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Palma group, Hillsboro District, Sierra Co., New Mexico, USAi
Regional Level Types
Palma group- not defined -
Hillsboro DistrictMining District
Sierra Co.County
New MexicoState

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Latitude & Longitude (WGS84):
32° 55' 35'' North , 107° 31' 39'' West
Latitude & Longitude (decimal):
Nearest Settlements:
Hillsboro124 (2011)3.7km
Oasis149 (2011)19.6km
Caballo112 (2011)21.2km
Arrey232 (2011)21.3km
Las Palomas173 (2011)26.2km

Located about one mile South of State Route 180 on the East side of Ready Pay Gulch.

Claims covering the deposit were located in the late 1880's and some manganiferous gold-silver ore was produced at that time. In 1953 and 1954 41 long tons of hand-sorted ore averaging 20.6% mn was produced.

The deposit occurs as narrow strands and irregular masses, at the intersection and, along 2 fractures. One fracture strikes almost due East and dips 50 North, the other fracture strikes N 20 E and is nearly vertical. The better ore ranges from 2 ft to 4 ft thick with local swells of low-grade ore up to 8 ft thick. Two unpatented claims.

Workings reported in 1961 consisted of 3 open cuts up to 40 ft long, a few pits and some inaccessible underground workings.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List

2 valid minerals.

Detailed Mineral List:

Formula: Pb2Fe3+(VO4)2(OH)
Reference: U.S. Geological Survey ( USGS), Mineral Resources Data System (MRDS):, deposit ID 10097806 & MRDS ID D007225
Formula: Mn4+O2
Reference: U.S. Geological Survey ( USGS), Mineral Resources Data System (MRDS):, deposit ID 10097806 & MRDS ID D007225
Reference: U.S. Geological Survey ( USGS), Mineral Resources Data System (MRDS):, deposit ID 10097806 & MRDS ID D007225

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
Group 8 - Phosphates, Arsenates and Vanadates
Unclassified Minerals, Rocks, etc.

List of minerals arranged by Dana 8th Edition classification

Unclassified Minerals, Mixtures, etc.

List of minerals for each chemical element

H CalderónitePb2Fe3+(VO4)2(OH)
O PyrolusiteMn4+O2
O CalderónitePb2Fe3+(VO4)2(OH)
V CalderónitePb2Fe3+(VO4)2(OH)
Mn PyrolusiteMn4+O2
Fe CalderónitePb2Fe3+(VO4)2(OH)
Pb CalderónitePb2Fe3+(VO4)2(OH)


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Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Farnham, L.L. (1961), U.S. Bureau of Mines Information Circular IC-8030: 94-95.
U.S. Geological Survey (USGS), Mineral Resources Data System (MRDS) (2005), file #10097806 & MRDS ID #D007225.

Other Databases

USGS MRDS Record:10097806

Other Regions, Features and Areas containing this locality

North America PlateTectonic Plate

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