Mine detail: Du Pont Tunnel

<< Back to the map

<< Back to browsing

Location: Gunnison County, Colorado, United States, North America
Lat / long: 38.25944, -107.06701
dep_id: 10014564
mrds_id: D011389
Commodity type: metallic and nonmetallic
Major mineral: Niobium (Columbium)
Minor mineral: REE
Trace mineral: Titanium, Metal, Iron, Manganese, Thorium, Zinc, Phosphorus-Phosphates
Operation type: Unknown
Production size: No production occurred
Development status: Prospect
ore: Pyrochlore
gangue: Anatase, Apatite, Barite, Bastnaesite, Biotite, Calcite, Fluorite, Ilmenite, Magnetite, Monazite, Phlogopite, Pyrite, Rutile, Sphene, Synchisite, Zircon
work_type: Underground
alteration: Oxidation Of Pyrite To Hematite And Goethite; Oxidation Of Rhodochrosite(?) To Mn Oxides
Reporter: Schwochow, Stephen D.
hrock_type: Intrusive Carbonatite
arock_unit: Carbonatite
arock_type: Intrusive Carbonatite
Structure: Gunnison Uplift, San Juan Volcanic Field, Iron Hill Alkalic Complex, Cimarron Fault, Powderhorn Stock
tectonic: Central Cordillera (Southern Rocky Mtns)
disc_yr: 1956
References:
  • Deposit:: HEDLUND, D.C., AND OLSON, J.C., 1975, GEOLOGIC MAP OF THE POWDERHORN QUADRANGLE, GUNNISON AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1178.
  • Deposit:: THOMPSON, J.V., 1983, ECONOMIC POTENTIAL OF THE CARBONATITE AND ALKALIC STOCK AT POWDERHORN, GUNNISON COUNTY, COLORADO, IN HANDFIELD, R.C., ED., GUNNISON GOLD BELT AND POWDERHORN CARBONATITE FIELD TRIP GUIDEBOOK: DREGS, P. 32-42.
  • Deposit:: OLSON, J.C., AND HEDLUND, D.C., 1981, ALKALIC ROCKS AND RESOURCES OF THORIUM AND ASSOCIATED ELEMENTS IN THE POWDERHORN DISTRICT, GUNNISON COUNTY, COLORADO: USGS PROF. PAPER 1049-C.
  • Deposit:: COLORADO DIV. MINES INF. REPTS.
© 2010-2018 Lee C. Baker unless noted. All rights reserved.