Section 20 Mine

Past Producer in McKinley county in New Mexico, United States with commodity Uranium

Geologic information

Identification information

Deposit ID 10014552
MRDS ID D011376
Record type Site
Current site name Section 20 Mine
Related records 10271746

Geographic coordinates

Geographic coordinates: -107.81701, 35.43144 (WGS84)
Elevation 2142
Location accuracy 250(meters)
Relative position ABOUT 19.2 MILES N 5 E OF GRANTS, NM
(click for info)

Geographic areas

Country State County
United States New Mexico McKinley

Public Land Survey System information

Meridian Township Range Section Fraction State
New Mexico 014N 009W 20 NW New Mexico

Comments on the location information

  • LOCATION IS ESTIMATED FROM MCLEMORE'S (1983) DATA. THE CADASTRAL GRID IS PROJECTED IN THIS AREA. ; INFO FROM LAND.ST :1979

Commodities

Commodity Importance
Uranium Primary

Materials information

Materials Type of material
Coffinite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Morrison
    Rock description Morrison
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -107.81701, 35.43144

Geologic structures

Type of structure Regional
Structure description Ambrosia Lake Dome

Ore body information

  • General form TABULAR

Comments on the geologic information

  • THE DEPOSIT OCCURS IN THE WESTWATER CANYON MEMBER OF THE MORRISON FORMATION.

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1955
Discoverer Ranchers Exploration And Development Co., Albuquerque, Nm (1984)
Discovery method Ore-Mineral In Place
Year of first production 1962
Year of last production 1970

Mining district

District name Grants Uranium District: Ambrosia Lake Subdistrict

Land status

Ownership category Private

Ownership information

  • Type Operator
    Owner Kerr-Mcgee
    Home office P.O. Box 218, Grants, N.M. 87020
    First year 1984
  • Type Owner
    Owner Ranchers Exploration And Development Co.
    Home office Box 6217, Albuquerque, N.M. 87107
    First year 1984

Production statistics

  • Year 1970
    Period 1961 To 1970
    Accuracy Accurate
    Description Cp_Grade: ^0.22 Percent U308
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major U3O8 Ore Uranium Uranium 0wt-pct
  • Year 1970
    Period 1961 To 1970
    Accuracy Accurate
    Description Cp_Grade: ^0.26 Percent U308
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major U3O8 Ore Uranium Uranium 0wt-pct

Comments on the production information

  • PRODUCTION TOTALLED 1,350,790 TONS OF ORE FROM ALL THREE QUARTER-SECTIONS.

Comments on the workings information

  • THE SECTION 20 MINE WAS BEING WORKED THROUGH SECTION 17'S SHAFT. WORKINGS ARE MODIFIED ROOM AND PILLAR.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS D011376

Bibliographic references

  • Deposit

    HILPERT, L.S., 1969, USGS PP 603, P. 37

  • Deposit

    HOLMQUIST, R.J., 1970, USAEC RME-172, P. 71-73

  • Deposit

    MCLEMORE, V.T., 1983, NMBMMR OFR-183, APPENDIX 1

  • Deposit

    NMBMMR GENERAL FILE DATA

General comments

Subject category Comment text
Deposit THE ORE WAS FOUND IN TWO HORIZONS AS PRIMARY TABULAR ORE. NO FURTHER DETAILS ARE AVAILABLE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-84 Murray, Diane New Mexico Bureau of Mines and Mineral Resources