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Julia Mine

Past Producer in Lewis and Clark county in Montana, United States with commodities Lead, Silver, Gold, 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. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10019785
MRDS ID DC11497
Record type Site
Current site name Julia Mine

Geographic coordinates

Geographic coordinates: -112.06616, 46.65657 (WGS84)
Relative position ABOUT 7 KM WNW OF HELENA., Oil Km Radius

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 010N 004W 02 Montana

Comments on the location information

  • SW PART OF SCRATCHGRAVEL HILLS

Commodities

Commodity Importance
Lead Primary
Silver Primary
Gold Primary
Arsenic Critical Tertiary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    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) -112.06616, 46.65657
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith
Type of structure Local
Structure description Scratchgravel Quartz Monzonite Stock

Ore body information

  • Strike N 75 E
    Dip 35 N
    Width 0.91M

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 John Longmaid
    Home office 564 3rd St., Helena, Mt.

Comments on the production information

  • "MODERATE" PRODUCTION

Comments on the workings information

  • UNDER WATER IN 1927 (SHAFT); OPEN PIT W OF SHAFT.

Reference information

Bibliographic references

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-74 Unknown 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