ID: 1013
rec_id: 1013
site_name: Laytonville quarry
oremin: ""Riebeckite occurs as bluish-black prismatic crystals as much as 1 cm long and 2 mm wide, and as aggregates of radiating greyish-blue fibers."" ""Grunerite occurs in brown fibrous and silky crystals."" (Chesterman, 1966, p. 506)
devel: rock quarry
json: {"id":"http:\/\/mrdata.usgs.gov\/asbestos\/record\/1013","type":"Feature","geometry":{"type":"Point","coordinates":[-123.46312580188,39.617880111652]},"properties":{"state":"CA","county":"Mendocino","site_name":"Laytonville quarry","devel":"rock quarry","latitude":"39.618","longitude":"-123.462","oremin":" \"\"Riebeckite occurs as bluish-black prismatic crystals as much as 1 cm long and 2 mm wide, and as aggregates of radiating greyish-blue fibers.\"\" \"\"Grunerite occurs in brown fibrous and silky crystals.\"\" (Chesterman, 1966, p. 506)","assocmin":"quartz, stilpnomelane, crossite, aegerite, pyrite, deerite, zussmanite, and garnet with riebeckite; stilpnomelane, zussmanite, quartz, oligonite with grunerite","hostrock":"meta-chert (riebeckite), meta-ironstone (grunerite) ","mineral":[{"role":"associated","name":"quartz"},{"role":"associated","name":"stilpnomelane"},{"role":"associated","name":"crossite"},{"role":"associated","name":"aegerite"},{"role":"associated","name":"pyrite"},{"role":"associated","name":"deerite"},{"role":"associated","name":"zussmanite"},{"role":"associated","name":"and garnet with riebeckite; stilpnomelane"},{"role":"associated","name":"zussmanite"},{"role":"associated","name":"quartz"},{"role":"associated","name":"oligonite with grunerite"}],"reference":[{"citation":"Chesterman (1966)","source":"ofr20111188","reference":"Chesterman, C.W., 1966, Mineralogy of the Laytonville quarry, Mendocino County, California, in Bailey, E.H., ed., Geology of northern California: California Division of Mines and Geology Bulletin 190, p. 503-507."}]}}
url: https://mrdata.usgs.gov/asbestos/show-asbestos.php?rec_id=1013