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National Geologic Map Database

Geologic Unit: Lytle

Usage:

Lytle Formation of Dakota Group (CO*,NM*,OK*)
Lytle Sandstone (CO*)
[?] Lytle Sandstone Member of [†?]Purgatoire Formation (CO*)


Geologic age:

late Early Cretaceous (Albian)*


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

Not designated. Named from Lytle, in valley of Turkey Creek, in sec. 2, T. 17 S., R. 67 W., El Paso Co., CO (Finlay, 1916).
Reference section: in NE/4 SW/4 SW/4 sec. 18, T. 15 N., R. 2 E., Cimarron Co., OK (Kues and Lucas, 1987).


AAPG geologic province:

Denver basin*
Las Vegas-Raton basin*
Sierra Grande uplift
Palo Duro basin


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