By: shelley-jaye
Image: Credit: Robin Rohrback, Mid-Atlantic Geo-Image Collection (M.A.G.I.C.) on GigaPan. CC BY Attribution 3.0
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Uploaded: 13 Jan 2020
Last Updated: 15 Jan 2020
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Crossbeds, a primary sedimentary structure, preserved in Station Hills phyllite from the upper Cambrian-lower Ordovician. Collected in the Piedmont Province in northern Virginia.