Brooks Prospect

Past Producer in Silver Bow county in Montana, United States with commodity Gold
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. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10019517
MRDS ID DC10737
Record type Site
Current site name Brooks Prospect
Related records 10124750

Geographic coordinates

Geographic coordinates: -112.49255, 45.80407 (WGS84)
Elevation 2256
Relative position 1.5 MILES WEST OF COYOTE HILL.

Site location context

Political divisions (FIPS codes)

Silver Bow(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Pipestone Pass(quadrangle 1:24,000 scale)

Butte South(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Jefferson(hydrologic unit)

Missouri Headwaters(hydrologic accounting unit)

Missouri Headwaters(hydrologic subregion)

Missouri(hydrologic region)

Federal lands

Beaverhead-Deerlodge 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 Silver Bow

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 001N 007W 29 CENTER OF SE Montana

Commodities

Commodity Importance
Gold Primary

Analytical data

Result POCKETS CONTAINED ABOUT 0.14 OZ. AU PER POUND OF ORE, AND AS MUCH AS 5.7 OZ. AU PER POCKET.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Diorite
    Rock description Diorite
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Devonian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Jefferson
    Rock description Jefferson

Nearby scientific data

(1) -112.49255, 45.80407

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith

Ore body information

  • General form SCATTERED POCKETS

Controls for ore emplacement

  • Limestone-Diorite Contact

Comments on the geologic information

  • GEOL.DESC: SOME AT $5 PER POUND BUT SMALL: $200 PER POCKET

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Highland (Fish Creek) District

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Mr. Brooks

Reference information

Bibliographic references

  • Deposit

    MBMG MEM 32, P. 47

  • Deposit

    1950 GEOLMAP MBMG MEMOIR 3

General comments

Subject category Comment text
Deposit ORE WAS CRUSHED IN HAND MORTARS. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-JUN-1980 Loen, Jeffrey S. (Pearson, Robert C.) U.S. Geological Survey

Beyond USGS

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