Volcanic tuff beds of the Mint Canyon formation
The Mint Canyon formation (Upper Miocene) consists of a series of continental sediments including both fanglomerates and fresh-water lake deposits. The basin of deposition of the lake sediments was near the sea but was apparently definitely separated from it. Some 4000 or more feet of sediments ha...
Internet
https://thesis.library.caltech.edu/776/1/Wallace_re_1940.pdfWallace, Robert Earl (1940) Volcanic tuff beds of the Mint Canyon formation. Master's thesis, California Institute of Technology. doi:10.7907/RC14-TJ83. https://resolver.caltech.edu/CaltechETD:etd-02262009-120144 <https://resolver.caltech.edu/CaltechETD:etd-02262009-120144>