U.S. Geological Survey Home AASG Logo USGS HOME CONTACT USGS SEARCH USGS
National Geologic Map Database
Geologic Unit: Tyler
Search archives
Map showing publication footprint
  • Usage in publication:
    • Tyler Greensand Member
  • Modifications:
    • Mapped 1:250k
  • Dominant lithology:
    • Greensand
  • AAPG geologic province:
    • East Texas basin
Publication:

Barnes, V.E. (project director), 1975, Geologic atlas of Texas, Tyler sheet [revision of 1964 ed.]: University of Texas-Austin, Bureau of Economic Geology Geologic Atlas of Texas, 1 sheet, scale 1:250,000, John T. Lonsdale memorial edition


Summary:

Tyler Greensand Member of Sparta Sand. Quartz-glauconite greensand, grayish green, massive, locally cross-bedded; weathers dark reddish brown, abundant ironstone concretions. Occurs near top of Sparta. Age is Eocene.
[Mapped in vicinity of Tyler, Smith Co., eastern TX.]

Source: Publication.


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 ([ ]).

Accessibility FOIA Privacy Policies and Notices

USA Gov U.S. Department of the Interior | U.S. Geological Survey
Supported by the National Cooperative Geologic Mapping Program
Page Contact Information: Personnel
Page Last Modified: Thu 04 Apr 2024 04:10:36 PM MDT