Illinois Group

Sierra County, New Mexico, United States

Fluorine-Fluorite Lead Barium-Barite

Land & claims · BLM · live

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BLM MLRS ↗Claims at this point ↗Surface mgmt ↗

Surface manager + active mining claims at this point, live from BLM. The "open to location" notes are a general 1872-Mining-Law guide, not BLM output — decision-support only; verify with BLM MLRS and on the ground before staking or entry.

Commodities

PrimaryFluorine-Fluorite

SecondaryLead

TertiaryBarium-Barite

Commodity typeB

Deposit

Deposit sizeSmall

WorkingsSurface/Underground

Orebody formLINEAR - FRACTURES OR SMALL DISPLACEMENT FAULTS

Ore controlFault Fissure Control - (See N 70)

Materials

Ore mineralsBarite, Fluorite, Galena

Geology

Host rockQuartzite,Shale,Sandstone,Limestone,Granite · Bliss S.S.-Dk. Red To Black Limy Fine-Gr., Thin-Med. Bedded S.S.;Dk. Brown Thick Bedded L.S., Qtz. Veinlets;Gray To Brown Med-Thick Bedded Dolomitic L.S.;White Coarse-Gr. Feldspathic S.S. And Pebble Cong

StructureThe Sierra Caballos Is Essentially An Eroded Fault Block Of Sedimentary And Igneous Rocks That Has Been Tilted Eastward. Minor Faulting And Folding Was Locally Intense. Most Of The North - Trending Faults Have Downthrown Sides On The East And The Strata Show Drag On That Side., See Comments

Tectonic settingBasin And Range

Economic & production

Development statusProducer

First production1918

Last production1953

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References

ROTHROCK, H. E., JOHNSON, C. H., AND HAHN, A. D., 1946, FLUORSPAR RESOURCES OF NEW MEXICO: N. MEXICO BUREAU OF MINES AND MINERAL RES. BULL. 21 P. 142 - 158WILLIAMS, F. E., 1966, FLUORSPAR DEPOSITS OF NEW MEXICO: U.S. BUREAU OF MINES INFO. CIRC. 8307 P. 94 - 102SHERIDAN, M. J., 1947, UNITED STATES FLUORSPAR CO. PROPERTY, SIERRA CO., NEW MEXICO: BU. MINES REPT. OF INV. 4017, 15 PPHARLEY, G. T., 1934, THE GEOLOGY AND ORE DEPOSITS OF SIERRA COUNTY, NEW MEXICO: NEW MEXICO BUREAU OF MINES AND MINERAL RESOURCES BULL. 10, 220 P.ROTHROCK, H.E., 1945, PRELIMINARY REPORT ON WHITE STAR, OAKLAND, AND UNIVERSAL FLUORSPAR VEINS NEAR HOT SPRINGS, SIERRA COUNTY, NEW MEXICO: U.S. GEOLOGICAL SURVEY STRATEGIC MINERALS INVESTIGATION PRELIMINARY REPORT 3-190.1934 GEOLMAP NEW MEX. BUREAU OF MINES, HARLEY, G. T.1943 DIREXPL U.S. BUREAU MINES1943 GEOCHEM U.S. BUREAU MINES1943 GEOLMAP ROTHROCK, H. F. AND SMALLEY, R. G.WILLIAMS, F. E., 1966, FLUORSPAR DEP. N. MEXICO.

Identification

Deposit ID10110434

MRDS IDW006930

Alternate namesUniversal Mine, White Star Mine, Oakland Mine, Principal Claims, Arizona, Illinois, Montana, Nevada, Texas, Colorado

RegionNA

Data scoreB

Coordinates33.09289, -107.23059