Monte Cristo Mine

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

Geologic information

Identification information

Deposit ID 10106661
MRDS ID DB02110
Record type Site
Current site name Monte Cristo Mine

Geographic coordinates

Geographic coordinates: -112.26533, 46.4499 (WGS84)
Relative position 2.0 KM SE OF LEE MOUNTAIN.

Site location context

Political divisions (FIPS codes)

Lewis and Clark(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Three Brothers(quadrangle 1:24,000 scale)

Butte North(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)

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 Lewis and Clark

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 008N 005W 17 NW OF NW Montana

Comments on the location information

  • 0.5 MI SW OF JUNCTION OF RUBY AND TENMILE CREEKS. ; INFO FROM LAND.ST :(1954)

Commodities

Commodity Importance
Silver Primary
Gold Primary
Copper Primary
Lead Secondary
Zinc Critical Secondary

Materials information

Materials Type of material
Argentite Ore
Chalcopyrite Ore
Cuprite Ore
Gold Ore
Malachite Ore
Silver Ore
Hematite Gangue
Limonite Gangue
Pyrite Gangue
Quartz Gangue
Tourmaline Gangue

Alteration

  • (Local) Oxidized

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Butte Quartz Monzonite (Boulder Batholith)
    Rock description Butte Quartz Monzonite (Boulder Batholith)
    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) -112.26533, 46.4499

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith
Type of structure Local
Structure description Lee Mountain-Valley Forge Shear Zone

Ore body information

  • Strike N 85 W
    Dip 80 S
    Width 3.05M

Controls for ore emplacement

  • Fault Zone

Comments on the geologic information

  • THE OXIDIZED ZONE HAS BEEN PRESERVED BENEATH THE RHYOLITE SINCE TERTIARY TIME.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Rimini District

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner Hans Mo
    Home office 1500 Madison Ave., Helena, Mt. 59601

Comments on the production information

  • BY 1900 THE MINE YIELDED ABOUT 150 TONS OF AG-AU-CU ORE. BY 1935 ANOTHER 150 TON OF ORE WAS PRODUCED.

Workings at the site

  • Type of workings Underground
    Overall depth 42.67M

Comments on the workings information

  • 140 FT SHAFT AND SEVERAL STOPES AT DIFFERENT LEVELS. BETWEEN 1900-1915 THE MINE OPENINGS CAVED. 1916 A NEW ADIT WAS STARTED ABOUT 500 FT N OF ORIGINAL OPENING, BUT THE MINE REMAINED IDLE FROM ITS COMPLETION UNTIL 1930, THEN ANOTHER SHORT ADIT, ABOUT 150 FT E OF THE ORIGINAL OPENING, WAS PUT IN. THIS MINING ACTIVITY ENDED ABOUT 1935. CAVED IN 1955. TRENCHES

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit FAULT ZONE TRENDS N 85 W AND DIPS 80 S AND CONTAINS A QUARTZ AND TOURMALINE VEIN. THE FAULT ZONE IS FROM 5-10 FT IN THICKNESS

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1979 Elliott, James E. U.S. Geological Survey
Updater 01-NOV-1981 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.

External references