ID: 1101
rec_id: 1101
site_name: Empire iron mine
oremin: A thin zone with one-quarter inch bands of finely fibrous blue-black riebeckite occurs near the base of the iron formation in a host rock of very fine-grained quartz-garnet-biotite"" (Heinrich, 1976, p. 185).
devel: iron mine
json: {"id":"http:\/\/mrdata.usgs.gov\/asbestos\/record\/1101","type":"Feature","geometry":{"type":"Point","coordinates":[-87.600136340592,46.458236957502]},"properties":{"state":"MI","county":"Marquette","site_name":"Empire iron mine","devel":"iron mine","latitude":"46.4583","longitude":"-87.6","oremin":"A thin zone with one-quarter inch bands of finely fibrous blue-black riebeckite occurs near the base of the iron formation in a host rock of very fine-grained quartz-garnet-biotite\"\" (Heinrich, 1976, p. 185).","assocmin":"magnetite, chert, siderite, ankerite, minnesotaite, stilpnomelane, chlorite, biotite","hostrock":"iron-formation","mineral":[{"role":"asbestos","name":"riebeckite"},{"role":"associated","name":"magnetite"},{"role":"associated","name":"chert"},{"role":"associated","name":"siderite"},{"role":"associated","name":"ankerite"},{"role":"associated","name":"minnesotaite"},{"role":"associated","name":"stilpnomelane"},{"role":"associated","name":"chlorite"},{"role":"associated","name":"biotite"}],"reference":[{"citation":"Sliter (1970)","source":"ofr20061211","reference":"Sliter, T.W., 1970, The Empire mine and mill, Palmer, Michigan, in Guidebook for field trips (Field excursions--Pleistocene, Devonian, Precambrian), in connection with Geological Society of America North-Central Section Meeting: Michigan Basin Geological Society, p. 165-170."},{"citation":"Heinrich (1976, p. 185)","source":"ofr20061211","reference":"Heinrich, E.W., 1976, The mineralogy of Michigan: Michigan Department of Natural Resources, Geological Survey Division Bulletin 6, 225 p."}]}}
url: https://mrdata.usgs.gov/asbestos/show-asbestos.php?rec_id=1101