Location: | Lake, Napa County, California, United States, North America |
Lat / long: | 38.19989, -122.30105 |
dep_id: | 60000983 |
mrds_id: | M055652 |
Commodity type: | metallic |
Major mineral: | Mercury |
Minor mineral: | Chromium |
Trace mineral: | Manganese, Copper |
Operation type: | Unknown |
Deposit type: | DISSEMINATED, VEINS, STOCKWORKS |
Production size: | Medium ammount of material produced |
Development status: | Producer |
alteration: | KAOLINIZATION SEDIMENTS, SILICA CARBONATE ALTERATION OF SERPENTINE |
conc_proc: | OPEN SPACE FILLING AND REPLACEMENT BY HYDROTHERMAL SOLUTIONS |
ore_ctrl: | MINOR LOCAL FAULTS, GOUGE ZONES, CHANGES IN ATTITUDE |
Structure: | LOCAL FAULTS TRENDING NW, LITHOLOGIC CONTACTS, NW TRENDING ANTICLINE (MAYACMAS ANTICLINE) |
Year first produced: | 1864 |
dy_ba: | > |
disc_yr: | 1850 |
References: |
- YATES, R. G. AND HILPERT, L. S., 1946, QUICKSILVER DEPOSITS OF THE EASTERN MAYACMAS DISTRICT, LAKE AND NAPA COUNTIES, CALIFORNIA: CALIF. JOUR. OF MINES AND GEOLOGY, V. 42 P. 231 - 286
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