عنوان

Did westward subduction cause Cretaceous-Tertiary orogeny in the North American Cordillera? /

(pbk.)

(pbk.)

0813724570

9780813724577

b523337

Did westward subduction cause Cretaceous-Tertiary orogeny in the North American Cordillera? /

[Book]

Robert S. Hildebrand

Boulder, Colo. :

Geological Society of America,

c2009

iii, 71 p. :

ill. (some col.), maps (some col.) ;

28 cm

Special paper ;

457

Includes bibliographical references (p. 54-71)

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

0

Geology-- North America

Geology, Stratigraphic

Orogenic belts-- North America

Orogeny-- North America

Hildebrand, R. S., (Robert S.)

20090805031842.0

[Book]

Y