"Stratigraphic correlation California Coast Range." . . "Volcanic ash, tuff, etc. California Coast Range." . . "Geochemistry California Coast Range." . . "Geoquímica Estados Unidos California." . . "Geology, Stratigraphic Cenozoic." . . "Rocas piroclásticas Estados Unidos California." . . "Correlación estratigráfica Estados Unidos California." . . "From 65 million years ago" . . "Geological Survey (U.S.)," . . "Estratigrafía Estados Unidos California Cenozoico." . . . . . . . "Correlation of late Cenozoic tuffs in the central Coast Ranges of California by means of trace- and minor-element chemistry" . . "Geochemical approach to correlation of tuffs in Pliocene and Pleistocene marine and nonmarine strata of central California." . . . . . "Correlation of late Cenozoic tuffs in the central coast ranges of California by means of trace- and minor-element chemistry" . . . . . . . . . . . . . . . . . . . "Correlation of late Cenozoic tuffs in the central coast ranges of California by means of trace- and minor-element chemistry : a geochemical approach to the correlation of tuffs in Pliocene and Pleistocene marine and non-marine strata of central California" . . . . . . . . .