Duncan Mine

The Duncan Mine is a gold mine located in Fremont county, Wyoming at an elevation of 8,241 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: Duncan Mine  

State:  Wyoming

County:  Fremont

Elevation: 8,241 Feet (2,512 Meters)

Commodity: Gold

Lat, Long: 42.48722, -108.75583

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 Duncan Mine

Duncan Mine MRDS details

Site Name

Primary: Duncan Mine


Commodity

Primary: Gold
Secondary: Silver


Location

State: Wyoming
County: Fremont
District: Atlantic City - South Pass District : Sweetwater District


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Year: 1955
Material type: AU
Description: Ap_Grade: ^6.34 Oz Of Au And 0.08 Oz Of Ag Per Ton


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: Middle Rocky Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: L
Description: Fault


Alterations

Not available


Rocks

Name: Diabase
Role: Associated
Age Type: Host Rock
Age Young: Neoproterozoic

Name: Diabase
Role: Associated
Age Type: Associated Rock
Age Young: Neoproterozoic


Analytical Data

Analytical Data: AU AVERAGED 0.820 FINE


Materials

Ore: Silver
Ore: Gold
Gangue: Quartz


Comments

Comment (Workings): SEVERAL HUNDRED FT OF DRIFTS, CROSS CUTS AND OPEN STOPES, SHAFT IS ON SE END OF THE PROPERTY AT THE INTERSECTION OF THE MAIN VEIN AND CROSS VEIN.

Comment (Deposit): WIDTH VARIES FROM 18IN TO 5 FT WIDE AND IS 200 + FT IN LENGTH. MAIN VEIN STRIKES N65W. CROSS VEIN STRIKES N85E AND DIPS 90.


References

Reference (Deposit): GSW BULL 50, P.86.

Reference (Deposit): GSW RI 23, P.10.

Reference (Production): GSW BULL 50, P.86: GSW RI 23, P.10.


The Top Ten Gold Producing States

The Top Ten Gold Producing States

These ten states contributed the most to the gold production that built the West from 1848 through the 1930s. The Top Ten Gold Producing States.