Nellie M. Mine

Past Producer in Hinsdale county in Colorado, United States with commodities Silver, Copper, Zinc

Sections on this page

Identification information
Geographic coordinates
Site location context
Geographic areas
Public Land Survey System information
Commodities
Materials information
Host and associated rocks
Nearby scientific data
Geologic structures
Controls for ore emplacement
Economic information about the deposit and operations
Mining district
Land status
Links to other databases
Bibliographic references
General comments
Reporter information

Geologic information

Identification information

Deposit ID	10014682
MRDS ID	D011564
Record type	Site
Current site name	Nellie M. Mine
Alternate or previous names	Patented Claim: Nellie M., Ms 623

Geographic coordinates

Geographic coordinates:	-107.31202, 38.00723 (WGS84)
Elevation	2722
Relative position	1.65 MILES S 1 E FROM LAKE CITY

Site location context

Political divisions (FIPS codes)

Hinsdale(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lake City(quadrangle 1:24,000 scale)

Montrose(quadrangle 1:100,000 scale)

Montrose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Gunnison(hydrologic unit)

Gunnison(hydrologic accounting unit)

Gunnison(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management CO)

Bureau of Land Management CO BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country	State	County
United States	Colorado	Hinsdale

Public Land Survey System information

Meridian	Township	Range	Section	Fraction	State
New Mexico	043N	004W	09	NW	Colorado

Comments on the location information

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

Commodities

Commodity	Importance
Silver	Primary
Copper	Secondary
Zinc Critical	Tertiary

Materials information

Materials	Type of material
Chalcopyrite	Ore
Silver	Ore
Sphalerite	Ore
Quartz	Gangue

Host and associated rocks

Host or associated

Associated

Rock type

Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Rock unit name

Eureka Member Of Sapinero Mesa Tuff;Fish Canyon Tuff

Rock description

Eureka Member Of Sapinero Mesa Tuff;Fish Canyon Tuff

Stratigraphic age (youngest)	Oligocene
Stratigraphic age (youngest)	Oligocene
Stratigraphic age (youngest)	Oligocene

Host or associated Associated

Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite
Host or associated Host

Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Host or associated	Associated
Rock type	Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite

Host or associated	Host
Rock type	Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
Rock unit name	Tuffaceous Sandstone Of Henson Member Of Silverton Volcanics
Rock description	Tuffaceous Sandstone Of Henson Member Of Silverton Volcanics

Host or associated Host

Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Quartz Latite

Nearby scientific data

(1)	-107.31202, 38.00723	ListMap

Economic information

Geologic structures

Type of structure	Regional
Structure description	San Juan Volcanic Field, San Juan Depression
Type of structure	Local
Structure description	San Juan-Uncompahgre Calderas, Lake City Caldera

Controls for ore emplacement

Ne-Trending Radial Fault Related To Lake City Caldera Formation

Economic information about the deposit and operations

Development status	Past Producer
Commodity type	Metallic
Deposit size	Small
Significant	No

Mining district

District name	Lake (Lake City) District

Land status

Ownership category	Private

Comments on the workings information

LOWER TUNNEL DRIVEN GENERALLY SW FOR 700 FT. UPPER TUNNEL DRIVEN S 53 W ALONG VEIN FOR 510 FT.

Reference information

Links to other databases

Agency	Database name	Acronym	Record ID	Notes
USGS	Mineral Resources Data System	MRDS	D011564

Bibliographic references

Deposit

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

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

BLM MINERAL SURVEY MS 623
Deposit

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

General comments

Subject category	Comment text
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.

Subject category

Comment text

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.

Reporter information

Type	Date	Name	Affiliation	Comment
Reporter	01-MAR-1984	Schwochow, Stephen D.	Colorado Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Colorado resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.