Published on The Delaware Geological Survey (http://www.dgs.udel.edu)

Home > Printer-friendly > Printer-friendly

Outcrop Bc44-f: The Tatnall Preschool Grounds

The Tatnall Preschool Grounds contain many light-colored, coarse-grained, igneous-looking rocks (Barley Mill Gneiss) with mafic enclosures. These mafic enclosures make up only a sm