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  3. Mineral Resource Data System (MRDS)

Hopeful Mine

Past Producer in Lewis and Clark county in Montana, United States with commodities Gold, Lead, Copper, Arsenic
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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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10015901
MRDS ID DB02184
Record type Site
Current site name Hopeful Mine

Geographic coordinates

Geographic coordinates: -112.06394, 46.66768 (WGS84)
Location accuracy 250(meters)
Relative position EAST SIDE OF THE SCRATCHGRAVEL HILLS AT THE MOUTH OF A GULCH DECENDING EASTWARD FROM THE HIGHEST SUMMIT. SOUTH SIDE OF THE GULCH

Site location context

Political divisions (FIPS codes)

Lewis and Clark(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Scratchgravel Hills(quadrangle 1:24,000 scale)

Elliston(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 Lewis and Clark

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 011N 004W 35 Montana

Comments on the location information

  • ABOUT N NNW OF HELENA.

Commodities

Commodity Importance
Gold Primary
Lead Primary
Copper Secondary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Gold Ore
Lead Ore
Mimetite Ore
Ankerite Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result $45/TON ORE (1900'S)

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Scratchgravel Quartz Monzonite Stock
    Rock description Scratchgravel Quartz Monzonite Stock
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite

Nearby scientific data

(1) Granitic rock
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Faults Trending N 70 W, Dip 45e

Ore body information

  • Strike NW
    Dip 20-30 SW
    Width 1.22M

Controls for ore emplacement

  • Brecciated Zone Along Faults

Economic information about the deposit and operations

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

Mining district

District name Scratchgravel Hills District

Ownership information

  • Type Owner
    Owner Otto Anderson

Comments on the production information

  • SMALL AMOUNT OF AU, PB ORE; $45/TON

Workings at the site

  • Type of workings Underground
    Overall depth 70.1M

Comments on the workings information

  • ADITS AND INCLINES, INCLINES NUMBERED 1, 2 & 3, RANGE FROM 40 TO 150 FT IN LENGTH

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit QUARTZ-GOLD VEIN, AND COMPOSITE VEIN. STRIKE FAULT THAT DIPS E AND CUTS THE VEIN.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-80 Elliott, James E. U.S. Geological Survey
Updater 01-NOV-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.

Maps centered on this site