| Basis for focus area |
Mining district boundaries from McLemore (2017). |
| Identified resources |
Historical production of fluorite. |
| Production |
182,244 tons fluorite produced (1918-1953) (McAnulty, 1978). |
| Status |
Past mining. |
| Estimated resources |
Unknown. |
| Geologic maps |
Goddard (1966), scale 1:31,680. |
| Geophysical data |
Inadequate aeromagnetic and aeroradiometric coverage. |
| Favorable rocks and structures |
Fluorite veins filling faults and fissures in Proterozoic rocks and Permian Abo Formation. |
| Deposits |
Twenty-one & Twenty-seven fluorspar mines (MRDS dep_id: 10069412; largest producer in district), Mirabal (MRDS dep_id: 10012895), Boneekey (MRDS dep_id: 10013005), Grants (MRDS dep_id: 10013006). |
| Evidence from mineral occurrences |
MRDS; New Mexico Mines Database (McLemore and others, 2005). |
| Geochemical evidence |
Chip samples from a 4-foot wide breccia zone at the Grants mine contained 43.6% CaF2 and 39.6% SiO2. |
| Geophysical evidence |
Unknown. |
| Evidence from other sources |
None. |
| Comments |
One of the largest fluorite producing districts in New Mexico. |
| Cover thickness and description |
Unknown. |
| Authors |
Virginia T. McLemore. |
| New data needs |
This area needs detailed 1:12,000 mapping, chemistry, alteration mapping. |
| Geologic mapping and modeling needs |
Detailed geology-structure-alteration-mineralization mapping. |
| Geophysical survey and modeling needs |
High resolution aeromagnetic and aeroradiometric coverage. |
| Digital elevation data needs |
Lidar complete. |
