Petrography and geochemistry of Early Proterozoic granitoid rocks in Wisconsin magmatic terranes of Penokean orogen, northern Wisconsin Sims, P. K. (Paul Kibler) 1918-2011 creator author. Geological Survey (U.S.) issuing body. text bibliography vau 1993 monographic eng remote 1 online resource (iv, 31 pages) : illustrations, maps. by P.K. Sims [and three others]. Title from title screen (viewed Aug. 25, 2014). Includes bibliographical references (pages 27-29). n-us-wi Geochemistry Wisconsin Geology Wisconsin Geology, Stratigraphic Proterozoic Granite Wisconsin Granodiorite Wisconsin Geochemistry Geology Geology, Stratigraphic Granite Granodiorite Proterozoic Geologic Period Wisconsin From 570 million to 2 billion years ago fast I 19.3:1904-J I 19.3:1904-J Petrography and geochemistry of Early Proterozoic granitoid rocks in Wisconsin magmatic terranes of Penokean orogen, northern Wisconsin Sims, P. K. (Paul Kibler), 1918-2011. (DLC) 93025264 (OCoLC)28293552 U.S. Geological Survey bulletin ; 1904-J Contributions to Precambrian geology of Lake Superior region ; ch. J https://purl.fdlp.gov/GPO/gpo68143 COP 140901 20211120174143.0 in00003797766 eng