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Table of Contents - Memoir 204

Backbone of the Americas: Shallow Subduction, Plateau Uplift, and Ridge and Terrane Collision

edited by Suzanne Mahlburg Kay, Víctor A. Ramos, and William R. Dickinson

Preface		v
1.	Anatomy and global context of the North American Cordillera William R. Dickinson	1
2.	Anatomy and global context of the Andes: Main geologic features and the Andean orogenic cycle Víctor A. Ramos	31
3.	Neogene collision and deformation of convergent margins along the backbone of the Americas R. von Huene and C.R. Ranero	67
4.	Relation of flat subduction to magmatism and deformation in the western United States Eugene Humphreys	85
5.	Structural geologic evolution of the Colorado Plateau George H. Davis and Alex P. Bump	99
6.	Three-dimensional kinematics of Laramide, basement-involved Rocky Mountain deformation, USA: Insights from minor faults and GIS-enhanced structure maps Eric A. Erslev and Nicole V. Koenig	125
7.	Cretaceous–Eocene magmatism and Laramide deformation in southwestern Mexico: No role for terrane accretion Michelangelo Martini, Luca Ferrari, Margarita López-Martínez, Mariano Cerca-Martínez, Víctor A. Valencia, and Lina Serrano-Durán	151
8.	Geochemical evolution of igneous rocks and changing magma sources during the formation and closure of the Central American land bridge of Panama Gerhard Wörner, Russell S. Harmon, and Wencke Wegner	183
9.	Mode and timing of terrane accretion in the forearc of the Andes in Ecuador Cristian Vallejo, Wilfried Winkler, Richard A. Spikings, Leonard Luzieux, Friedrich Heller, and François Bussy	197
10.	Influence of the subduction of the Carnegie volcanic ridge on Ecuadorian geology: Reality and fiction François Michaud, Cesar Witt, and Jean-Yves Royer	217
11.	Shallowing and steepening subduction zones, continental lithospheric loss, magmatism, and crustal flow under the Central Andean Altiplano-Puna Plateau Suzanne Mahlburg Kay and Beatriz L. Coira	229
12.	Flat-slab subduction and crustal models for the seismically active Sierras Pampeanas region of Argentina Patricia Alvarado, Mario Pardo, Hersh Gilbert, Silvia Miranda, Megan Anderson, Mauro Saez, and Susan Beck	261