Usage:
Agua Zarca Sandstone Member of Chinle Formation (NM*-recognized locally in Rio Arriba and Sandoval Cos.)
Geologic age:
Late Triassic*
Type section, locality, area and/or origin of name:
Type locality: Agua Zarca Creek [Agua Sarca], Arroyo Del Agua 7.5-min quadrangle, Rio Arriba Co., northwestern NM (Momper and Tyrrell, 1957; GNC index card files).
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 ([ ]).