Nellie M. Mine

The Nellie M. Mine is a silver mine located in Hinsdale county, Colorado at an elevation of 8,930 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: Nellie M. Mine  

State:  Colorado

County:  Hinsdale

Elevation: 8,930 Feet (2,722 Meters)

Primary Mineral: Silver

Lat, Long: 38.00722, -107.31139

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 Nellie M. Mine

Nellie M. Mine MRDS details

Site Name

Primary: Nellie M. Mine
Secondary: Patented Claim: Nellie M.
Secondary: Ms 623


Commodity

Primary: Silver
Secondary: Copper
Tertiary: Zinc


Location

State: Colorado
County: Hinsdale
District: Lake (Lake City) 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

Not available


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: Rhyolite
Role: Associated
Age Type: Host Rock Unit
Age Young: Oligocene

Name: Rhyolite
Role: Associated
Age Type: Associated Rock
Age Young: Oligocene

Name: Rhyolite
Role: Associated
Age Type: Host Rock
Age Young: Oligocene


Analytical Data

Not available


Materials

Ore: Silver
Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Quartz


Comments

Comment (Location): MINE LOCATED NEAR BASE OF HILL ON SW SIDE OF LAKE FORK BETWEEN CROOKE FALLS AND VICKERS RANCH. ELEV AND LAT-LONG GIVEN ARE FOR PORTAL OF UPPER TUNNEL. ; INFO FROM LAND.ST :1977

Comment (Deposit): MINE LIES JUST NE OF LAKE CITY CALDERA WALL IN UNCOMPAHGRE CALDERA MOAT-FILL SEQUENCE, WHICH IS CUT BY GENERALLY N 53 TO 58 E-TRENDING RADIAL FAULT, DOWNDROPPING EUREKA MEMBER, HENSON MEMBER SANDSTONE, AND FISH CANYON TUFF ON NW AGAINST EUREKA MEMBER ON SE. TUNNEL REPORTEDLY FOLLOWS BROKEN, SHEETED ZONE CONTAINING STREAKS OF METALLIC MINERAL. VEIN LIES IN SLACK'S (1980) BARITE/PRECIOUS METALS ASSEMBLAGE, INNER QUARTZ-SPHALERITE ZONE.

Comment (Workings): LOWER TUNNEL DRIVEN GENERALLY SW FOR 700 FT. UPPER TUNNEL DRIVEN S 53 W ALONG VEIN FOR 510 FT.


References

Reference (Deposit): IRVING, J.D., AND BANCROFT, HOWLAND, 1911, GEOLOGY AND ORE DEPOSITS NEAR LAKE CITY, COLORADO: USGS BULL. 478, P. 101.

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

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): SLACK, J.F., 1980, MULTISTAGE VEIN ORES OF THE LAKE CITY DISTRICT, WESTERN SAN JUAN MOUNTAINS, COLORADO: ECON. GEOLOGY, V. 75, NO. 7, P. 963-991.

Reference (Deposit): BLM MINERAL SURVEY MS 623

Reference (Deposit): NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURRENCES OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 179-180.