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  3. Mineral Resource Data System (MRDS)

Poorman Mine

Producer in Boulder county in Colorado, United States with commodity Silver
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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. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10017336
MRDS ID DC03298
Record type Site
Current site name Poorman Mine

Geographic coordinates

Geographic coordinates: -105.5842, 39.98249 (WGS84)
Relative position NW 1/4 NE 1/4

Site location context

Political divisions (FIPS codes)

Boulder(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nederland(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 73W 08 Colorado

Commodities

Commodity Importance
Silver Primary

Materials information

Materials Type of material
Silver Ore

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -105.5842, 39.98249
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: VEIN STRIKES N 78 W DIPS STEEPLY NE. ORE LOCALIZED BY INTERSECTION WITH NO NAME AND NELSON (?) VEINS. HIGHLY SILICEOUS ORE WITH SPHALERITE, GALENA, PYRITE, AND CHALCOPYRITE IN SILICIFIED MONZONITE

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Caribou

Comments on the production information

  • TO 1885 (WITH SILVER DOLLAR) $200,000

Reference information

Bibliographic references

  • Deposit

    MOORE AND OTHERS, 1957 USGS BULL. 1030-N, PG 543, PLS. 35, 36, 37, 40.

  • 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 29-MAY-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.