Baltimore Gneiss | |
---|---|
Stratigraphic range: Precambrian | |
Type | Geological formation |
Underlies | Setters Formation |
Lithology | |
Primary | Gneiss |
Other | Paragneiss and amphibolite |
Location | |
Region | Piedmont of eastern North America |
Country | United States |
Extent | Maryland |
Type section | |
Named for | Baltimore |
The Baltimore Gneiss is a Precambrian geological formation in the Piedmont region of Maryland, Pennsylvania, and Delaware.[1]