Doswell Formation
Appearance
Doswsell Group | |
---|---|
Stratigraphic range: Upper Triassic | |
Type | Group |
Unit of | Newark Supergroup |
Sub-units | South Anna Formation, Falling Creek Formation |
Underlies | King George Group |
Overlies | Petersburg Granite |
Thickness | 2,000 ft (610 m) |
Location | |
Region | Virginia |
Type section | |
Named for | Doswell, Virginia |
Named by | Weems |
The Doswell Group is a geologic unit of Upper Triassic age, part of the Newark Supergroup, which forms the lower part of the sedimentary fill of the Taylorsville Basin in Virginia and Maryland. This sequence was deposited by lakes and rivers in the developing rift basin.[1]
References
- ^ LeTourneau, P.M. (2003). "Stratigraphic Architecture and Paleomagnetic Reversal Stratigraphy of the Late Triassic Taylorsville Basin, Virginia and Maryland". In LeTourneau P.M. & Olsen P.E. (ed.). The Great Rift Valleys of Pangea in Eastern North America: Volume 2 (PDF). Edinburgh University Press. ISBN 978-0-231-12676-2. Retrieved 24 November 2012.