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National Geologic Map Database

Geologic Unit: Espada

Usage:

Espada Formation (CA)


Geologic age:

Late Jurassic to Early Cretaceous*


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

Type locality (basal part of formation): south side of Canada Honda [Creek] about 3 mi east of Point Pedernales, [Tranquillon Mountain 7.5-min quadrangle], Santa Barbara Co., southern CA. Other exposures: Salsipuedes and El Jaro Canyons, Nojoqui and Alisal Canyons, San Lucas and Wons Canyons (Dibblee, 1950).
[Probably named from The Espada (=? area of historic Ranchos Espada), in southeastern part of Tranquillon Mountain 7.5-min quadrangle, Santa Barbara Co., southern CA.]


AAPG geologic province:

Santa Maria 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 ([ ]).