Publication Date:
2011-03-01
Description:
During the Late Cretaceous to early Cenozoic, southern California was impacted by two anomalous tectonic events: (1) underplating of the oceanic Pelona-Orocopia-Rand schists beneath North American arc crust and craton; and (2) removal of the western margin of the arc and inner part of the forearc basin along the Nacimiento fault. The Pelona-Orocopia-Rand schists crop out along a belt extending from the southern Sierra Nevada to southwestern Arizona. Protolith and emplacement ages decrease from 〉90 Ma in the northwest to
Print ISSN:
0016-7606
Electronic ISSN:
1943-2674
Topics:
Geosciences
Permalink