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Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA
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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.

Mineral List

Mineral list contains entries from the region specified including sub-localities
Ankerite
Anorthite
Aragonite
'Asbestos'
Azurite
Calcite
Chalcocite
Chalcopyrite
'Chert'
Chromite
Chrysotile
Cinnabar
'Clay'
Cordierite
Dolomite
Epsomite
Glaucophane
Idrialite
Jamesonite
'Limonite'
Magnesiochromite
Magnesite
Malachite
Marcasite
Mercury
Metacinnabar
Millerite
Opal
Pectolite
'Psilomelane'
Pyrite
Pyrolusite
Quartz
Sassolite
'Serpentine Group'
Tiemannite
Wollastonite


45 entries listed. 31 valid minerals.

Localities in this Region

USA
USA

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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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