A mountain range that is part of the Inner Coast Ranges among the northern California coast ranges. They lie S of the Mendocino Range, W of Clear Lake, and E of Ukiah, and extend south into Napa and Sonoma counties. The range stretches for 52 mi (80 km) in a NW-SE direction, and reach an elevation of 4,724 ft (1,440 m) above sea level at Cobb Mountain.
Contact Mine, Castle Rock Springs area, West Mayacmas District, Mayacmas Mts, Sonoma Co., California, USA
Mineral ListMineral list contains entries from the region specified including sub-localities
72 entries listed. 60 valid minerals. 1 type locality (valid mineral).
Localities in this Region
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
This page is currently not sponsored. To sponsor this page click here.
|Fade toolbar when not in focus||Fix toolbar to bottom of page|
|Hide Social Media Links|
|Slideshow frame delay||seconds|