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National Geologic Map Database

Geologic Unit: Banco Bonito

Usage:

Banco Bonito Flow of East Fork Member of Valles Rhyolite of Tewa Group (NM-local)
Banco Bonito Member of Valles Rhyolite of Tewa Group (NM*-local)
Recognized locally in Sandoval Co.


Geologic age:

Quaternary (Pleistocene)*


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

Notable exposures in canyons in vicinity of Battleship Rock, Jemez Mountains, in T. 19 N., R. 1 E., Sandoval Co., NM (Kelley and others, 1961).
Named from Banco Bonito, the steep slope forming the south margin of the flow in central part of Jemez Springs 7.5-min quadrangle, [Sandoval Co.], north-central NM (Bailey and others, 1969).


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