Henderson Gulch Placer

Past Producer in Granite county in Montana, United States with commodities Gold, Tungsten, Sand and Gravel, Construction
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. Alteration
  9. Mineral occurrence model information
  10. Host and associated rocks
  11. Nearby scientific data
  12. Geologic structures
  13. Ore body information
  14. Controls for ore emplacement
  15. Economic information about the deposit and operations
  16. Mining district
  17. Ownership information
  18. Production statistics
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. Reporter information

Geologic information

Identification information

Deposit ID 10099710
MRDS ID W013387
Record type Site
Current site name Henderson Gulch Placer
Alternate or previous names Henderson
Related records 10270380

Geographic coordinates

Geographic coordinates: -113.26259, 46.50156 (WGS84)
Elevation 1417
Location accuracy 500(meters)
Relative position ABOUT 18 KM NORTH OF PHILLIPSBURG

Site location context

Political divisions (FIPS codes)

Granite(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Nirling Hill(quadrangle 1:24,000 scale)

Missoula East(quadrangle 1:100,000 scale)

Butte(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Flint-Rock(hydrologic unit)

Pend Oreille(hydrologic accounting unit)

Kootenai-Pend Oreille-Spokane(hydrologic subregion)

Pacific Northwest(hydrologic region)

Geographic areas

Country State County
United States Montana Granite

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 008N;009N;009N 014W;014N;013W 02;36;31,30,29 Montana

Comments on the location information

  • UTM LOCATION ON DREDGE TAILINGS SEC. 29, T. 9N, R. 13W

Commodities

Commodity Importance
Gold Primary
Tungsten Critical Primary
Sand and Gravel, Construction Secondary

Materials information

Materials Type of material
Gold Ore
Scheelite Ore

Alteration

  • (Local) Newland Limestone, Shale Altered To Hornfels, Tactite

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 Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Newland Limestone
    Rock description Newland Limestone
    Stratigraphic age (youngest) Neoproterozoic

Nearby scientific data

(1) Alluvium

Economic information

Geologic structures

Type of structure Regional
Structure description Phillipsburg Batholith, Phillipsburg Overthrust
Type of structure Local
Structure description Sunrise And Henderson Mountain Anticline, Fracture Zone Trending N 60 E, Dipping E

Ore body information

  • General form DISSEMINATED DEPOSIT IS TRIANGULAR - SHAPED INTRUSION
    Length 800M
    Width 500M
    Depth to top 0M

Controls for ore emplacement

  • Granodiorite Intrusion

Comments on the geologic information

  • DISSEMINATED AG AND W IN 57 ACRE INTRUSION IN SEC. 2 AND 3, T8N, R14W,R42W

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant Yes
Discovery year 1866
Year of last production 1957

Mining district

District name Henderson District

Ownership information

  • Type Operator
    Owner Henderson Tungsten Co.
    Home office C/O J. D. Drent, Hall, Mt
  • Type Owner
    Owner Jake Schneider Phillipsburg, Mt

Production statistics

  • Year 1913
    Period 1866-1913
    Material AU
    Accuracy Estimate
    Description Cp_Grade: ^.005 Oz/Cu Yd
  • Year 1941
    Period 1939-1941
    Material AU
    Accuracy Estimate
    Description Cp_Grade: ^0.06 Lb/Cu Yd
  • Year 1949
    Period 1866-1949
    Material gold
    Ore mined 3mt
    Accuracy Estimate

Comments on the production information

  • IN 1943 IT PRODUCED $69685 BUT THE VALUE OF AG AND WO3 INCREASE SO THAT ABOUT $100000 WAS MADE.

Comments on the reserve resource information

  • ASSUME MINING OF GRANODIORITE INTRUSION TO DEPTH OF 120 M.

Workings at the site

  • Type of workings Surface
    Overall length 8000M
    Overall width 500M

Comments on the workings information

  • GROUND SLUICING, HYDRAULIC GIANT, DRIFT MINES, 1939 A STATIONARY WASHER AND DRAG-LINE SHOVEL WERE PUT ON NEW DEAL PROP.

Reference information

Bibliographic references

  • Deposit

    USBM REPT INVES 5612, P. 2, 6, 8. 17

  • Deposit

    USBM PEPT INVES 4914

  • Deposit

    MBMG MEM NO 26, P. 35, 39, 40.

  • Deposit

    USGS PP 610, P. 152

  • Deposit

    USGS PP 78, P. 263.

  • Deposit

    MBMG BULL 10, P. 21.

  • Deposit

    1947 DIREXPL U. S. BUREAU MINE

  • Production

    WALKER, USBM R. I. 5612

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1976 Krohn, Douglas H. U.S. Geological Survey
Updater 01-NOV-1980 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.