Pleistocene Terrace Deposits in Estero San Antonio Two interpretations of 1 valley by Robert Davies
Location Map
Work completed by n Hitchcock, C.S., Kelson, K.I., 1998, Assessment of Seismogenic Sources between the Rodgers Creek and San Andreas Faults, Northwestern San Francisco Bay Region, Sonoma County, California n Helley, E. J., Lajoie, K. R., Spangle, W. E, Blair, M. L., 1979, Flatland deposits of the San Francisco Bay Region, California—their geology and engineering properties, and their importance to comprehensive planning
Hitchcock and Kelson Qt3 Qt2 Qt3 Qt4
Helley et al.
Time scale
Comparison of dates
Fossil age Ranges
Problems in the maps n Formations mapped differently n units have different ages based on the same fossils!