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Geologic Unit: Vinita
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Map showing publication footprint
  • Usage in publication:
    • Vinita beds*
  • Modifications:
    • Named
  • Dominant lithology:
    • Shale
    • Sandstone
  • AAPG geologic province:
    • Piedmont-Blue Ridge province
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:

Interbedded black shale carrying Estheria ovata and gray sandstone are here apparently [informally] named the Vinita beds, the lower division of the Chesterfield group. Conformably overlies the productive coal measures of the Tuckahoe group and underlies the Otterdale sandstone of the Chesterfield group. Thickness is 2,000 ft (600 m). Age is Late Triassic.

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


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

Milici, R.C. (compiler), Spiker, C.T., Jr. (compiler), and Wilson, J.M. (compiler), 1963, Geologic map of Virginia: Virginia Division of Mineral Resources, scale 1:500,000


Summary:

Vinta [sic] Formation of the Newark Group used on geologic map of Virginia.

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


Map showing publication footprint
  • Usage in publication:
    • Vinita Beds Member
  • 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. Contacts are unconformable. Tuckahoe Formation is divided into (ascending) Lower Barren Beds Member, Productive Coal Measures Member, and Vinita Beds Member. Lower part of the Vinita Beds Member is dominantly lacustrine, but higher in the member, sediments become deltaic-fluvial in origin. The Vinita correlates with the lower part of the Falling Creek Member of the Doswell Formation in the Taylorsville basin. Age of the Vinita is middle Carnian. . [Member names as used in this report are in violation of the NACSN and though presented as formal, should be considered informal.]

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


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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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