Aragon Hill

Region West, Southwest
Mineral systems
Deposit types
Critical minerals
Other minerals

Information leading to the delineation of this focus area

Basis for focus area New Mexico Mines Database Mines and Districts with Alunite Occurrences (McLemore, 1993, 2017).
Identified resources Historical production of aluminum (alunite, kaolin), gold, and silver.
Production Unknown.
Status Past mining.
Estimated resources Unknown.
Geologic maps Koning and others (2014), scale 1:24,000.
Geophysical data Inadequate aeromagnetic and aeroradiometric coverage.
Favorable rocks and structures Acid-sulfate alteration, original host rhyolite, could have structural control.
Deposits Aragon Hill.
Evidence from mineral occurrences McLemore (1997, 2017).
Geochemical evidence No data.
Geophysical evidence None.
Evidence from other sources Unknown.
Comments These acid sulfate altered areas have been known because of their implications in porphyry Cu exploration. However, they are best modeled as paleo-geothermal systems (hot springs). Anomalous Au, Ga and other elements are found in these areas. Detailed alteration mapping coupled with mineralogy and geochemistry are critical in understanding these systems and determine if they are potential resource for alunite (Al), Au, Ga, Ge, and other critical elements.
Cover thickness and description Exposed at the surface.
Authors Virginia T. McLemore.
New data needs Detailed alteration mapping, chemistry, mineralogy.
Geologic mapping and modeling needs Monticello quadrangle is done, but alteration mapping is not detailed, alteration mapping needed.
Geophysical survey and modeling needs High resolution, Rank 1 aeromagnetic and aeroradiometric coverage (part of proposed Caballo geophysical survey).
Digital elevation data needs Lidar complete.