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  3. Mineral Resource Data System (MRDS)

Molycorp Group

Prospect in Taos county in New Mexico, United States with commodity Molybdenum
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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. 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. Reserves and resources
  19. Links to other databases
  20. Bibliographic references
  21. Reporter information

Geologic information

Identification information

Deposit ID 10012901
MRDS ID D008905
Record type Site
Current site name Molycorp Group
Alternate or previous names Flag Mountain Orebody

Geographic coordinates

Geographic coordinates: -105.5689, 36.68282 (WGS84)
Elevation 2743
Relative position ABOUT 19 MILES DUE NORTH OF TAOS.

Site location context

Political divisions (FIPS codes)

Taos(county)

New Mexico(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Questa(quadrangle 1:24,000 scale)

Wheeler Peak(quadrangle 1:100,000 scale)

Raton(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Rio Grande(hydrologic unit)

Upper Rio Grande(hydrologic accounting unit)

Rio Grande-Elephant Butte(hydrologic subregion)

Rio Grande(hydrologic region)

Federal lands

Carson 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 New Mexico Taos

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 028N 013E 04,05,08,09 SW (04); SE (05); NE (08); NW (09) New Mexico

Comments on the location information

  • ACCURATE LOCATION IS FOR THE APPROXIMATE CENTER OF THE MOLYCORP GROUP OF CLAIMS. CADASTRAL LOCATION IS FOR THE PATENTED CLAIMS, GRID PROJECTED.

Commodities

Commodity Importance
Molybdenum Primary

Materials information

Materials Type of material
Molybdenite Ore
Pyrite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification, Propylitization And Pyritization Due To Hydothermal Alteration.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Flag Mountain Stock
    Rock description Flag Mountain Stock
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -105.5689, 36.68282
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description East-Northeast Trending Red River Graben Served As A Focus For Tertiary Plutonic Activity Associated With Hydrothermal Alteration And Mineralization.

Ore body information

  • General form VEINLETS, FRACTURE COATINGS AND DISSEMINATED GRAINS

Controls for ore emplacement

  • Fault-Fracture Structural Control.

Comments on the geologic information

  • THE FLAG MOUNTAIN STOCK IS SIMILAR TO THE SULPHUR GULCH (QUESTA MOLYBDENUM MINE) STOCK WHICH HAS BEEN CHARACTERIZED AS A SODA OR ALBITE-RICH GRANITE, AN ALASKITE PORPHYRY AND AS A BIOTITE GRANITE WITH AN APLITE TEXTURE.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Large
Significant No

Mining district

District name Red River District

Land status

Ownership category Private

Ownership information

  • Type Owner-Operator
    Owner Molybdenum Corp. Of America (Questa Division)
    Home office Questa, N.M. 87556
    First year 1981

Reserves and resources

  • Type In-situ
    Estimate year 1971
    Total resources 27287000mt ore
    Commodity Subtype Grade units Group Importance Year
    Molybdenum MoS2 0.162 wt-pct Molybdenum Major 1971

Comments on the reserve resource information

  • ESTIMATE OF FLAG MOUNTAIN OREBODY RESERVES; BASED ON 0.10 % MOS2 CUTOFF GRADE.

Comments on the workings information

  • OLD WORKINGS IN THE FLAG MOUNTAIN OREBODY INCLUDE THE LOG CABIN CANYON PROSPECT AND THE BEAR CANYON PROSPECT. FUTURE DEVELOPMENT MAY BE BY OPEN PIT MINING METHODS OR UNDERGROUND ROOM AND PILLAR MINING METHODS.

Reference information

Bibliographic references

  • Deposit

    CLARK, K.F., AND READ, C.B., 1972 NMBMMR BULL 94, P. 69-71, FIG. 16,P. 117-119, MAP2

  • Deposit

    BRIGGS, J., AND OTHERS, 1981 USBM COLUMBINE-HONDO RARE II FPA

  • Deposit

    MCKINLAY, P.F., 1957 NMBMMR BULL 53, 23 PAGES, 1 PLATE

  • Reserve-Resource

    CLARK, K.F., AND READ, C.B., 1972 NMBMMR BULL 94, P.119

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1982 Menzie, David New Mexico Bureau of Mines and Mineral Resources

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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