Mine detail: Unnamed Placer

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Location: Jefferson County, Colorado, United States, North America
Lat / long: 39.74305, -105.28975
dep_id: 10013742
mrds_id: D010202
Commodity type: metallic
Major mineral: Gold
Operation type: Unknown
Deposit type: Placer
Production size: Small ammount of material produced
Development status: Past Producer
ore: Gold
work_type: Surface/Underground
conc_proc: Gravity Concentration And Streamflow Processes
ore_ctrl: Coarse Gravel And Boulders Near Bedrock Contact
Reporter: Schwochow, Stephen D.
hrock_unit: Piney Creek Alluvium;Post-Piney Creek Alluvium
hrock_type: Sand and Gravel
Structure: Front Range Uplift, Denver Basin, Junction Ranch Fault Zone
tectonic: Central Cordillera (Southern Rocky Mtns)
Year first produced: 1935
yr_lst_prd: 1935
References:
  • Deposit:: PARKER, B.H., JR., 1974, GOLD PLACERS OF COLORADO: COLORADO SCHOOL OF MINES QUART., V. 69, NO. 3, P. 63-126.
  • Deposit:: SHERIDAN, D.M., AND OTHERS, 1972, GEOLOGIC MAP OF THE EVERGREEN QUADRANGLE, JEFFERSON COUNTY, COLORADO: USGS MAP I-786-A.
© 2010-2018 Lee C. Baker unless noted. All rights reserved.