM 1, BELL, R. N., 1918, MINING INDUSTRY REPORT FOR 1917

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.