Three Forks Group

Occurrence in Carbon county in Wyoming, United States with commodities Copper, Iron, Silver, Gold, Lead, Zinc
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. Economic information about the deposit and operations
  10. Land status
  11. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10132774
MAS/MILS ID 0560070399
Record type Site
Current site name Three Forks Group

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -107.02095, 41.01747 (WGS84)
Elevation 2327
Location accuracy 2000(meters)

Site location context

Political divisions (FIPS codes)

Carbon(county)

Wyoming(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Fletcher Peak(quadrangle 1:24,000 scale)

Baggs(quadrangle 1:100,000 scale)

Rawlins(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Little Snake(hydrologic unit)

White-Yampa(hydrologic accounting unit)

White-Yampa(hydrologic subregion)

Upper Colorado(hydrologic region)

Federal lands

Medicine Bow-Routt National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States Wyoming Carbon

Public Land Survey System information

Meridian Township Range Section Fraction State
6th Principal 12 N 86 W "somewhere in Secs. 11, 12, 13, 14" Wyoming

Comments on the location information

  • "Somewhere in Secs. 11, 12, 13, 14".

Commodities

Commodity Importance
Copper Primary
Iron Secondary
Silver Secondary
Gold Secondary
Lead Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Galena Ore
Sphalerite Ore
Hematite Ore
Quartz Ore
Cerargyrite Ore

Nearby scientific data

Ore Body (1) -107.02095, 41.01747

Economic information

Comments on the geologic information

  • Smoky quartz veins along a contact between granite and schist. Contains a small amount of Cu with some Pb and Zn. Veins stained by hematite near surface carry some Au.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Land status

Ownership category Private

Reference information

Bibliographic references

  • Deposit

    Osterwald and others, 1959, Mineral Resources of Wyoming: Wyoming Geological Survey Bulletin 50, p. 46 (copper), 78 (gold), 105 (hematite), 113 (lead), 158 (silver), 219 (zinc).

  • Deposit

    Osterwald and others, 1966, Mineral Resources of Wyoming: Wyoming Geological Survey Bulletin 50, p. 49 (copper), 84 (gold), 118 (hematite), 126 (lead), 174 (silver), 239 (zinc).

  • Deposit

    Hausel, W.D., 1989, The geology of Wyoming's predious metal lode and placer deposits: Geological Survey of Wyoming Bulletin 68, p. 158.

  • Deposit

    Hausel, W.D., 1997, Copper, lead, zinc, molybdenum, and associated ore deposits of Wyoming: Wyoming Geological Survey Bulletin 70, p. 178.

  • Deposit

    Hausel, 1986, Mineral deposits of the Encampment mining district, Sierra Madre, Wyoming-Colorado: Geological Survey of Wyoming RI-37, p. 25.

  • Deposit

    Gentry, D.W., 1976, Lead and zinc deposits in Colorado and Wyoming, Final Report: Unpublished report by Donald Gentry, Prinicpal Investigator, Miing Engineering Dept, Colorado School of Mines under USBM Grant #G0264005.

General comments

Subject category Comment text
Deposit Gentry, 1976, lists the Three Forks Group as "secondary level", meaning it is a possible future producer of lead. There is no further discussion of the mine in the text.

Reporter information

Type Date Name Affiliation Comment
Reporter 18-NOV-83 Intermountain Field Operations Center (IFOC) U.S. Bureau of Mines
Editor 11-SEP-08 Wilson, Anna B. U.S. Geological Survey

Beyond USGS

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

External references