Massa Hill nephrite locality

occurrence of asbestos in Marin county, CA

Geologic information

Name of siteMassa Hill nephrite locality
Developmentoccurrence
StateCA
CountyMarin
Geographic location:-122.68, 38.1769
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Fibrous mineralchrysotile, white fibrous tremolite
Associated mineralsserpentine; long
fibrous nephrite; white
fibrous tremolite
Host rock typesserpentinite
Geologic map unit-122.68, 38.1769
Nearby scientific dataFind additional scientific data near this location

Reference information

Chesterman, C.W., 1976b, Nephrite in Marin County, California [Reprinted from Special Report 10-B, July 1951], in California jade--A collection of reprints: California Division of Mines and Geology Special Publication 49, p. 19-27.