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  3. Mineral Resource Data System (MRDS)

Rio Grande No. 2 Lode

Occurrence in Mineral county in Colorado, United States with commodity Silver
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Geologic information

Identification information

Deposit ID 10094461
MRDS ID D007956
Record type Site
Current site name Rio Grande No. 2 Lode

Geographic coordinates

Geographic coordinates: -106.93173, 37.87251 (WGS84)
Elevation 2804
Relative position 1.35 MILES N 10 W FROM CREEDE (B.M. 8853 AT NORTH END OF TOWN)
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Geographic areas

Country State County
United States Colorado Mineral

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 042N 001W 24 NW OF NW OF SE Colorado

Comments on the location information

  • S-T-R, LAT-LONG, AND ELEV DETERMINED FROM EMMONS AND LARSEN'S (1923) TOPO MAP (1:24,000), MINE OR CLAIM LIES OFF FIRST TURN IN NELSON TUNNEL ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Silver Primary

Materials information

Materials Type of material
Barite Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Campbell Mtn. Member Of Bachelor Mtn. Rhyolite
    Rock description Campbell Mtn. Mbr. Of Bachelor Mtn. Rhyolite
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Campbell Mtn. Member Of Bachelor Mtn. Rhyolite
    Rock description Campbell Mtn. Mbr. Of Bachelor Mtn. Rhyolite

Nearby scientific data

(1) -106.93173, 37.87251
ListMap

Geologic structures

Type Description Terms
Regional San Juan Volcanic Field; La Garita, Creede, And Bachelor Calderas
Local Creede Graben, Amethyst Fault Zone

Ore body information

  • Strike N 53 E
    Dip 40 SE

Controls for ore emplacement

  • Fractured Rock Between Amethyst Vein And Ancestral Amethyst Fault

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery method Ore-Mineral In Place

Mining district

District name Creede District

Land status

Ownership category Private

Comments on the workings information

  • 175-FT-LONG RAISE DRIVEN ON VEIN UP FROM NELSON TUNNEL LEVEL

Comments on development

  • VEIN INTERSECTED 205 FT NORTH OF FIRST TURN IN NELSON TUNNEL

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS D007956

Bibliographic references

  • Deposit

    EMMONS, W.H., AND LARSEN, E.S. 1923, GEOLOGY AND ORE DEPOSITS OF THE CREEDE DISTRICT, COLORADO: USGS BULL. 718, 198 P.

  • Deposit

    STEVEN, T.A., AND RATTE, J.C., 1965, GEOLOGY AND STRUCTURAL CONTROL OF ORE DEPOSITION IN THE CREEDE DISTRICT, SAN JUAN MOUNTAINS, COLORADO: USGS PROF. PAPER 487, 90 P.

  • Deposit

    LINDEMANN, J.W., AND OTHERS, EDS., 1981, FIELD TRIP NOTES, CREEDE MINING DISTRICT, SAN JUAN VOLCANIC PROVINCE, COLORADO: DENVER REGIONAL EXPLORATION GEOLOGISTS SOC. GUIDEBOOK

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-1981 Schwochow, Stephen D. Colorado Geological Survey