West Mayacamas Mining District

A Mercury mining area in the NE corner of Sonoma County, covering a mineralizaed zone about 20 miles long and 2 miles wide. The area trends NW along the border with Lake County. 

 

WESTERN MINES INTERACTIVE MAP

 

IDRIALITE LOCATIONS

Culver-Baer Mine - Idrialite
Great Western Mine Middletown - Take Great Western Mine Road - Idrialite 
Socrates Mine
Contact Mine
Esperanza Mine
Great Western-Mirabel group Middletown
Mercury Bank Mine Big Sulphur Creek, Geyser Road
Livermore Quicksilver Mine Geyser Road
Unnamed Hg prospect Geyser Road