Mine detail: Klau

Location:	San Luis Obispo County, California, United States, North America
Lat / long:	35.62052, -120.90042
dep_id:	10040886
mrds_id:	M055765
Commodity type:	metallic
Major mineral:	Mercury
Operation type:	Unknown
Production size:	Medium ammount of material produced
Development status:	Producer
ore:	Cinnabar
gangue:	Marcasite, Pyrite, Quartz
work_type:	Surface/Underground
alteration:	Kaolinization Of Sediments
conc_proc:	Hydrothermal Solutions
ore_ctrl:	Brecciation Of Sediments
Reporter:	Peterson, Jocelyn A.
hrock_type:	Clastic Sedimentary Rock
Structure:	Local Nw Trending Fractures
Year first produced:	1874
disc_yr:	1868
prod_yrs:	1875 - 1878, 1895 - 1899, 1901 - 1905, 1907 - 1909, 1911 - 1912, 1914 - 1917, 1920, 1924, 1927 - 1947, 1949
References:	Deposit:: HOLMES, G. W., JR., 1965, MERCURY IN CALIFORNIA: IN USBM IC 8252 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. 575 - 580 Deposit:: FRANKE, H. A. 1935, MINES AND MINERAL RESOURCES OF SAN LUIS OBISPO COUNTY, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 51, P. 434 - 455 Deposit:: BAILEY, E.H., USGS, PERSONAL FILES 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