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![]() Date: 2008-01-31 10:23:11Igneous rocks Proterozoic Volcanology Geology of Minnesota Granophyre Layered intrusion Duluth Complex Anorthosite Midcontinent Rift System Geology Petrology Igneous petrology | Add to Reading List |
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![]() | Publications available in Print Page 1 All Minnesota Geological Survey [MGS] publications are available in digital formats, free of charge from the website, www.mngs.umn.edu, including thoseDocID: 1raTB - View Document |
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