Poorman Mine

Producer in Boulder county in Colorado, United States with commodities Gold, Silver
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. Nearby scientific data
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Mining district
  12. Production statistics
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10017270
MRDS ID DC03208
Record type Site
Current site name Poorman Mine

Geographic coordinates

Geographic coordinates: -105.36779, 39.99669 (WGS84)
Relative position NW 1/4

Site location context

Political divisions (FIPS codes)

Boulder(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Eldorado Springs(quadrangle 1:24,000 scale)

Denver West(quadrangle 1:100,000 scale)

Denver(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

St. Vrain(hydrologic unit)

South Platte(hydrologic accounting unit)

South Platte(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Arapaho and Roosevelt National Forests(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Colorado Boulder

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 01S 71W 05 Colorado

Comments on the location information

  • VERY IRREGULAR SECTION, SEE PLATE 22, P. P. 223; LATITUDE-LONGITUDE VALUES CALCULATED FROM TOWNSHIP, RANGE, SECTION.

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Gold Ore

Nearby scientific data

(1) -105.36779, 39.99669

Economic information

Controls for ore emplacement

  • Fissure Zone

Comments on the geologic information

  • GEOL.DESC: VEIN IN FISSURE ZONE, GOUGY AND POORLY MINERALIZED THROUGHOUT MUCH OF LENGTH

Economic information about the deposit and operations

Operation type Underground
Development status Producer
Commodity type Metallic
Significant No
Discovery year 1876

Mining district

District name Magnolia

Production statistics

  • Year 1933
    Period 1904-1933
    Ore mined 725.35mt
    Accuracy Accurate
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Gold Gold 101g/mt

Comments on the production information

  • TOTAL $200,000

Reference information

Bibliographic references

  • Deposit

    LOVERING AND GODDARD, 1950, USGS. P. P. 223, P. 228-231.

  • Deposit

    CONSV. DIV. COMP. DATE, 10,62

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1973 Conservation Division Files U.S. Geological Survey
Updater 15-MAY-2007 Melton, Greg U.S. Geological Survey

Beyond USGS

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

External references

Authoritative Colorado resources

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