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The Geology of Delaware

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Outcrop Bd42-e: The Cliffs of Alapocas Woods

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Rock Outcrop Bd42-e: The Cliffs of Alapocas Woods

Located in Wilmington, DE, the Cliffs of Alapocas Woods are opposite the old Bancroft Mills across the Brandywine Creek. Along the creek you will find large exposures of Brandywine Blue Gneiss. Compared to other outcrops in the Piedmont of Delaware, the rock examples here are massive. When observed closely, the felsic gneiss displays a medium grain size. Most of early Wilmington was built from the stone from these quarries. These impressive rock features are enjoyed by local rock climbers as well as many who use the Northern Delaware Greenway.

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Rock Outcrop Bd42-e: The Cliffs of Alapocas Woods
Rock Outcrop Bd42-e: The Cliffs of Alapocas Woods
Rock Outcrop Bd42-e: The Cliffs of Alapocas Woods
Rock Outcrop Bd42-e: The Cliffs of Alapocas Woods