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  3. Mineral Resource Data System (MRDS)

Little Jumbo Mine

Past Producer in Summit county in Colorado, United States with commodities Copper, Gold, Lead, Silver, Zinc
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Mining district
  11. Land status
  12. Production statistics
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10240204
MAS/MILS ID 0081170102
Record type Site
Current site name Little Jumbo Mine

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.85338, 39.59805 (WGS84)
Elevation 3560
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Summit(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Montezuma(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Blue(hydrologic unit)

Colorado Headwaters(hydrologic accounting unit)

Colorado Headwaters(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

White River National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Summit

Commodities

Commodity Importance
Copper Tertiary
Gold Primary
Lead Tertiary
Silver Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

Main Entrance (1) -105.85338, 39.59805
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No

Mining district

District name Montezuma - Geneva Creek

Land status

Ownership category National Forest

Production statistics

  • Year 1918
    Period 1915-18
    Material ore
    Ore mined 6727.99mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Zinc Zinc 259488.4mt
    Trace Silver Silver 309355.22g
    Trace Lead Lead 128565.76mt
    Major Gold Gold 1586.27g
    Trace Copper Copper 2334.63mt

Reference information

Bibliographic references

  • Deposit

    REF: MONTEZUMA 7.5" QUAD

  • Deposit

    USGS PP 178, p. 85

Reporter information

Type Date Name Affiliation Comment
Reporter 17-NOV-1983 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines
Updater 07-AUG-0007 Melton, Greg U.S. 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.