![]() ![]() The Blue Ridge and Piedmont are distinct physiographic areas, but they share similar types of crystalline igneous and metamorphic rocks. Image above: by "formulanone" ( Flickr Creative Commons Attribution-ShareAlike 2.0 Generic license). Updates: Page last updated February 25, 2022. Credits for individual images are given in figure captions. Changes include formatting and revisions to the text and images. ![]() The book was adapted for the web by Elizabeth J. ![]() Ross (published in 2016 by the Paleontological Research Institution currently out of print). Smith, chapter 2 in The Teacher-Friendly Guide to the Earth Science of the Southeastern U.S., 2nd ed., edited by Andrielle N. Topics covered on this page: Overview Precambrian rocks & Grenville Orogeny Late Precambrian and Early Paleozoic rocks Rifting and widening of the Iapetus Ocean Ordovician rocks and the Taconic Orogeny Middle Paleozoic rocks and the Acadian Orogeny Late Paleozoic rocks and the Alleghanian Orogeny Mesozoic rocks and breakup of Pangaea Resources.Ĭredits: Most of the text of this page is derived from "Rocks of the Southeastern US" by Jane A. ![]()
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