Commodities
PrimaryGold, Silver
TertiaryZinc, Lead
Commodity typeM
Deposit
Deposit sizeS
Ore controlMetamorphosed Sea-Floor Chert Bed Intercalated In Submarine Volcanic Sequence
Materials
Ore mineralsGalena, Gold, Sphalerite
GangueMagnetite
Geology
Host rockQuartzite,Schist,Amphibolite,Granite · Dubois Greenstone--Metabasalt, Meta-Andesite;Dubois Greenstone--Quartzite
Associated rockQuartz Monzonite,Granite · Leucogranite And Quartz Monzonite
StructureGunnison Uplift, San Juan Volcanic Field, Gunnison Gold Belt, Iron Hill Alkalic Complex
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Last production1932
Identification
Deposit ID10014383
MRDS IDD011129
Alternate namesSouth Beaver Mill Site, MS 6907b, Continental, MS 13410, Iron Clad, MS 13410, Minnehaha, MS 13410, King, MS 13410, Oro, MS 13410, Summit, MS 13410, Lone Star, MS 17163, Beaver, MS 17165, Pueblo, MS 18715, Mascot, MS 18894, Little Hope, MS 18894, Boston, MS 20538, Fairview, MS 20538, Midland District, Patented Claims: Noah, MS 6907a, Golden Ark, MS 6907a, Gold Cord, MS 12592
RegionNA
Data scoreB
Coordinates38.34222, -106.92368
References
SHERIDAN, D.M., AND OTHERS, 1981, PRECAMBRIAN SULFIDE DEPOSITS IN THE GUNNISON REGION, COLORADO, IN EPIS, R.C., AND CALLENDER, J.F., EDS., WESTERN SLOPE COLORADO: NEW MEXICO GEOL. SOC. 32D FIELD CONF. GUIDEBOOK, P. 273-277.OLSON, J.C., AND OTHERS, 1975, GEOLOGIC MAP OF THE SPRING HILL CREEK QUADRANGLE, SAGUACHE COUNTY, COLORADO: USGS MAP MF-713.HEDLUND, D.C., AND OLSON, J.C., 1975, GEOLOGIC MAP OF THE POWDERHORN QUADRANGLE, GUNNISON AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1178.COLORADO DIV. MINES INSP. REPTS.BLM MINERAL SURVEYS MS 6907A&B, 12592, 13410, 17163, 17165, 18715, 18894, 20538