Nevada Fluorspar Mine, Table Mountain Mining District, Pershing County, Nevada, USAi

Regional Level Types
Nevada Fluorspar Mine	Mine
Table Mountain Mining District	Mining District
Pershing County	County
Nevada	State
USA	Country

Structure: Faults

Alteration: Kaolinization, Silification

Deposit: Bedding. In mined area is a fault dipping 35 NE overlain by 2-3 ft silicified rock containing only minor fluorite and a fe W ft of Fe-stained kaolinized shale. Fault is underlain by brecciated, altered Fe-stained material of quartz with lesser fluorite. An extremely irregular high-grade fluorspar body up to 3 ft thick, conformable to overlying fault, is present in the brecciated altered material. Thicker parts of this ore body were mined by a small pit and incline began from the bottom of the pit. Fluorspar occurs in 2 separate zones: in the southern part of the area, a fluorspar zone has been mapped for 350 ft in a ne-s W direction with some more altered fluorite-bearing rock exposed in pits along strike 500 ft farther sw. Zone appears to be 30-40 ft wide with near vertical fault contacts with only slightly altered adjacent rocks. In part of the zone the rock is intensly kaolinized and brecciated with some calcite and minor fluorite. Several calcite-rich bodies are present, the largest of which has sharp but irregular contacts with adjacent rock. Best exposure of mineralized zone is at SE end of a central cross-cutting trench. Material here is very pale orange, friable, vuggy breccia, of quartz, fluorite, calcite, minor barite. There has been little or no production from the southern area. In the northern area, 600 ft north, an arcuate-shaped deposit is 150 ft long e-w, 25 ft wide, with an irregular footwall contact with shale dipping moderately north, conformable to

Deposit type: Low-sulfide Au-quartz vein

Development: Nevada-fluorspar group of 13 claims located 1969 by h. S. Thomas, paul echeverria, and floyd weagant, owned in 1974 by echeverria and nancy ging, produced ore in 1970-71 and 1974 by lessees. Some drilling was done in 1972. Area was included in a large claim group staked in 1980 by asarco, inc. There was no activity when examined in 1984. Some exploratory work was done 1500 ft n W on spar group #1 and #2 lode claims of ted francescotty and charlegilkison, jr.-similar to nev. Fluorspar.

Ore(s): Ne-Dipping Fault

Other Databases

Link to USGS MRDS:	10047474

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References