Colorado · Eagle County
Past Producer

Eagle Mine

Eagle County, Colorado, United States
ZincSilverCopperLeadGoldManganese
⌖ Show on mapUSGS source ↗
Commodities
PrimaryZinc, Silver, Copper, Lead, Gold
SecondaryManganese
Commodity typeM
Deposit
Model72: Polymetallic replacement
WorkingsUnderground
Materials
Ore mineralsChalcopyrite, Galena, Sphalerite, Tetrahedrite
GangueDolomite, Pyrite, Quartz, Siderite, Barite
Geology
Host rockOrthoquartzite,Mixed Clastic/Carbonate Rock,Dolomite,Clastic Sedimentary Rock · "Sawatch Quartzite", "Peerless Formation", "Parting Formation", "Dyer Dolomite", "Leadville Dolomite", "Belden Formation", "Minturn Formation"
Associated rockGranite,Sandstone,Quartz Latite · "Cross Creek Granite", "Harding Sandstone", "Gilman Sandstone", "Pando Porphyry"
StructureNE flank of Sawatch anticline
Alterationdolomitization and dissolution
Economic & production
Development statusPast Producer
First production1879
Discovery year1879
Identification
Deposit ID10190716
MRDS IDDC04486
Alternate namesNew Jersey Zinc Co. Eagle Mine, Gilman Mine, includes the Little Chief, Iron Mask, Belden, and Black Iron mines
RegionNA
Data scoreA
Coordinates39.52859, -106.39591
References
Long, K. R., DeYoung, J. H., Jr., and Ludington, S. D., 1998, Database of significant deposits of gold, silver, copper, lead, and zinc in the United States: Geological Survey Open-File Report 98-206, pt. B.Radabaugh, R. E., Merchant, J. S., and Brown, J. M., 1968, Geology and ore deposits of the Gilman (Red Cliff, Battle Mountain) district, Eagle County, Colorado, in Ridge, J. D., editor, Ore deposits of the United States, 1933-1967 (Graton-Sales volume): New York, American Institute of Mining Engineers, p. 641-664.Smith, D.A., 1977, Colorado Mining--A photographic history: Albuquerque, Univ. of New Mexico Press, 176 p.LOVERING, T. S., OGDEN TWETO, AND T. G. LOVERING. ORE DEPOSITS OF THE GILMAN DISTRICT, EAGLE COUNTY, COLORADO, U.S. GEOLOGICAL SURVEY PROF. PAPER 1017, 1978, 90 PP.GULF & WESTERN SEC FORM 10-K, JUL 31, 1977, P. 7.GULF & WESTERN SEC FORM 10-K, JUL 31, 1978, P. 26, 27.GENTRY, D. W. LEAD & ZINC IN COLORADO & WYOMING, BUMINES GRANT GO264005, SEP 1976, 211 PP.MINING ENGINEERING MAGAZINE. NEW JERSEY ZINC, THE EAGLE MINE, DECEMBER 1953, PP. 1224-5.