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Table of Contents - Special Paper 374

Tectonic evolution of northwestern México and the southwestern USA

Edited by Scott E. Johnson, Scott R. Paterson, John M. Fletcher, Gary H. Girty, David L. Kimbrough, and Arturo Martin-Barajas

Preface		v
1.	Geology and tectonics of the Baja California peninsula and adjacent areas Richard L. Sedlock	1
2.	Ophiolite and volcanic arc assemblages on the Vizcaíno Peninsula and Cedros Island, Baja California Sur, México: Mesozoic forearc lithosphere of the Cordilleran magmatic arc David L. Kimbrough and Thomas E. Moore	43
3.	Four phases of Mesozoic deformation in the Sierra de San Andres ophiolite, Vizcaíno Peninsula, west-central Baja California, México Richard L. Sedlock	73
4.	Mesozoic tectonic evolution of the Peninsular Ranges of southern and Baja California Paul H. Wetmore, Charles Herzig, Helge Alsleben, Michelle Sutherland, Keegan L. Schmidt, Paul W. Schultz, and Scott R. Paterson	93
5.	A model for the North America Cordillera in the Early Cretaceous: Tectonic escape related to arc collision of the Guerrero terrane and a change in North America plate motion Paul J. Umhoefer	117
6.	Paleomagnetism and geobarometry of the La Posta pluton, California D.T.A. Symons, M.J. Walawender, T.E. Smith, S.E. Molnar, M.J. Harris, and W.H. Blackburn	135
7.	Jurassic peraluminous gneissic granites in the axial zone of the Peninsular Ranges, southern California S.E. Shaw, V.R. Todd, and M. Grove	157
8.	Cretaceous plutons of the Peninsular Ranges batholith, San Diego and westernmost Imperial Counties, California: Intrusion across a Late Jurassic continental margin Victoria R. Todd, Stirling E. Shaw, and Jane M. Hammarstrom	185
9.	Geology and geochronology of the granitic batholithic complex, Sinaloa, México: Implications for Cordilleran magmatism and tectonics Christopher D. Henry, Fred W. McDowell, and Leon T. Silver	237
10.	Paired plutonic belts in convergent margins and the development of high Sr/Y magmatism: Peninsular Ranges batholith of Baja-California and Median batholith of New Zealand Andrew J. Tulloch and David L. Kimbrough	275
11.	Geochronological constraints on the tectonic history of the Peninsular Ranges batholith of Alta and Baja California: Tectonic implications for western México Amabel Ortega-Rivera	297
12.	Geothermal gradients in continental magmatic arcs: Constraints from the eastern Peninsular Ranges batholith, Baja California, México David A. Rothstein and Craig E. Manning	337
13.	Late Cretaceous cooling of the east-central Peninsular Ranges batholith (33°N): Relationship to La Posta pluton emplacement, Laramide shallow subduction, and forearc sedimentation Marty Grove, Oscar Lovera, and Mark Harrison	355
14.	Temporal and spatial trends of Late Cretaceous–early Tertiary underplating of Pelona and related schist beneath southern California and southwestern Arizona Marty Grove, Carl E. Jacobson, Andrew P. Barth, and Ana Vucic	381
15.	Offset of Pliocene ramp facies at El Mangle by El Coloradito fault, Baja California Sur: Implications for transtensional tectonics Markes E. Johnson, David H. Backus, and Jorge Ledesma-Vázquez	407
16.	Cenozoic volcanism and tectonics of the continental margins of the Upper Delfin basin, northeastern Baja California and western Sonora Michael Oskin and Joann Stock	421
17.	The Quaternary Moctezuma volcanic field: A tholeiitic to alkali basaltic episode in the central Sonoran Basin and Range Province, México Francisco A. Paz Moreno, Alain Demant, Jean-Jacques Cochemé, Jaroslav Dostal, and Raymond Montigny	117
Index		457