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Orthoquartzite

Orthoquartzite Also known as silicified sandstone, this is a form of quartzite found in Wisconsin.

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MVAC Educational Programs are supported in part by the National Endowment for the Humanities. Any views, findings, conclusions or recommendations expressed in these programs do not necessarily represent those of the National Endowment for the Humanities. This project was supported in part by the National Science Foundation. Opinions expressed are those of the authors and not necessarily those of the Foundation.