Longfellow

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

Geologic information

Identification information

Deposit ID 10108331
MRDS ID DC04710
Record type Site
Current site name Longfellow
Related records 10262829

Geographic coordinates

Geographic coordinates: -105.36428, 40.13334 (WGS84)
Relative position SE 1/4

Site location context

Political divisions (FIPS codes)

Boulder(county)

Colorado(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lyons(quadrangle 1:24,000 scale)

Estes Park(quadrangle 1:100,000 scale)

Greeley(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 02N 71W 17 Colorado

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Primary

Materials information

Materials Type of material
Copper Ore
Gold Ore
Silver Ore

Host and associated rocks

  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) -105.36428, 40.13334

Economic information

Controls for ore emplacement

  • Pegmatite Dikes And Changes In Strike Of Vein

Comments on the geologic information

  • GEOL.DESC: ORE & SULFIDE MINERALS: CHALCOPYRITE, PYRITE, FREE GOLD (IN OXIDIZED ZONE)

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Significant No

Mining district

District name Jamestown

Comments on the production information

  • ITEMS 8, 9, & 10: MORE THAN $75,000.

Reference information

Bibliographic references

  • Deposit

    BLM COLO. CONNECTING SHEETS

  • Deposit

    LOVERING AND GODDARD, 1950, USGS PP 223, PG. 279, FIG. 77.

  • 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 01-JAN-1974 Unknown 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.