Mine detail: Polar Star

Previously called 'Santa ClaraBlack Hawk'

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Location: San Luis Obispo County, California, United States, North America
Lat / long: 35.74273, -121.27127
dep_id: 10040902
mrds_id: M055786
Commodity type: metallic
Major mineral: Mercury
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Cinnabar
orebody_fm: PODS
work_type: Surface/Underground
alteration: Silica Carbonate Alteration Of Serpentine
conc_proc: Hydrothermal Solutions
ore_ctrl: Breccia Zone
Reporter: Peterson, Jocelyn A.
hrock_type: Clastic Sedimentary Rock
disc_yr: 1870
prod_yrs: 1904, 1935 - 1937, 1940 - 1944, 1946
References:
  • Deposit:: HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252
  • Deposit:: BAILEY, E. H., USGS, PERSONAL FILES
  • Deposit:: ECKEL, E. B., YATES, R. G., AND GRANGER, A. E., 1940, QUICKSILVER DEPOSITS IN SAN LUIS OBISPO COUNTY AND SOUTHWESTERN MONTEREY COUNTY CALIFORNIA: USGS BULL. 922-R, P. 515 - 580
  • Deposit:: FRANKE, H. A., 1935, MINES AND MINERAL RESOURCES OF SAN LOUIS OBISPO COUNTY, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 31, P. 434 - 455
  • Deposit:: 5) BRADLEY, W.W., 1918, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG BULL. 78, 389 P.
  • Deposit:: 6) RANSOME, A.L. AND KELLOGG, J.L., 1939, QUICKSILVER RESOURCES OF CALIFORNIA: CJMG, V. 35, P. 353-486
  • Production:: USBM DATA
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