CALAVERAS COUNTY
Calaveras Crystal mine [also known as Green Mountain mine, Rough Diamond Crystal mine] - Chili Gulch, 2.5 miles SE of Mokelumne Hill. gold, quartz.
Carson Hill mines [includes Melones mine, Stanislaus mine, Morgan mine] - Carson Hill, 4 miles SE of Angels Camp. altaite, calaverite, coloradoite, gold, hessite, melonite, millerite, molybdenite, petzite, sylvanite, tellurium, tetradymite, tetradymite.
Garnet Hill deposits [includes Garnet Hill mine (also known as Miracle Mountain claim), Moore Creek mine] - Garnet Hill, 2 miles west of Salt Springs Res on North Fork of Mokelumne River. andradite, axinite, epidote, molybdenite(MC), quartz, scheelite, tremolite (mountain leather), vesuvianite.
New Melones Dam spillway - 6.5 miles south of Angels Camp. actinolite, albite, calcite, epidote, ferroaxinite, palygorskite, quartz.
Penn mine - 1 mile WNW of Campo Seco. antlerite, bornite, chalcocite, copper, covellite, tetrahedrite.
CONTRA COSTA COUNTY
Mount Diablo mine, [and Ryne mine] - NE side of Mount Diablo, 4 miles SE of Clayton. alunogen, cinnabar, copiapite, coquimbite, hypercinnabar, metacinnabar, morenosite, siderotil, stibiconite, stibnite, valentinite, voltaite.