Indiana Geological Survey Post author:Gary Kindel Post published:2009-06-19 Post category:Blog FacebookTweetPinEmailPrint http://igs.indiana.edu/index.cfm FacebookTweetPinEmailPrint Tags: Geology, Indiana Read more articles Previous PostPetrology Resources on the web Next PostGeology Survey of Ohio You Might Also Like Siderite Mesobi Iron Range Duluth Minnesota USA FOV:3.6mm 2021-01-22 Fluorite San Antonio Mine Santa Eulalia Mexico (2002) FOV:1.6 mm 2022-05-23 Tin Mountain Mine, South Dakota 2009-10-10