Matawan Formation | |
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Stratigraphic range: Cretaceous | |
![]() Matawan Formation containing large concretions, Gibson Island (c. 1917) | |
Type | Sedimentary |
Location | |
Region | Maryland, New Jersey |
Country | United States |
Type section | |
Named for | Matawan Creek |
Named by | William Bullock Clark [1] |
The Matawan Formation is a geologic formation in Maryland and New Jersey. It preserves fossils dating back to the Cretaceous period.
A description of the formation in Maryland from the USGS Tolochester Folio (1917) follows: