The vector and raster data sets contains the rock unit polygons for the surficial geology for DGS Geologic Map No. 10. This map is of the crystalline bedrock units in the Piedmont of Delaware and adjacent Pennsylvania.
Please Note: Many datasets on this site are available as compressed and zipped 7z files. To "unzip" the 7z file, you must obtain the free and open source 7zip program.
WMS URL: http://maps.dgs.udel.edu/fcgi-bin/geomap10?
Layer Names: de_geomap10
Please give proper credit to the Delaware Geological Survey.
- Appalachian Piedmont
- ArcGIS
- Arden Granite
- Ardentown Granitic Suite
- Baltimore Gneiss
- Barley Mill Gneiss
- bedrock
- Brandywine Blue Gneiss
- Bringhurst Gabbro
- Christianstead Gneiss
- Cockeysville Marble
- cross-sections
- Faulkland Gneiss
- Iron Hill Gabbro
- mapping
- Metapyroxenite and metagabbro (undifferentiated)
- Mill Creek Metagabbro
- New Castle County
- Pegmatite
- Pennsylvania
- Quantum GIS
- Rockford Park Gneiss
- rocks
- Serpentinite
- Setters Formation
- wetlands
- WFS Feature Service
- Wilmington Complex
- Windy Hills Gneiss
- Wissahickon Formation
- WMS Map Service
- Shapefile



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