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National Geologic Map Database

Geologic Unit: Naashoibito

Usage:

Naashoibito Member of Kirtland Formation (NM)
Naashoibito Member of Kirtland Shale (NM*)
Naashoibito Member of Ojo Alamo Sandstone (NM)


Geologic age:

Late Cretaceous*


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

Type section: Naashoibito Spring, in sec. 1, T. 24 N., R. 12 W., San Juan Co., NM. Named from Naashoibito Spring (Baltz and others, 1966).
Reference section: in sec. 16, T. 24 N., R. 11 W., San Juan Co., NM (Baltz and others, 1966).


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 ([ ]).