George Washington Group

The George Washington Group is a gold and silver mine located in Hinsdale county, Colorado at an elevation of 11,401 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: George Washington Group  

State:  Colorado

County:  Hinsdale

Elevation: 11,401 Feet (3,475 Meters)

Commodity: Gold, Silver

Lat, Long: 37.87806, -107.43417

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 George Washington Group

George Washington Group MRDS details

Site Name

Primary: George Washington Group
Secondary: Patented Claims: George Washington, MS 312
Secondary: No. 2 Ruby, MS 2637


Commodity

Primary: Gold
Primary: Silver
Secondary: Lead


Location

State: Colorado
County: Hinsdale
District: Sherman 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: Coburn (Estate)
Home Office: Boston, Ma.
Years: 1932 -

Owner Name: Roy Van Houten And Others
Home Office: Lake City, Co.
Years: 1932 -


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Deposit Type: Vein
Operation Type: Unknown
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Rocky Mountain System
Physiographic Province: Southern Rocky Mountains


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Type: R
Description: San Juan Volcanic Field, San Juan Depression

Type: L
Description: San Juan-Uncompahgre Calderas, Lake City Caldera


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: Late Ordovician


Analytical Data

Analytical Data: VEIN ORE REPORTEDLY ASSAYED 1 OZ/TON AU AND 148 OZ/TON AG


Materials

Ore: Galena


Comments

Comment (Workings): UPPER TUNNEL IS 80-FT DRIFT DRIVEN GENERALLY NE; SHAFT OF UNKNOWN DEPTH LIES 40 FT SW OF AND 30 FT LOWER THAN UPPER TUNNEL; LOWER TUNNEL IS 200-FT DRIFT DRIVEN GENERALLY NE AND LOCATED 200 FT SW OF AND 100 FT BELOW UPPER TUNNEL. TWO OTHER SHORT TUNNELS (ABOUT 50 FT IN EXTENT) AND OPEN CUTS.

Comment (Location): LOCATION IS APPROXIMATE, BUT CLAIMS LIE ACROSS CATARACT GULCH ABOUT 1.4 TO 1.6 MILES SOUTH OF CONFLUENCE WITH COTTONWOOD CREEK ON NATIONAL FOREST BOUNDARY. ELEV AND LAT-LONG GIVEN ARE FOR POSSIBLE WORKINGS DETERMINED FROM AIRPHOTO EXAMINATION, NEAR BASE OF SLOPE ON EAST SIDE OF CATARACT GULCH IN SE SE SEC. 20. ; INFO FROM LAND.ST :1977


References

Reference (Deposit): BLM MINERAL SURVEYS MS 312, 2637

Reference (Deposit): COLORADO DIV. MINES INF. REPTS.

Reference (Deposit): LIPMAN, P.W., AND OTHERS, 1976, MULTIPLE AGES OF MID-TERTIARY MINERALIZATION AND ALTERATION IN THE WESTERN SAN JUAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V. 71, NO. 3, P. 571-588.

Reference (Deposit): LIMPAN, P.W., 1976, GEOLOGIC MAP OF THE LAKE CITY CALDERA AREA, WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: USGS MAP I-962.


Colorado Mining Photos

Placer mines at Cripple Creek, Colorado ca. 1892

Check out this collection of Colorado's best historic mining photos: Incredible Photos of Colorado Mining Scenes.