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- Usage in publication:
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- Rincon Valley Formation
- Modifications:
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- Original reference
- Dominant lithology:
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- Claystone
- Siltstone
- Conglomerate
- Sandstone
- AAPG geologic province:
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- Orogrande basin
Summary:
Pg. 14-15, 35. Rincon Valley Formation of Santa Fe Group. Pink and reddish-brown, gypsiferous claystone and siltstone, conglomerate, and conglomeratic sandstone. Thickness 163 m. Transitionally overlies Hayner Ranch Formation of Santa Fe Group; interbedded with Selden Basalt; unconformably underlies Camp Rice Formation. Age is Miocene; [on map legend age is Miocene(?) and Pliocene].
Type section: Rincon Valley, southeast of San Diego Mountain, in NE/4 NW/4 sec. 8, T. 20 S., R. 1 W., Dona Ana Co., south-central NM.
Source: US geologic names lexicon (USGS Bull. 1520, p. 260).
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 ([ ]).