Alma Deposit

Past Producer in Rio Arriba county in New Mexico, United States with commodities Mica, Beryllium, Feldspar, Uranium, Thorium, REE
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. Land status
  15. Ownership information
  16. Production statistics
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10014277
MRDS ID D010982
Record type Site
Current site name Alma Deposit
Alternate or previous names Kansas City

Geographic coordinates

Geographic coordinates: -106.06447, 36.54643 (WGS84)
Elevation 2560
Location accuracy 50(meters)
Relative position ABOUT 29 MILES S 67 E OF TIERRA AMARILLA, NM., Within A Radius Of 100 Ft

Site location context

Political divisions (FIPS codes)

Rio Arriba(county)

New Mexico(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Las Tablas(quadrangle 1:24,000 scale)

Chama(quadrangle 1:100,000 scale)

Aztec(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Rio Chama(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 Rio Arriba

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 027N 008E 26 SE OF SE OF SE OF NW New Mexico

Comments on the location information

  • LOCATION ESTIMATED FROM LOCATION MAP OF JAHNS (1946). ; INFO FROM LAND.ST :1979

Commodities

Commodity Importance
Mica Primary
Beryllium Critical Primary
Feldspar Tertiary
Uranium Tertiary
Thorium Tertiary
REE Critical Tertiary

Materials information

Materials Type of material
Beryl Ore
Columbite Ore
Mica Ore
Microcline Ore
Monazite Ore
Fluorite Gangue
Garnet Gangue
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Pegmatite
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Pegmatite
    Rock unit name Ortega Quartzite
    Rock description Ortega Quartzite

Nearby scientific data

(1) -106.06447, 36.54643

Economic information

Geologic structures

Type of structure Local
Structure description A Ne (?) Trending Fault Approximately 250 Ft North Of The Pegmatite.

Ore body information

  • General form OTHER SILL
    Strike N 20 W
    Dip 20 TO 55 WSW
    Plunge MODERATE TO GENTLE
    Plunge direction WSW
    Thickness 4.57M
    Length 170.69M

Comments on the geologic information

  • THE MAIN PEGMATITE IS NOT SHARPLY ZONED. THE DEPOSIT OCCURS IN THE PETACA SCHIST MEMBER OF THE ORTEGA QUARTZITE

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1900
Discoverer Standard Mica Company
Year of first production 1900
Year of last production 1943

Mining district

District name Petaca District: Persimmon Peak-Las Tablas Group

Land status

Ownership category National Forest

Ownership information

  • Type Owner-Operator
    Owner Cooperative Mines, Inc.
    Home office La Madera, N.M.

Production statistics

  • Year 1943
    Period 1943
    Accuracy Accurate
    Description Cp_Grade: ^1,265 Lbs Of Beryl
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Beryl Beryllium Beryllium 0.57mt
  • Year 1943
    Period 1900-1943
    Accuracy Accurate
    Description Cp_Grade: ^500 Lbs Plate Mica, 93 Tons Scrap Mica
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Mica Mica 0.22mt

Comments on the workings information

  • WORKINGS CONSIST OF A LARGE OPEN CUT 5 TO 15 FT DEEP, 185 FT LONG, AND 45 FT WIDE, A 38 FOOT LONG CROSSCUT, AND A 30 FT RAISE. SEVERAL PROSPECT PITS AND TRENCHES ARE ALSO PRESENT.

Reference information

Bibliographic references

  • Deposit

    JAHNS, R.H., 1946, NMBMMR BULL. NO. 25, P. 125-128

  • Deposit

    REDMON, D.E., 1961, USBM IC 8013, P. 18

  • Deposit

    NMBMMR GENERAL FILE DATA

  • Production

    JAHNS, R.H., 1946, NMBMMR BULL. NO. 25

General comments

Subject category Comment text
Deposit THIS PEGMATITE IS THE LARGEST IN THE PERSIMMON PEAK-LAS TABLAS GROUP.
Deposit SEE ALSO: PERSIMMON PEAK-LAS TABLAS GROUP ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-83 Murray, Diane New Mexico Bureau of Mines and Mineral Resources

Beyond USGS

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

External references