Schmidt Prospect

Past Producer in Madison county in Montana, United States with commodities Gold, Silver, Lead, Copper, Zinc, Molybdenum
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. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10102055
MRDS ID DC11926
Record type Site
Current site name Schmidt Prospect
Related records 10294793

Geographic coordinates

Geographic coordinates: -112.16226, 45.56796 (WGS84)
Elevation 2560
Relative position 8.2 MI N78E OF TWIN BRIDGES

Site location context

Political divisions (FIPS codes)

Madison(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Old Baldy Mountain(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 Madison

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 003S 005W 13,24 Montana

Comments on the location information

  • 3500 FT N75W OF OLD BALDY MTN

Commodities

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

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Cuprite Ore
Galena Ore
Sphalerite Ore
Wulfenite Ore
Chrysocolla Gangue
Iron Gangue
Malachite Gangue
Quartz Gangue

Alteration

  • (Local) Oxidation

Analytical data

Result ORE IS REPORTED TO CARRY 30-50% PB, 2-6 OZ. AG/TON, 0.2-1.5 OZ. AU/TON, AND 1/2 TO 1 % WELL-CRYSTALLIZED WULFENITE. (HORTON, 1916)

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Pony Gneiss;Meagher Limestone
    Rock description Pony Gneiss;Meagher Limestone
    Stratigraphic age (youngest) Neoarchean

Nearby scientific data

(1) -112.16226, 45.56796

Economic information

Geologic structures

Type of structure Regional
Structure description Tobacco Root Batholith
Type of structure Local
Structure description Schmidt Fault, N40e, 70e

Ore body information

  • General form NARROW STRINGERS
    Strike N 40 E
    Dip 70 E

Controls for ore emplacement

  • Fissure Zone, Bedding Plane

Comments on the geologic information

  • WULFENITE WAS REPORTED IN ASSOCIATION WITH CERUSSITE, (HORTON, 1916) BUT MAY HAVE BEEN LOST DURING SUBSEQUENT MINING.

Economic information about the deposit and operations

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

Mining district

District name Tidal Wave District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Grand View Mining And Development Co.
    Home office Twin Bridges
    First year 1916

Comments on the workings information

  • AT LEAST THREE ADITS, IN LINE; TRENDING N40E.

Reference information

Bibliographic references

  • Deposit

    USGS BULL 574, P. 155.

  • Deposit

    USBM IC 6972, P. 69.

  • Deposit

    MBMG BULL 24, P. 37.

  • Deposit

    HORTON, F.W., 1916, MOLYBDENUM, ITS ORE AND THEIR CONCENTRATION: U.S. BUREAU OF MINES, BULLETIN 111., P. 76-77.

  • Deposit

    1914 RECON WINCHELL, A.N., USGS BULLETIN 574

  • Deposit

    1916 RECON U.S. BUREAU OF MINES, BULL. 111

  • Deposit

    1961 GEOLMAP MBMG BULLETIN 24.

General comments

Subject category Comment text
Deposit N40E VEIN IS A FISSURE VEIN IN GNEISS. (JOHN, 1961; WINCHELL, 1914). LORAN, (1937) MENTIONS PRODUCTIVE STRINGERS ALONG A BEDDING PLANE SLIP BETWEEN SHALE AND QUARTZITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1974 Unknown U.S. Geological Survey
Updater 01-MAY-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.