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

Graphic Mine

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

Geologic information

Identification information

Deposit ID 10017079
MRDS ID DC02843
MAS/MILS ID 80130364
Record type Site
Current site name Graphic Mine
Alternate or previous names Graphic
Related records 10190144

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -105.36229, 39.99378 (WGS84)
Location accuracy 250(meters)
Relative position From Pl. 22, III-B, #15 of PP-223.

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 5 NE4 Colorado

Comments on the location information

  • VERY IRREGULAR SECTION, SEE PLATE 22, PP 223.

Commodities

Commodity Importance
Gold Primary
Tungsten Critical Secondary

Comments on the commodity information

  • "Tungsten production has been incorrectly reported from the Graphic Mine" (ColoMetalMining, 1960, p. 36) But then that same entry for Graphic mine lists production as less than 50 units.

Materials information

Materials Type of material
Ferberite Ore
Gold Ore
Sylvanite Ore

Comments on the analytical data

  • Assayed 1 1/2 to 5 ounces Au per ton (PP-223, p. 229).

Nearby scientific data

Main Entrance (1) -105.36229, 39.99378
ListMap

Economic information

Controls for ore emplacement

  • Vein

Comments on the geologic information

  • GEOL.DESC: VEIN WITH QUARTZ GANGUE, SYLVANITE, SOME FERBERITE

Economic information about the deposit and operations

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

Mining district

District name Magnolia

Land status

Ownership category Private

Comments on the ownership information

  • ColoMetalMining, 1960, p. 36 lists owner as "Unknown. Probably abandoned."

Comments on the production information

  • Produced $40,000, mostly in gold, from 1875-1905. (PP-223, p. 227). Produced less than 50 units WO3 (ColoMetalMining, 1960, p. 36).

Comments on the workings information

  • short tunnel and shaft (ColoMetalMining, 1960, p. 36)

Reference information

Bibliographic references

  • Deposit

    LOVERING AND GODDARD, 1950, USGS PP 223, P. 229

  • Deposit

    CONSV. DIV. COMP. DATE, 1,62

  • Deposit

    Colorado Metal Mining Fund Board, 1960, Tungsten Mines of Colorado.

Reporter information

Type Date Name Affiliation Comment
Reporter 1973-03-01 Conservation Division Files U.S. Geological Survey
Editor 2014-01-21 Wilson, Anna B U.S. Geological Survey merged and deleted duplicate record. Removed mention of same mine from a group record ((10017078)
Reporter 1983-11-17 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines MAS 0080130364 = 10190144

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.