This list includes stratigraphic units and structural geologic features in Eastern Massachusetts, grouped by age.
Stratigraphic Units
Eastern Massachusetts
Proterozoic Mattapan Volcanic Complex Lynn Volcanic Complex Middlesex Fells Volcanic Complex
Cambrian Weymouth Formation Greenlodge Formation Braintree Argillite
Silurian-Devonian Newbury Volcanic Complex
Pennsylvanian (Late Carboniferous) Bellingham Conglomerate Narragansett Bay Group
Structural Geologic Features
Eastern Massachusetts Basins, Zones, Troughs & Blocks Bellingham Basin Boston Basin Burlington mylonite zone Middleton Basin Nantucket Basin Narragansett Basin Nashoba Zone Nashua trough Newbury Volcanic Zone Norfolk Basin
Faults Bloody Bluff fault Clinton-Newbury fault
References