ID: 654
rec_id: 654
site_name: Smedley's asbestos mine
oremin: amphibole asbestos
devel: past producer
json: {"id":"http:\/\/mrdata.usgs.gov\/asbestos\/record\/654","type":"Feature","geometry":{"type":"Point","coordinates":[-75.398638424929,39.940111123866]},"properties":{"state":"PA","county":"Delaware","site_name":"Smedley's asbestos mine","devel":"past producer","latitude":"39.94","longitude":"-75.399","oremin":"amphibole asbestos","assocmin":"serpentine, enstatite, anthophyllite, chlorite","hostrock":"metapyroxenite","source":"ofr20051189","mineral":[{"role":"associated","name":"serpentine"},{"role":"associated","name":"enstatite"},{"role":"associated","name":"anthophyllite"},{"role":"associated","name":"chlorite"}],"reference":[{"citation":"Rand and others (1893, p. 200)","source":"ofr20051189","reference":"Rand, T.D., Jefferis, W.W., and Cardeza, J.T.M., 1893, Mineral localities of Philadelphia and vicinity: Proceedings of the Academy of Natural Sciences of Philadelphia--1892, v. 44, p. 174-202."},{"citation":"Gordon (1922, p. 200)","source":"ofr20051189","reference":"Gordon, S.G., 1922, The mineralogy of Pennsylvania: The Academy of Natural Sciences of Philadelphia Special Publication No. 1, 255 p."},{"citation":"Pearre and Heyl (1960, p. 805, plate 42)","onlink":"http:\/\/pubs.er.usgs.gov\/publication\/b1082K","source":"ofr20051189","reference":"Pearre, N.C., and Heyl, A.V., Jr., 1960, Chromite and other mineral deposits in serpentine rocks of the Piedmont Upland, Maryland, Pennsylvania, and Delaware: U.S. Geological Survey Bulletin 1082-K, p. 707-833, plates 40-47."},{"citation":"Mitchell (1999, p. 173-174)","source":"ofr20051189","reference":"Mitchell, J.R., 1999, Some little-known history of a Pennsylvania amethyst occurrence--Rediscovering Smedley's last amethyst mine: Matrix, v. 7, no. 4, p. 167-176."}]}}
url: https://mrdata.usgs.gov/asbestos/show-asbestos.php?rec_id=654