Clancy Creek Placer

Past Producer in Jefferson county in Montana, 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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Production statistics
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10019691
MRDS ID DC11159
Record type Site
Current site name Clancy Creek Placer

Geographic coordinates

Geographic coordinates: -112.08977, 46.42212 (WGS84)
Location accuracy 500(meters)
Relative position 4.5 KM NE OF GREGORY

Site location context

Political divisions (FIPS codes)

Jefferson(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Jefferson City(quadrangle 1:24,000 scale)

Butte North(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Missouri(hydrologic unit)

Upper Missouri(hydrologic accounting unit)

Missouri-Marias(hydrologic subregion)

Missouri(hydrologic region)

Geographic areas

Country State County
United States Montana Jefferson

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 008N;008N 004W;003W 14,22,23,27;07,08 Montana

Comments on the location information

  • LAT. LONG. ON END OF TAILING, TAILINGS GO N 8 KM TO CLANCY (ON MAP) ; INFO FROM LAND.ST :(1950)

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore

Analytical data

Result $0.13/CY AU.

Mineral occurrence model information

Model code 119
USGS model code 39a
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Rock unit name Unconsolidated Deposit
    Stratigraphic age (youngest) Holocene

Nearby scientific data

(1) Granitic rock

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith

Comments on the geologic information

  • GOLD ORIGINATED IN MINERALIZED VEINS AT GREGORY.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant Yes
Discovery year 1850

Mining district

District name Clancy-Lump Gulch District

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Humphreys Gold Corp. ; Roger Au Min. Co.
    First year 1937

Production statistics

  • Year 1940
    Material gravel
    Ore mined 195420cy
    Accuracy Accurate
    Description Ap_Grade: ^Fine From 195420 Cy

Workings at the site

  • Type of workings Surface
    Length 7402.78M

Comments on the workings information

  • 1937 DRY-LAND DREDGE (HUMPHREY'S) WAS PUT ON CLANCY CREEK, 1947 DRAG-LINE DREDGE WAS ALSO PUT IN.

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 16, P. 14, 15.

  • Deposit

    MBMG MEM NO 26, P.43, 44, 45

  • Deposit

    MBMG MEM NO 5, P. 24.

  • Deposit

    USGS PP 428, P. 52.

  • Production

    MBMG MEM NO 26, USGS PP 428.

General comments

Subject category Comment text
Deposit Discovery Year: MIDDLE 19TH CENTURY
Deposit 11 MILES BETWEEN CLANCY AND GREGORY ONLY 4.6 MILES HAVE BEEN DREDGED ; INFO.SRC : 1 PUB LIT
Deposit Merged dat from Deposit ID 10269910 of same name (Clancy Creek Placer)

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-74 Unknown U.S. Geological Survey
Updater 01-JAN-81 Wise, Kristine K. (Elliott, James E.) U.S. Geological Survey

Beyond USGS

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