The Section 20 Mine is a uranium mine located in McKinley county, New Mexico at an elevation of 7,028 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 7,028 Feet (2,142 Meters)
Commodity: Uranium
Lat, Long: 35.43139, -107.81639
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Section 20 Mine MRDS details
Site Name
Primary: Section 20 Mine
Commodity
Primary: Uranium
Location
State: New Mexico
County: McKinley
District: Grants Uranium District: Ambrosia Lake Subdistrict
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Ranchers Exploration And Development Co.
Home Office: Box 6217, Albuquerque, N.M. 87107
Years: 1984 -
Owner Name: Kerr-Mcgee
Home Office: P.O. Box 218, Grants, N.M. 87020
Years: 1984 -
Production
Year: 1970
Time Period: 1961 To 1970
Description: Cp_Grade: ^0.26 Percent U308
Year: 1970
Time Period: 1961 To 1970
Description: Cp_Grade: ^0.22 Percent U308
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Stratiform
Operation Type: Unknown
Year First Production: 1962
Year Last Production: 1970
Discovery Year: 1955
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Intermontane Plateaus
Physiographic Province: Colorado Plateaus
Physiographic Section: Datil Section
Mineral Deposit Model
Not available
Orebody
Form: TABULAR
Structure
Type: R
Description: Ambrosia Lake Dome
Alterations
Not available
Rocks
Name: Sandstone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Jurassic
Name: Sandstone
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Ore: Coffinite
Comments
Comment (Location): LOCATION IS ESTIMATED FROM MCLEMORE'S (1983) DATA. THE CADASTRAL GRID IS PROJECTED IN THIS AREA. ; INFO FROM LAND.ST :1979
Comment (Production): PRODUCTION TOTALLED 1,350,790 TONS OF ORE FROM ALL THREE QUARTER-SECTIONS.
Comment (Deposit): THE ORE WAS FOUND IN TWO HORIZONS AS PRIMARY TABULAR ORE. NO FURTHER DETAILS ARE AVAILABLE.
Comment (Workings): THE SECTION 20 MINE WAS BEING WORKED THROUGH SECTION 17'S SHAFT. WORKINGS ARE MODIFIED ROOM AND PILLAR.
Comment (Geology): THE DEPOSIT OCCURS IN THE WESTWATER CANYON MEMBER OF THE MORRISON FORMATION.
References
Reference (Deposit): NMBMMR GENERAL FILE DATA
Reference (Deposit): MCLEMORE, V.T., 1983, NMBMMR OFR-183, APPENDIX 1
Reference (Deposit): HOLMQUIST, R.J., 1970, USAEC RME-172, P. 71-73
Reference (Deposit): HILPERT, L.S., 1969, USGS PP 603, P. 37
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