Abstract |
1 |
Introduction |
2 |
Problems with the Existing Back-Arc Model |
3 |
A Segmented Orogen |
8 |
Laurentian Passive Margin |
9 |
Great Basin Sector |
11 |
Sevier Fold-Thrust Belt |
11 |
The Hinterland Belt |
19 |
Central Nevada |
20 |
White-Inyo Range |
20 |
Death Valley |
21 |
Western Sierra Nevada Metamorphic Belt |
22 |
Klamath Mountains |
24 |
Jurassic Magmatic Rocks |
27 |
Sierran Region |
27 |
Northwestern Nevada |
30 |
Mojave Desert Region |
31 |
Cretaceous Batholithic Rocks |
33 |
Sierra Nevada Batholith |
34 |
Salinian Block |
37 |
Great Valley Sedimentation and Deformation |
37 |
Coast Range Ophiolite |
40 |
Franciscan Complex |
41 |
Late Cretaceous Deformation and Metamorphism |
42 |
Rand-Pelona-Orocopia-Swakane Subduction Complex |
43 |
Sonoran Sector |
44 |
Transverse Ranges |
44 |
Southern Arizona |
45 |
Mexican Sonora |
47 |
Baja California |
47 |
San Gabriel–Caborca Block |
47 |
Guerrero and Other Mexican Terranes |
48 |
The Great Arc of the Caribbean |
49 |
Peninsular Ranges Batholith |
50 |
Cretaceous Magmatism in the Mojave and Sonoran Deserts |
50 |
Subduction and Fore-Arc Complexes |
51 |
Late Cretaceous Deformation and Metamorphism |
51 |
Canadian Sector |
52 |
Passive Margin |
52 |
Foredeep |
53 |
Canadian Terranes and Superterranes |
53 |
Belt-Purcell-Windermere Supergroups |
54 |
Selwyn Basin |
54 |
Omineca Belt Magmatism |
56 |
Kootenay Terrane |
56 |
Yukon-Tanana Terrane |
57 |
Slide Mountain Terrane |
57 |
Stikinia and Quesnellia |
57 |
Cache Creek Terrane |
58 |
Triassic Overlap Sequence |
58 |
Coast Range Plutonic Complex |
58 |
Cretaceous Overlap Sequence |
59 |
Late Cretaceous–Early Tertiary Magmatism |
62 |
North Cascades |
62 |
Idaho Batholith |
62 |
Blue Mountains Terranes |
64 |
Alaskan Sector |
64 |
Brooks Range, North Slope and Alaskan Orocline |
64 |
Wrangellia Composite Terrane |
66 |
Orogenic Basins in Central Alaska |
67 |
The Chugach Accretionary Complex |
68 |
Discussion |
69 |
Paleozoic Events within the Great Basin and Canadian Sectors |
69 |
Upper Triassic to Middle Jurassic Arcs and Collisions |
71 |
Talkeetna Arc |
71 |
Bonanza Arc |
71 |
Quesnellia-Kootenay-Belt-Purcell-Windermere |
72 |
Black Rock Arc |
72 |
Klamath Arcs |
72 |
Lake Combie–Slate Creek Arc |
74 |
Smartville Arc |
74 |
Sierran Jurassic Arc |
75 |
Slab Break-Off |
77 |
Jurassic Slab-Failure Magmatism |
77 |
Blue Mountains Assembly |
78 |
Jurassic Amalgamation of Rubia |
78 |
Subduction on the Western Side of Rubia |
78 |
Arctic Alaska–Angayucham Collision in Alaska |
79 |
Sevier Fold-Thrust Belt and Early Collision on Western North America |
80 |
Effects of Sevier Collision on the Franciscan Complex and Great Valley Group |
81 |
Plate Reorganization Due to Collision |
81 |
Great Basin Slab-Failure Magmatism and STEP Faults |
81 |
Cretaceous Cordilleran Batholiths |
82 |
Mid-Cretaceous Transpressional Deformation in Batholithic Terranes |
84 |
Folding of Sierra Nevada |
88 |
Doubling of Cordilleran Batholiths in the Canadian Sector |
95 |
The Laramide Event: ~80–75 Ma Deformation and Metamorphism |
98 |
Laramide Collision along the Orogen |
99 |
Cretaceous–Early Tertiary Slab Failure Magmatism |
100 |
Shutdown of Franciscan Subduction |
103 |
Exhumation of Franciscan Complex |
105 |
Northward Migration of Terranes |
107 |
Colorado Plateau and the Laramide Grand Canyon |
111 |
Metamorphic Core Complexes and Hinterland Duplexes |
112 |
Basin and Range Extension |
114 |
Summary of Cordilleran Assembly |
114 |
Carrying the Orogen Southward |
119 |
Problems and Direction for Future Research |
120 |
Acknowledgments |
121 |
References Cited |
123 |