Latest Out Mine

The Latest Out Mine is a lead and silver mine located in Lemhi county, Idaho at an elevation of 7,999 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

Name: Latest Out Mine

State:  Idaho

County:  Lemhi

Elevation: 7,999 Feet (2,438 Meters)

Commodity: Lead, Silver

Lat, Long: 44.4581, -113.29220

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.


Satelite image of the Latest Out Mine

Latest Out Mine MRDS details

Site Name

Primary: Latest Out Mine


Commodity

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


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

Type: Underground


Ownership

Owner Name: Ralph Nichols
Years: 1909 -

Owner Name: Latest Out Mining And Smelting Co.
Years: 1913 -


Production

Year: 1913
Time Period: 1910-1913
Material type: ORE
Description: Cp_Grade: ^25 - 45 % Pb, Ag


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Year First Production: 1880
Discovery Year: 1880
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: Lemhi Mountains


Mineral Deposit Model

Not available


Orebody

Form: LENS, IRREGULAR


Structure

Type: R
Description: Folding


Alterations

Alteration Type: L
Alteration Text: Oxidation


Rocks

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

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

Name: Diorite
Role: Associated
Age Type: Host Rock
Age Young: Late Devonian


Analytical Data

Analytical Data: FROM 200-500 FT ORE HAS 32% PB, 3% ZN, 12 OZ AG, 0.025 OZ AU/TON
Analytical Data: SULFIDES DECREASE WITH DEPTH: FROM SURFACE TO 200 FT DEPTH ORE HAS 35% PB, 7% ZN, 16 OZ AG, 0.025 OZ AU/TON


Materials

Ore: Galena
Ore: Sphalerite
Gangue: Limonite
Gangue: Hematite
Gangue: Iron


Comments

Comment (Location): In central part of Gilmore Division of Texas Mining District; Location from Gilmore 1:62500 Map

Comment (Production): $350,000 gross production up to end of 1911, $130,000 of which was in 1910

Comment (Development): 1 claim

Comment (Geology): Limestone and quartzite dip 25 Deg E


References

Reference (Deposit): Umpleby, J. B., 1913, Geology And Ore Deposits Of Lemhi County, Idaho: USGS Bulletin 528, P. 105.

Reference (Deposit): Nichols, R., 1913, Lead-Silver Mines Of Gilmore, Idaho: Am. Inst. Mining Engineers Trans., V. 46, P. 937-939.

Reference (Deposit): Bell, R. N., 1912, Thirteenth Annual Report Of The Mining Industry Of Idaho For The Year 1911.

Reference (Deposit): Bell, R. N., 1913, Fourteenth Annual Report Of The Mining Industry Of Idaho For The Year 1912.

Reference (Deposit): 1912 Compile State Mine Inspector's Report For 1911

Reference (Deposit): 1913 Compile State Mine Inspector's Report For 1912

Reference (Deposit): 1913 Recon Umpleby, J. B., Bull 528

Reference (Production): Item 8, Nichols, R., 1913, Am. Inst. Mining Engineers Trans., V. 46, P. 939; Items 1, 9, Umpleby, J. B., 1913, USGS Bulletin 528, P. 105; Item 2, Bell, R. N., 1912, Mining Industry Report For 1911; Item 3, Bell, R. N., 1913, Mining Industry Report For 1912


Idaho Gold

Where to Find Gold in Idaho

"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.