A. D. & M. Mine

The A. D. & M. Mine is a gold mine located in Lemhi county, Idaho at an elevation of 4,800 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: A. D. & M. Mine  

State:  Idaho

County:  Lemhi

Elevation: 4,800 Feet (1,463 Meters)

Commodity: Gold

Lat, Long: 45.5608, -113.90890

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 A. D. & M. Mine

A. D. & M. Mine MRDS details

Site Name

Primary: A. D. & M. Mine
Secondary: Keystone
Secondary: Huron


Commodity

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


Location

State: Idaho
County: Lemhi
District: Gibbonsville 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: American Development, Mining And Reduction Co.


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Underground
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

Not available


Rocks

Name: Quartzite
Role: Host
Age Type: Associated Rock
Age Young: Pliocene

Name: Quartzite
Role: Host
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Quartzite
Role: Host
Age Type: Associated Rock Unit
Age Young: Neoproterozoic

Name: Quartzite
Role: Host
Age Type: Host Rock Unit
Age Young: Neoproterozoic


Analytical Data

Analytical Data: PRIMARY ORE CARRIED $30 AU (1913)


Materials

Ore: Gold
Ore: Chalcopyrite
Gangue: Hematite
Gangue: Calcite
Gangue: Pyrite


Comments

Comment (Deposit): Country Rx Trend N10-20W, 40-70e. Faults- N-S, E ; Info.Src : 1 Pub Lit

Comment (Location): On S. Face Of Mountain NE Of Gibbonsville ; Info From Land.St :(1978)

Comment (Production): Total Production Estimated At A Little More Than $1,000,000 (To 1913).

Comment (Development): 21 Pat. Claims, 2 Pat. Millsites. Reduction Site Plant Destroyed By Fire, 1907. 30-Stamp Cyanide Plant Built, 1910. Mine Support Facilities All Destroyed By Fire, 1913.

Comment (Deposit): 6 Or 7 E-W Veins, About 12 In Wide, With East Pinching Ore Shoots

Comment (Workings): Main Adit Is 600-Ft Level (No. 3). Raises From The 600 Level Reach Surface, And Shaft Reaches 800 Ft Level. 1 Incline Connects 700 Ft Level With 900 Ft Level (Deepest-1913). Main Stoping Is Above 800 Ft Level.

Comment (Geology): Higher Grade Ore In Black Slate


References

Reference (Deposit): USGS Bull 528.

Reference (Deposit): Bell, Robert N., 1913, Fourteenth Annual Report Of The Mining Industry Of Idaho For The Year 1912, P. 134.

Reference (Deposit): Bell, R. N., 1908, Ninth Annual Report Of The Mining Industry Of Idaho For 1907, P. 122 - 123

Reference (Deposit): Min Sci Press, V105, P. 47-9

Reference (Deposit): Eng And Min Jorn. V79, N7, P. 324

Reference (Deposit): 1908 Compile Mine Inspectors Annual Report For 1907

Reference (Deposit): 1913 Compile Mine Inspectors Annual Report For 1912

Reference (Deposit): 1913 Geolmap Umpleby; Bulletin 528

Reference (Deposit): 1939 Recon U.S. Bureau Of Mines; Inf. Circ. 7082

Reference (Production): Umpleby, J. B., 1913, USGS Bulletin 528, 82 P. {{ Bell, 1908, Annual Report Of Mining Industry, P. 122 - 123

Reference (Deposit): U.S. Geological Survey Bulletin 528, 1913, P. 131-132.

Reference (Deposit): U.S. Bureau Of Mines Open-File Report MLA 25-93, 1993.


Idaho Gold

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"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.