Geology of portions of the Humphreys and Sylmar quadrangles
The portions of the Sylmar and Humphreys Quadrangles studied consist of Jurassic? "basement complex" and sediments of Pliocene age and younger. These are brought together along the San Gabriel fault. The Tertiary sediments comprise the Mint Canyon formation, the Modelo formation, the...
Internet
https://thesis.library.caltech.edu/5609/1/Smith_rj_1948.pdfSmith, Raymond James (1948) Geology of portions of the Humphreys and Sylmar quadrangles. Master's thesis, California Institute of Technology. doi:10.7907/CVCZ-CB42. https://resolver.caltech.edu/CaltechTHESIS:03162010-083524702 <https://resolver.caltech.edu/CaltechTHESIS:03162010-083524702>