Description
Frank Adams And Henry Purrier (Claimants)
Commodities
PrimaryZinc, Copper, Silver
SecondaryGold, Lead
TertiarySelenium, Tellurium
Commodity typeM
Deposit
Deposit sizeY
WorkingsUnderground
Orebody formLENTICULAR
Ore controlOriginal Depositional Control In Fragmental Phase Of Rhyolite Flow
Materials
Ore mineralsChalcopyrite, Galena, Pyrite, Sphalerite
GangueCalcite, Chlorite, Pyrrhotite, Quartz, Sericite
Geology
Host rockFelsic Volcanic Rock,Rhyolite · Dubois Greenstone--Felsite And Felsite Porphyry;Dubois Greenstone--Amphibolite;Metasedimentary Rocks
Associated rockQuartz Monzonite,Diorite · Quartz Diorite To Quartz Monzonite Of Gold Basin
StructureGunnison Uplift; San Juan Volcanic Field, Gunnison Gold Belt, Iris Syncline, Lulu Fault, Gold Basin Stock
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
AlterationNear Best Mineralization, Calcite Occurs As Alteration Replacement And Interstratifies With Sulfides And Tuffaceous Material. Quartz-Chlorite (Propylitic) Alteration Is Partly Sericitic. Silicification (Replacement And Veining) Ranges From Minor To Predominant. Some Argillization.
Economic & production
Development statusPast Producer
Discovery year1898
Identification
Deposit ID10013140
MRDS IDD009270
Alternate namesPatented Claim: Denver City, Ms 11792
RegionNA
Data scoreB
Coordinates38.41722, -106.82868
References
OLSON, J.C., 1976, GEOLOGIC MAP OF THE IRIS QUADRANGLE, GUNNISON AND SAGUACHE COUNTIES, COLORADO: USGS MAP GQ-1286DROBECK, P.A., 1981, PROTEROZOIC SYNGENETIC MASSIVE SULFIDE DEPOSITS IN THE GUNNISON GOLD BELT, COLORADO, IN EPIS, R.C., AND CALLENDER, J.F., EDS., WESTERN SLOPE COLORADO: NEW MEXICO GEOL. SOC. 32D FIELD CONF. GUIDEBOOK, P. 279-286.DROBECK, P.A., 1979, GEOLOGY AND TRACE ELEMENT GEOCHEMISTRY OF A PART OF THE GUNNISON GOLD BELT, COLORADO: COLORADO SCHOOL OF MINES M.SC. THESIS T-2251, P. 22-47.SCHWARZ, T.E., 1906, REPORT ON THE DENVER CITY PROPERTY, SAGUACHE COUNTY, COLORADO: COLORADO STATE PLANNING COMM. UNPUB. REPT., S.P.5) AFIFI, A.M., 1981, STRATIGRAPHY, PETROLOGY, AND STRUCTURE OF PRECAMBRIAN METAVOLCANIC ROCKS IN THE IRIS DISTRICT, GUNNISON AND SAGUACHE COUNTIES, COLORADO, IN EPIS, R.C., AND CALLENDER, J.F., EDS., WESTERN SLOPE COLORADO: NEW MEXICO GEOL. SOC. 32D FIELD CONF. GUIDEBOOK, P. 287-292.6) RIESMEYER, W.D., 1978, GEOLOGIC MAP OF THE DENVER CITY AREA: UNPUB. MAP.7) BLM MINERAL SURVEY MS 11792