A Study of Miocene Vulcanism in Southern California
The widespread Miocene volcanic rocks of Southern California represent at least four distinct epochs of activity. Lower Miocene vulcanism is represented by the basic hypersthene andesite flows north of Soledad Canyon and east of Mint Canyon. Lower middle Miocene flows are found in the Santa Monica M...
Internet
https://thesis.library.caltech.edu/5513/1/Bonillas_y_1935.pdfBonillas, Ygnacio, III (1935) A Study of Miocene Vulcanism in Southern California. Master's thesis, California Institute of Technology. doi:10.7907/BZRE-N110. https://resolver.caltech.edu/CaltechTHESIS:01122010-091637518 <https://resolver.caltech.edu/CaltechTHESIS:01122010-091637518>