Silver, L.T., and Deutsch, Sarah, 1963, Uranium-lead isotopic variations in zircons: A case study: Journal of Geology, v. 71, p. 721-758. Authors Silver, L.T., and Deutsch, Sarah Publication Date 1963 Citation Journal of Geology, v. 71, p. 721-758. State AZ Province BR County CH Placenames Johnny Lyon Hills Keywords Isotope Geochemistry Geochronology Granitoid More Keywords Isotope Geochemistry, Geochronology, Granitoid, Johnny Lyon Granodiorite - Early Proterozoic, AzGeoBib RefNum 9354