New Mexico · Sierra County
Past Producer

Iron Mountain Deposits

Sierra County, New Mexico, United States
GoldSilverCopperLeadFluorine-FluoriteMolybdenumZincTungstenBerylliumIron
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold, Silver, Copper, Lead, Fluorine-Fluorite
TertiaryMolybdenum, Zinc, Tungsten, Beryllium, Iron
Commodity typeB
Deposit
Deposit sizeS
Orebody formIRREGULAR
Ore controlSedimentary Rocks Were Intruded By Igneous Masses Which Replaced Favorable Rock Types By Contact Metasomatism And Altered Other Sedimentary Rocks By Simple Metamorphism.
Materials
Ore mineralsAnglesite, Fluorite, Galena, Garnet, Gold, Helvite, Hematite, Magnetite, Malachite, Powellite, Pyroxene, Scheelite, Smithsonite, Sphalerite, Wulfenite
GangueCalcite, Quartz
Geology
Host rockShale,Limestone · Magdalena Group
Associated rockMonzonite,Rhyolite
StructureSee Comments
Economic & production
Development statusPast Producer
Last production1953
Discovery year1885
Identification
Deposit ID10089321
MRDS IDW017012
Alternate namesHot Spot Extension, Iron Mt. No. 3, Old Adit, Little Hot Spot: Principal Claims: Iron Age No. 1, Iron Age No. 2, Iron Age No. 4, Iron Age No. 5, Iron Mountain, Iron Mt. No. 1, Iron Mt. No. 2, Iron Mt. No. 4, Continental No. 2, Continental Fraction., Alloy No. 1, Iron Reef, Alloy No. 3, Alloy No. 4, Western, Western No. 4, Iron Ridge No. 1, Iron Ridge No. 2, Florence No. 1, Florence No. 3, Florence No. 2, Florence No. 5, Florence No. 7, Florence No. 9, Florence No. 10, Florence No. 11, Florence No. 13, Florence No. 14, Continental No. 1, Grandview, Allow Fraction, North Extension, Parker Fraction, Horse's Head, Backslope, Scheelemite GemHot Spot, Lucky Strike, Black Bed, Beryllium Reef, Upper Star, Lower Star, Beryllium Queen, Beryllium King, Beryllium Chief, Reef Extension, Jackpot No. 1, Jackpot No. 2, Jackpot Extension, Talus, Brown, Iron Mountain Orebodies: Tungsten ReefScheelemite, Parker Strike
RegionNA
Data scoreA
Coordinates33.46871, -107.63754
References
HARLEY, G.T., 1934 NMBMMR BULL 10, P. 118JAHNS, R.H., 1944 USGS BULL 945-C, 34 PAGESSTORMS, W.R., 1947 USBM RI-4024, 13 PAGESSTORMS, W.R., 1947 USBM RI-4035, 5 PAGESLEMMON, D.M., AND TWETO, O.L., 1962, TUNGSTEN IN THE U.S.: USGS MAP, MR-25.HARRER, C., KELLY, F., 1963 USBM IC-8190, P.74-78WILLIAMS, F.E., 1966 USBM IC-8307, P.113-114NMBMMR GENERAL FILE DATADALE, V., MCKINNEY, W., 1959 USBM RI-5517, P.56-65DALE AND MCKINNEY, 1959 P.57-58; WILLIAMS, 1966 P114