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  • Usage in publication:
    • Otterdale sandstone*
  • Modifications:
    • Named
  • Dominant lithology:
    • Sandstone
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
    • Richmond basin
Publication:

Shaler, N.S., and Woodworth, J.B., 1899, Geology of the Richmond basin, Virginia, IN Walcott, C.D., Nineteenth annual report of the United States Geological Survey to the Secretary of the Interior, 1897-1898; Part II, Papers chiefly of a theoretic nature: U.S. Geological Survey Annual Report, 19, pt. 2, p. 385-519.


Summary:

Thick coarse sandstone in the vicinity of Otterdale, Chesterfield Co., VA, is named Otterdale Sandstone of the Chesterfield Group. It contains tree trunks and fragments and traces of lignite or jet. Overlies the Vinita Beds. Thickness is 500 ft (150 m). Age is Late Triassic.

Source: GNU records (USGS DDS-6; Reston GNULEX).


Map showing publication footprint
  • Usage in publication:
    • Otterdale Formation
  • Modifications:
    • Revised
  • AAPG geologic province:
    • Richmond basin
    • Piedmont-Blue Ridge province
Publication:

Cornet, Bruce, and Olsen, P.E., 1990, Early and middle Carnian (Triassic) flora and fauna of the Richmond and Taylorsville basins, Virginia and Maryland, U.S.A.: Virginia Museum of Natural History Guidebook, no. 1, 83 p.


Summary:

Nomenclature in this report follows Ediger and others (in prep). Richmond basin sequence is divided into three formations (ascending): Tuckahoe, Turkey Branch, and Otterdale Formations of Newark Supergroup. Chesterfield Group not used. The Otterdale is restricted to southern 2/3 of the Richmond basin. It may be present in exposed part of the Taylorsville basin. Age is late Carnian based on palynoflora.

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 ([ ]).

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