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

Essex

Past Producer in Gilpin 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. Nearby scientific data
  7. Economic information about the deposit and operations
  8. Mining district
  9. Land status
  10. Production statistics
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10215127
MAS/MILS ID 0080470141
Record type Site
Current site name Essex

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.53226, 39.79999 (WGS84)
Elevation 2816
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

Gilpin(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Central City(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Clear(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Colorado Gilpin

Commodities

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

Nearby scientific data

Main Entrance (1) -105.53226, 39.79999
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 Central City

Land status

Ownership category Private

Production statistics

  • Year 1935
    Material ore
    Ore mined 1.96mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Trace Zinc Zinc 13%null%
    Trace Silver Silver 159g/mt
    Trace Lead Lead 37%null%
    Major Gold Gold 17g/mt

Reference information

Bibliographic references

  • Deposit

    MINE MAP REPO # 400189

Reporter information

Type Date Name Affiliation Comment
Reporter 17-NOV-1983 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines
Updater 18-JUN-0007 Melton, Greg U.S. Geological Survey

Beyond USGS

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

External references

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.