1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

El Plomo Mine

Past Producer in Fremont county in Colorado, United States with commodities Copper, Zinc, Silver, Iron
Map
XML
JSON
KML
B
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Land status
  18. Reserves and resources
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10013372
MRDS ID D009629
Record type Site
Current site name El Plomo Mine
Related records 10239653

Geographic coordinates

Geographic coordinates: -105.34418, 38.3889 (WGS84)
Elevation 2012
Relative position 6.8 MILES S 60 W OF CANON CITY POST OFFICE

Site location context

Political divisions (FIPS codes)

Fremont(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Royal Gorge(quadrangle 1:24,000 scale)

Canon City(quadrangle 1:100,000 scale)

Pueblo(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Arkansas Headwaters(hydrologic unit)

Upper Arkansas(hydrologic accounting unit)

Upper Arkansas(hydrologic subregion)

Arkansas-White-Red(hydrologic region)

Geographic areas

Country State County
United States Colorado Fremont

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 019S 071W 17 SE OF SE Colorado

Comments on the location information

  • 7 MILES SW OF CANON CITY ON TEMPLE CANYON ROAD, THEN UPSTREAM ON GRAPE CREEK 2.5 MILES TO MINE; PATENTED CLAIM SURROUNDED BY BLM LAND; SOUTH SLOPE OF HORSESHOE MOUNTAIN ; INFO FROM LAND.ST :(1976)

Commodities

Commodity Importance
Copper Primary
Zinc Critical Primary
Silver Secondary
Iron Secondary

Materials information

Materials Type of material
Chalcanthite Ore
Chalcopyrite Ore
Limonite Ore
Sphalerite Ore
Pyrite Unknown

Alteration

  • (Local) Altered Biotite Gneisses; Kaolinization

Analytical data

Result 0.74 TO 0.96% CU, 0.71 TO 8.7% ZN, 0.6 TO 0.8 OZ/TON AG

Mineral occurrence model information

Model code 271
USGS model code Unassigned
Deposit model name Stratabound Precambrian sulfide, Colorado and Wyoming

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Granodiorite
    Rock description Granodiorite
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
    Rock unit name Migmatitic Gneiss
    Rock description Migmatitic Gneiss
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -105.34418, 38.3889
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Northern Wet Mountains, Canon City Embayment, Thirtynine Mile Volcanic Field
Type of structure Local
Structure description Grape Creek Fault, Ilse Fault, Horseshoe Fault

Ore body information

  • General form LENSES

Controls for ore emplacement

  • Faults, Fault Intersections; Shear Zones

Comments on the geologic information

  • THE SULFIDE ZONE IS RELATIVELY CONTINUOUS FROM EL PLOMO MINE TO JENNINGS GULCH; THE PROMINENT GOSSAN ZONE STRIKES NNE, DIPPING SE.

Economic information about the deposit and operations

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

Mining district

District name Grape Creek Area

Land status

Ownership category Private

Reserves and resources

  • Type In-situ
    Name copper-zinc ore
    Estimate year 1980
    Inferred 250mt ore
    Commodity Subtype Grade units Group Importance Year
    Copper Cu 0.74 wt-pct Copper Major 1980
    Zinc Zn 0.71 wt-pct Zinc Major 1980
    Silver Ag 21.77 g/mt Silver Minor 1980

Comments on the reserve resource information

  • COKER, 1982

Workings at the site

  • Type of workings Underground
    Area 0.074HA
    Length 30.48M
    Overall length 42.67M
    Overall width 18.29M

Comments on the workings information

  • 2 ADITS, 1 SHAFT (NOW CAVED)

Comments on development

  • BLM GEOLOGISTS NOTE THAT MORE EVIDENCE OF SULFIDE MINERALIZATION WAS FOUND IN THE DRAINAGE BELOW EL PLOMO MINE AND HORSESHOE MINE THAN IN EITHER WORKING

Reference information

Bibliographic references

  • Deposit

    COKER, R. J., 1982, MINERAL RESOURCES OF THE ARKANSAS CANYON PLANNING UNIT WITH SPECIAL EMPHASIS ON THE FORMER GRAPE CREEK WILDERNESS STUDY AREAS AND THE MCINTYRE HILLS WILDERNESS STUDY AREA: US BLM MINERAL REPORT, P. 21-24

  • Deposit

    TAYLOR, R. B., SCOTT, G. R., WOBUS, R. A., AND EPIS, R. C., 1975, RECONNAISSANCE GEOLOGIC MAP OF THE ROYAL GORGE QUADRANGLE, FREMONT AND CUSTER COUNTIES, COLORADO: USGS MAP I-869, 1: 62,500.

General comments

Subject category Comment text
Deposit THE DRAINAGE UP TO THE DEPOSIT IS "FILLED WITH CHALCOPYRITE RICH FLOAT AND SOME MASSIVE SULFIDES IN PLACE"; THERE IS A PROMINENT GOSSAN ZONE INTO WHICH WORKINGS ARE DRIVEN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1982 Collins, Donna B. 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.