ID: 731
rec_id: 731
site_name: Gem Park complex
oremin: asbestiform winchite, asbestiform richterite, asbestiform riebeckite
devel: occurrence
json: {"id":"http:\/\/mrdata.usgs.gov\/asbestos\/record\/731","type":"Feature","geometry":{"type":"Point","coordinates":[-105.54545696577,38.266898652591]},"properties":{"state":"CO","county":"Fremont","site_name":"Gem Park complex","devel":"occurrence","latitude":"38.2669","longitude":"-105.5449","oremin":"asbestiform winchite, asbestiform richterite, asbestiform riebeckite","assocmin":"aegirine, tremolite-actinolite, augite, phlogopite, vermiculite, dolomite, calcite, barite, apatite, magnetite","hostrock":"pyroxenite, gabbro ","source":"ofr20071182","mineral":[{"role":"asbestos","name":"winchite"},{"role":"asbestos","name":"richterite"},{"role":"asbestos","name":"riebeckite"},{"role":"associated","name":"aegirine"},{"role":"associated","name":"tremolite-actinolite"},{"role":"associated","name":"augite"},{"role":"associated","name":"phlogopite"},{"role":"associated","name":"vermiculite"},{"role":"associated","name":"dolomite"},{"role":"associated","name":"calcite"},{"role":"associated","name":"barite"},{"role":"associated","name":"apatite"},{"role":"associated","name":"magnetite"}],"reference":[{"citation":"Parker and Sharp (1970, p. 10)","onlink":"http:\/\/pubs.er.usgs.gov\/publication\/pp649","source":"ofr20071182","reference":"Parker, R.L., and Sharp, W.N., 1970, Mafic-ultramafic igneous rocks and associated carbonatites of the Gem Park Complex, Custer and Freemont Counties, Colorado: U.S. Geological Survey Professional Paper 649, 24 p., 2 plates."},{"citation":"Armbrustmacher (1984)","onlink":"http:\/\/pubs.er.usgs.gov\/publication\/pp1269","source":"ofr20071182","reference":"Armbrustmacher, T.J., 1984, Alkaline rock complexes in the Wet Mountains area, Custer and Fremont Counties, Colorado: U.S. Geological Survey Professional Paper 1269, 33 p."},{"citation":"Van Gosen and others (2005)","onlink":"http:\/\/pubs.er.usgs.gov\/publication\/b2192","source":"ofr20071182","reference":"Van Gosen, B.S., Lowers, H.A., Bush, A.L., Meeker, G.P., Plumlee, G.S., Brownfield, I.K., and Sutley, S.J., 2005, Reconnaissance study of the geology of U.S. vermiculite deposits--Are asbestos minerals common constituents?: U.S. Geological Survey Bulletin 2192, 8 p."}]}}
url: https://mrdata.usgs.gov/asbestos/show-asbestos.php?rec_id=731