| Basis for focus area |
Mining district boundaries from McLemore (2017). |
| Identified resources |
Historical production of barite, fluorite, lead, silver, and zinc. |
| Production |
37,500 tons barite (Williams and others, 1964). |
| Status |
Past mining; current mineral collecting. |
| Estimated resources |
Unknown. |
| Geologic maps |
New Mexico Bureau of Geology and Mineral Resources (2003), scale 1:500,000. |
| Geophysical data |
Inadequate aeromagnetic and aeroradiometric coverage. |
| Favorable rocks and structures |
Mineral deposits principally occur in the Council Spring member of the Pennsylvanian Madera Group limestone. Minor vein fillings occur in Permian sedimentary rock as well as Proterozoic basement rocks (Rakovan and Partey, 2009). |
| Deposits |
Blanchard mine (MRDS dep_id: 10150896). |
| Evidence from mineral occurrences |
MRDS; New Mexico Mines Database (McLemore and others, 2005). |
| Geochemical evidence |
See Rakovan and Partey (2009). |
| Geophysical evidence |
Unknown. |
| Evidence from other sources |
Unknown. |
| Comments |
Drill core at NMBGMR. Although the Hansonburg Mining District is rich in barite-fluorite-galena ores it has seen relatively little metal production throughout its history because of metallurgical problems in separating the mixed ores (Rakovan and Partey, 2009). |
| Cover thickness and description |
Exposed at the surface. |
| Authors |
Virginia T. McLemore. |
| New data needs |
Geochemistry, alteration mapping, geophysics. |
| Geologic mapping and modeling needs |
Alteration mapping. |
| Geophysical survey and modeling needs |
High resolution aeromagnetic and aeroradiometric coverage. |
| Digital elevation data needs |
Lidar complete. |
