TY - RPRT TI - Lead isotope compositions of Late Cretaceous and early Tertiary igneous rocks and sulfide minerals in Arizona: Implications for the sources of plutons and metals in porphyry copper deposits AU - R. M. Bouse AU - J. Ruiz AU - S.R. Titley AU - R. M. Tosdal AU - J. L. Wooden PY - 1999 DO - 10.2113/gsecongeo.94.2.211 UR - https://pubs.usgs.gov/publication/70021711 ID - 70021711 ER -