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  3. Mineral Resource Data System (MRDS)

Lexington Mine

Past Producer in Lewis and Clark county in Montana, United States with commodities Silver, Lead, Gold, Copper
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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. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10015873
MRDS ID DB02145
Record type Site
Current site name Lexington Mine

Geographic coordinates

Geographic coordinates: -112.07032, 46.6624 (WGS84)
Relative position 6.9 KM NE OF STEMWINDER HILL.

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 SW OF SE Montana

Comments on the location information

  • W SIDE OF SCRATCHGRAVEL HILLS.

Commodities

Commodity Importance
Silver Primary
Lead Primary
Gold Secondary
Copper Secondary

Materials information

Materials Type of material
Copper Ore
Galena Ore
Gold Ore
Garnet Gangue
Hornblende Gangue
Quartz Gangue

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) -112.07032, 46.6624
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Boulder Batholith
Type of structure Local
Structure description Fault That Strikes N50e, Dips 60 Nw Scratchgravel Quartz Monzonite Stock

Ore body information

  • Strike EAST
    Dip 112-04-06

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-Operator
    Owner Mary Ann Manger And Vincent Cope
    Home office Box 130, Townsend, Mt. 59644

Comments on the production information

  • $250,000 IN AG, PB, AU ORE PRIOR TO 1880

Comments on the workings information

  • EXTENSIVE UNDERGROUND WORKINGS 500 FT. OF CAVED STOPES SHOWN BY SMALL PITS TRENDING NE

Comments on development

  • DEVELOPING IN 1973

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit 3 SUCCESSIVE DEPOSITS: A METAMORPHIC BODY; FOLLOWED BY A GOLD-QUARTZ VEIN; FOLLOWED BY SILVER-LEAD VEIN IN A FISSURE PARALLEL TO THE METAMORPHIC BODY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1980 Elliott, James E. U.S. Geological Survey
Updater 01-DEC-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.

Maps centered on this site