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" Did westward subduction cause Cretaceous-Tertiary orogeny in the North American Cordillera? / "
Robert S. Hildebrand
| Document Type
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BL
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| Record Number
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701148
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| Doc. No
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b523337
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| Main Entry
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Hildebrand, R. S., (Robert S.)
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| Title & Author
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Did westward subduction cause Cretaceous-Tertiary orogeny in the North American Cordillera? /\ Robert S. Hildebrand
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| Publication Statement
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Boulder, Colo. :: Geological Society of America,, c2009
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| Series Statement
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Special paper ;; 457
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| Page. NO
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iii, 71 p. :: ill. (some col.), maps (some col.) ;; 28 cm
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| ISBN
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0813724570
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: 9780813724577
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| Bibliographies/Indexes
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Includes bibliographical references (p. 54-71)
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| Contents
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Geological overview of the cordillera -- Why current models fail -- Passive margin and westward correlations -- Fold-thrust belt and exotic slices -- Hinterland belt -- Failed subduction of North America -- Age of thrusting and collision -- Exotic rocks generally considered part of North America -- Superterrane -- Suture -- Slab break-off and development of metamorphic core complexes -- Laramide uplifts and thick-skinned deformation --Slab break-off magmas and the segmented North American plate -- Cordilleran-type batholiths and subducted crust -- Postcollisional magmatism on North America -- Triangle zone -- Mojave-Sonoran segment -- Case for the Phoenix fault -- Mojave-Sonora megashear and orocopia-pelona-rand schists -- Porphyry copper deposits -- Baja-BC and strike-slip faults -- Origin and significance of early to mid-tertiary extension -- Summary of the evolution of the Cordilleran Orogen
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| Subject
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Geology-- North America
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Geology, Stratigraphic
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Orogenic belts-- North America
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| Subject
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Orogeny-- North America
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| LC Classification
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QE621.5.N7H55 2009
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