1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Monaghan Molybdenum Prospect

Occurrence in Beaverhead county in Montana, United States with commodities Molybdenum, Copper
Map
XML
JSON
KML
C
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. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10094808
MRDS ID DC11894
Record type Site
Current site name Monaghan Molybdenum Prospect

Geographic coordinates

Geographic coordinates: -112.99172, 45.4385 (WGS84)
Elevation 2682
Relative position LOC. APPROX.

Site location context

Political divisions (FIPS codes)

Beaverhead(county)

Montana(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Torrey Mountain(quadrangle 1:24,000 scale)

Dillon(quadrangle 1:100,000 scale)

Dillon(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Big Hole(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 Beaverhead

Public Land Survey System information

Meridian Township Range Section Fraction State
Montana Principal 004S 011W 32 Montana

Comments on the location information

  • 1 MI. DUE N. OF PEAR LAKE IN BEAVERHEAD NF. 45 MI SW OF BUTTE.

Commodities

Commodity Importance
Molybdenum Primary
Copper Primary

Materials information

Materials Type of material
Molybdenite Ore
Pyrite Gangue
Quartz Gangue

Analytical data

Result DEPOSIT IS FROM 0.08 TO 0.12% MOS2, AND 0.02% CU.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Pioneer Batholith
    Rock description Pioneer 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) -112.99172, 45.4385
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: IN GREISEN. BLEBS, BLOWOUTS OF QUARTZ UP TO 14 FT. WIDE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Pioneer Mountains

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Dewey Long, F. Monaghan
    Home office Butte, Mt.
    First year 1943

Reference information

Bibliographic references

  • Deposit

    MBMG BULL 85, P. 93.

  • Deposit

    USGS BULL 1162-E, P. 62.

  • Deposit

    1943 RECON CREASEY AND SCHOLZ, U.S.G.S. BULL. 1182-

General comments

Subject category Comment text
Deposit LOW GRADE ; INFO.SRC : 1 PUB LIT
Deposit MOLYBDENITE OCCURS IN QUARTZ VEINS AND BLEBS AND IN THE GREISEN EITHER AS BUNCHES OR ROSETTES, OR AS DISSEMINATED CRYSTALS.

Reporter information

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

Maps centered on this site