The geology of a portion of Humphreys and San Fransisquito Quadrangles
The rocks of this area range in age from the pre-Cambrian Pelona schist to the Recent alluvium. This metamorphic formation is separated from the two sedimentary formations by a formation of two igneous intrusives, which have been faulted into their position between the Pelona schist and the Sespe (O...
Internet
https://thesis.library.caltech.edu/5457/1/Gombotz_jj_1939.pdfGombotz, Joseph John (1939) The geology of a portion of Humphreys and San Fransisquito Quadrangles. Bachelor's thesis, California Institute of Technology. doi:10.7907/3MMF-ME33. https://resolver.caltech.edu/CaltechTHESIS:12172009-094322384 <https://resolver.caltech.edu/CaltechTHESIS:12172009-094322384>