16 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



Page 



Geology 36 



Basement Rocks 36 



Neocene Rocks 37 



Faunal Relations of the Temblor 40 



Monterey Shale 44 



Santa Margarita Group 45 



Etchegoin Group 47 



Paso Rohles Formation 48 



Stream Gravels 48 



Structure 50 



Economic Geology 51 



Oil and Gas 51 



Gold 52 



Other Metals 52 



DESCRIPTION OF SPECIES 52 



