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Potlid - Video

MVAC Senior Research Associate Dr. Connie Arzigian explains that potlids are a natural feature that occur in stones when the stones are heated too fast. And if there's moisture in the stone, it will literally pop out a circle of stone.

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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.