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National Geologic Map Database

Geologic Unit: De-na-zin

Usage:

De-na-zin Member of Kirtland Formation (NM)


Geologic age:

Late Cretaceous (Maastrichtian)


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

Type area: exposed in NW/4 sec. 19, T. 24 N., R. 11 W., Alamo Mesa East 7.5-min quadrangle, San Juan Co., northwestern NM. Origin of name not stated (Hunt and Lucas, 1992).


AAPG geologic province:

San Juan 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 conflicts with nomenclatural guidelines (CSN, 1933; ACSN, 1961, 1970; NACSN, 1983, 2005, 2021). May be explained within brackets ([ ]).