Colorado · La Plata County
Occurrence
Oregon Claims
La Plata County, Colorado, United States
Molybdenum Lead Zinc
Land & claims · BLM · live
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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
PrimaryMolybdenum, Lead, Zinc
Commodity typeMetallic
Deposit
Deposit typeVein
Model85: Polymetallic veins
Deposit sizeN
WorkingsUnderground
Ore controlMetalliferous Veins Controlled By Regional Rectangular Fracture System In Granites And By Local Radial Fracture System Associated With Emplacement Of Chicago Basin Stock.
Materials
Ore mineralsGalena, Molybdenite, Sphalerite
GangueQuartz
Geology
Host rockGranite · Trimble Granite
Associated rockQuartz Monzonite,Rhyolite,Granite · Trimble Granite;Intrusive Bodies And Related Rocks (Younger And Older Bodies Of Chicago Basin Stock)
StructureSan Juan Uplift, San Juan Basin, San Juan Volcanic Field, Needle Mtns Uplift, Chicago Basin Stock, Eolus Batholith, Trimble Stock
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusOccurrence
Description
C.M. Ayers
Community notes
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References
SCHMITT, L.J., AND RAYMOND, W.H., 1977, GEOLOGY AND MINERAL DEPOSITS OF THE NEEDLE MOUNTAINS DISTRICT, SOUTHWESTERN COLORADO: USGS BULL. 1434, 40 P.STEVEN, T.A., AND OTHERS, 1969, MINERAL RESOURCES OF THE SAN JUAN PRIMITIVE AREA, COLORADO: USGS BULL. 1261-F.WORCESTER, P.G., 1919, MOLYBDENUM DEPOSITS OF COLORADO WITH GENERAL NOTES ON THE MOLYBDENUM INDUSTRY: CGS BULL. 14, P. 68-69.
Identification
Deposit ID10014087
MRDS IDD010712
Alternate namesUnpatented Claims: Oregon No. 1, Oregon No. 2
RegionNA
Data scoreB
Coordinates37.57807, -107.59869
Base: USGS MRDS (public domain, frozen 2011). Community notes © their authors, CC-BY. Land data live from BLM.