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National Geologic Map Database

Geologic Unit: Navarroan

Usage:

Navarroan Stage
An Upper Cretaceous provincial stage in the Gulf and Atlantic Coastal Plains of the US.


Geologic age:

Late Cretaceous (Maastrichtian; Gulfian Provincial Epoch)


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

Not synopsized to date.


AAPG geologic province:

Arkla basin
Atlantic Coast basin
East Texas basin
Florida platform
Gulf Coast basin
Mid-Gulf Coast basin
Ouachita folded belt
South Georgia sedimentary province


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 ([ ]).