The Geology of Delaware

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Map of Selected Piedmont Outcrops

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The Delaware Geological Survey maintains detailed records on outcrops located throughout the state. These records are completed by geologists when visiting the outcrop locations during field work. Many outcrops are on private property; however, we have selected several in the Piedmont area that are easily accessible and allow you to see some of the fascinating geology underlying northern Delaware. Each of the outcrops shown on this map has a small write up describing the mineralogical and structural details that can been seen in the rock outcrop. Please make sure to be respectful of property while observing these geologic treasures.
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