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National Geologic Map Database

Geologic Unit: Vinita

Usage:

Vinita Beds of Chesterfield Group (VA)
Vinita Formation of Newark Supergroup (VA)
Vinita Shale of Chesterfield Group (VA)
/Vinita beds member [informal] of Tuckahoe Formation (VA)

["Beds Member" not recognized as a formal stratigraphic rank term (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). Considered informal and should not be capitalized.]


Geologic age:

Triassic, Late
Carnian, middle


Type section, locality, area and/or origin of name:

Bluffs along both sides of the James River, especially on the east slope of Goat Hill, between Vinita and Manakin, Goochland Co., VA (Shaler and Woodworth, 1899).


AAPG geologic province:

Piedmont-Blue Ridge province
Richmond basin


For more information, please contact Nancy Stamm, Geologic Names Committee Secretary.

Asterisk (*) indicates usage by the U.S. Geological Survey. Other usages by state geological surveys.

"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 does not conform with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005). This may be explained within brackets ([ ]).