- Usage in publication:
-
- Newfound Member*
- Modifications:
-
- Named
- Dominant lithology:
-
- Sandstone
- Conglomerate
- Siltstone
- AAPG geologic province:
-
- Piedmont-Blue Ridge province
- Taylorsville basin
Summary:
The upper member of the Doswell Formation is here named the Newfound Member for the Newfound River, a tributary of the South Anna River, Hanover Co., VA. It consists of two broadly intertonguing facies, a massive, cross-bedded sandstone and conglomerate facies, and a massive brown and red sandstone and siltstone facies. Conformably overlies the Falling Creek Member and unconformably underlies Miocene and Holocene unconsolidated strata. Thickness is 3000 ft (900 m). Age is Late Triassic (middle and late Carnian).
Source: GNU records (USGS DDS-6; Reston GNULEX).
For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.
Asterisk (*) indicates published by U.S. Geological Survey authors.
"No current usage" (†) implies that a name has been abandoned or has fallen into disuse. Former usage and, if known, replacement name given in parentheses ( ).
Slash (/) indicates name conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).