TY - RPRT TI - New SHRIMP-RG U-Pb zircon ages and Sm-Nd analyses of Proterozoic metamorphic rocks of the San Gabriel basement terrane: Keys for Laurentian crustal reconstruction AU - Wayne R. Premo AU - Jonathan A. Nourse AU - Pedro Castineiras AU - Karl S. Kellogg PY - 2007 UR - https://pubs.usgs.gov/publication/70209608 ID - 70209608 ER -