Foreword
Paleogeographic and Tectonic Implications of Triassic Fossils and Strata from the Antimonio Formation, Northwestern Sonora, G. D. Stanley, Jr., and C. M. González-León
Ichthyosaurs from the Upper Triassic of Sonora and the Biochronology of Triassic Ichthyosaurs, S. G. Lucas and C. M. González-León
Stratigraphy and Structure of the Lower Part of the Bisbee Group, Northeastern Chiricahua Mountains, Arizona, T. F. Lawton and G. A. Olmstead
Stratigraphy and Paleontology of the Early Cretaceous Cerro de Oro Formation, Central Sonora, C. M. González-León and S. G. Lucas
Biostratigraphy of the Lower Cretaceous Bisbee Group, Rancho Culantrillo Area, Northeastern Sonora, M. del Carmen Rosales-Domínguez, J. Manuel Grajales-Nishimura, M. Antonieta Sánchez-Ríos, M. Eugenia Gómez-Luna, and M. Antonio Dueñas
Jurassic-Cretaceous Paleogeography of the Magdalena Region, Northern Sonora, and Its Influence on the Positioning of Tertiary Metamorphic Core Complexes, J. A. Nourse
Paleogeography and Provenance of the Lower Cretaceous Bisbee Group in the Caborca–Santa Ana Area, Northwestern Sonora, C. Jacques-Ayala
Southwestern Extension of the Papago Terrane into the Altar Desert Region, Northwestern Sonora, and Its Implications, T. Calmus and M. Sosson
Cenomanian Thrust Tectonics in the Sahuaripa Region, Sonora: Implications about Northwestern Mexico Megashears, M. Pubellier, C. Rangin, B. Rascon, J. Chorowicz, and H. Bellon
Stratigraphy, Depositional Environments, and Origin of the Cabullona Basin, Northeastern Sonora, C. M. González-León and T. F. Lawton
Paleontology of the Upper Cretaceous Cabullona Group, Northeastern Sonora, S. G. Lucas, B. S. Kues, and C. M. González-León
Cretaceous Stratigraphy and Structure of the Sierra Grande, Northeastern Chihuahua, R. Monreal
Jurassic Volcanic Rocks in Northeastern Mexico: A Possible Remnant of a Cordilleran Magmatic Arc, N. W. Jones, J. W. McKee, T. H. Anderson, and L. T. Silver
Emplacement of the Nucleus of the San Telmo Pluton, Baja California, from Geochronologic, Fracture, and Magnetic Data, L. A. Delgado-Argote, M. López-Martínez, M. A. Pérez-Flores, and R. Fernández-Tomé
Index