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Confederate Gulch Placers

Past Producer in Broadwater county in Montana, United States with commodity Gold
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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. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Reserves and resources
  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 10071355
MRDS ID W014693
Record type Site
Current site name Confederate Gulch Placers
Alternate or previous names Montana Gulch, Black Tail Creek

Geographic coordinates

Geographic coordinates: -111.41697, 46.59908 (WGS84)
Elevation 1524
Relative position ABOUT 30 KM NORTHEAST OF TOWNSEND

Site location context

Political divisions (FIPS codes)

Broadwater(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Diamond City(quadrangle 1:24,000 scale)

Canyon Ferry Dam(quadrangle 1:100,000 scale)

White Sulphur Springs(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Missouri(hydrologic unit)

Upper Missouri(hydrologic accounting unit)

Missouri-Marias(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Helena-Lewis and Clark 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 Montana Broadwater

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 009N;010N;010N 002E;002E;003E 03,09,16;23,24,25,26,35,36;15,16,17,18,19,20,29,30 Montana

Comments on the location information

  • UTM LOCATION OF INTERSECTION OF CONFEDERATE GULCH AND MONTANA GULCH

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore

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 Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Stratigraphic age (youngest) Pleistocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Sills, Dikes, Stocks Of Quartz Diorite And Quartz Monzonite
    Rock description Sills, Dikes, Stocks Of Quartz Diorite And Quartz Monzonite
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -111.41697, 46.59908
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description El Dorado - Lombard Overthrust, Boulder Batholith
Type of structure Local
Structure description Broad Northwest-Trending Anticline

Comments on the ore body information

  • SOURCE BELIEVED TO BE ?QUARTZ LODES ON MILLER MOUNTAIN AT THE HEAD OF MONTANA GULCH AND FROM QUARTZ LODES ASSOCIATED WITH A DIORITE DIKE THAT IS CROSSED BY CONFEDERATE GULCH NEAR THE MOUTH OF BOULDER CREEK.? (LYDEN, 1948).

Controls for ore emplacement

  • Source Believed To Be Quartz Lodes On Miller Mountain

Economic information about the deposit and operations

Operation type Placer
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant Yes
Discoverer 1864
Year of first production 1864

Mining district

District name Confederate Gulch District

Ownership information

  • Type Owner-Operator
    Owner FMC Gold Co.
    Interest 100
    Home office Nevada
    Year 1993
  • Type Owner-Operator
    Owner Montana Gold Properties Corp.
    Interest 100
    Home office PO Box 155, Helena MT 59624
    Year 1993

Comments on the production information

  • MANY CLAIMS PRODUCED GOLD AT THE RATE OF ABOUT 5 TOZ PER RUNNING FT. MOST PLACER GOLD PRODUCED FROM 1864 TO 1870

Reserves and resources

  • Type In-situ
    Name Au
    Estimate year 1993
    Total resources 6800000cu-m ore
    Remarks USGS OFR 2004-1038.

Workings at the site

  • Type of workings Surface
    Overall length 20000M
    Overall width 200M

Comments on the workings information

  • AREA INCLUDES CONFEDERATE GULCH PROPER AND ITS TRIBUTARIES, INCLUDING MONTANA GULCH AND BLACK TAIL CREEK. ONE OF RICHEST AREAS WAS ON A TERRACE JUST BELOW MONTANA GULCH KNOWN AS MONTANA BAR

Comments on other economic factors

  • AN AVERAGE ESTIMATE OF $12,000,000 IN GOLD PRODUCED FROM 1866 TO 1933 (OR 580,551 OZ) (FROM LYDEN, 1948).



    ?ESTIMATED GOLD PRODUCTION OF CONFEDERATE GULCH TO 1933? (MINIMUM AND MAXIMUM$)



    MONTANA BAR $1,000,000 $1,500,000

    DIAMOND BAR AND NEIGHBORING TERRACES $1,000,000 $1,500,000

    BOULDER BARS $100,000 $500,000

    CEMENT GULCH $800,000 $4,000,000

    MONTANA GULCH $600,000 $7,500,000

    CONFEDERATE GULCH PROPER $2,500,000 $7,500,000

Comments on development

  • ECON.COM: COARSE GOLD

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit Merged data from Deposit ID 10220846

Reporter information

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

Beyond USGS

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

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