Kimbrough, David LSmith, DMahoney, J BrianMoore, TimGrove, MartyGastil, R GordonOrtega-Riveira, AFanning, Christopher2015-12-132015-12-130091-7613http://hdl.handle.net/1885/90786The eastern Peninsular Ranges batholith is dominated by voluminous La Posta-type tonalite-granodiorite intrusions that compose half of the magmatic arc at present erosion level. Zircon U-Pb and hornblende 40Ar/39Ar results from these intrusions indicate tKeywords: Batholiths; Magmatic arc; Erosion; Surface topography; Volcanoes; Sediments; batholith; Cretaceous; emplacement; forearc basin; igneous intrusion; sedimentation; Mexico Batholith; Forearc basin; Geochronology; Peninsular rangesForearc-basin sedimentary response to rapid Late Cretaceous batholith emplacement in the Peninsular Ranges of southern and Baja California200110.1130/0091-7613(2001)029<0491:FBSRTR>2.0.CO;22016-02-24