Wenrich-Verbeek, K.J., 1975, Trace element variation between volcanic series [abs.]: Eos, Transactions, American Geophysical Union, v. 56, p. 473. Authors Wenrich-Verbeek, K.J. Publication Date 1975 Citation Eos, Transactions, American Geophysical Union, v. 56, p. 473. State AZ Province CP County CN Placenames San Francisco Volcanic Field Keywords Geochemistry Volcanic Igneous Petrology More Keywords Geochemistry, Volcanic, Igneous Petrology, AzGeoBib RefNum 11002