Download Did Westward Subduction Cause Cretaceous-Tertiary Orogeny in by Robert S. Hildebrand PDF
By Robert S. Hildebrand
Read or Download Did Westward Subduction Cause Cretaceous-Tertiary Orogeny in the North American Cordillera? (Special Paper (Geological Society of America)) PDF
Best geology books
Stanford Geological Atlas Of Great Britain And Ireland -1907
Excerpt from Stanford's Geological Atlas of serious Britain and eire: With Plates of attribute FossilsThe scope of this paintings has been enlarged by way of the addition of a caricature of the geological beneficial properties of eire, its counties and major strains of railway; and the topic is illustrated by means of a geological map of the rustic, and by way of 3 illustrations borrowed from Professor E.
This quantity is a suite of papers, preceded via an introductory essay, on coastal physiography. the entire authors have made major contributions to the topic. they're of other nationalities and the papers are, intentionally, now not all fresh ones. during this ebook emphasis has been laid totally on concerns that are of common instead of neighborhood or maybe nearby price.
- Seismic Resistant Steel Structures
- Compaction of Coarse-grained Sediments, II
- Living Earth: A Short History of Life and its Home
- Food Limitation and the Structure of Zooplankton Communities: Proceedings of an International Symposium, West Germany, 1984 (Advances in Limnology S)
- Plugs and Plug Circles: A Basic Form of Patterned Ground, Cornwallis Island, Arctic Canada : Origin and Implications (Geological Society of America Memoir 190)
Additional resources for Did Westward Subduction Cause Cretaceous-Tertiary Orogeny in the North American Cordillera? (Special Paper (Geological Society of America))
Sample text
1980)— sitting on formerly continuous basements. , 2006). However, the presence of Archean basement beneath allochthons in several widely separated locations, such as the Grouse Creek–Albion–Raft River, the Pioneer, and the Priest River complexes (Fig. 5), suggests that the Selway terranes, as well as other areas of Precambrian crystalline basement in the thrust belt, such as the Farmington and Santequin complexes, are Rubian basement and are sitting structurally upon the western margin of the Archean Wyoming craton.
Archeocyathid-bearing limestones and Neoproterozoic diamictite occur all along the Cordillera, but they are missing from the Columbia triangle. ATL—Atlanta lobe of Idaho batholith; B—Butte, Montana; BB—Boulder batholith; BIT—Bitterroot lobe of Idaho batholith; BM—Blue Mountain–Wallowa terranes; C—North Cascades; O— Orcas Island; SRF—approximate trace of proposed Snake River fault; wisz—Western Idaho shear zone. U S A na da Ca S m tfor n k i i S t i Qu a Co as lu tP to ni c m Co pl Va o nc uv es er ll i ex Is C r e ek of a Columbia Triangle rz o sh ne el el l Canadian Segment e BM alt ea ay sh en ino e ba s Or ne Miocen C C ot Ko O Sylvester allochthon sm am at t Range volcanics pla ra on 3 M a Co as ti agma Ma m Late Cretaceous early Tertiary slab break-off plutons he 7 53– 4 i ll e limit of Cord rb 6 ar ssi te r n br ca i an 0– 5 C a r m a ck s Cac ea s nt s wisz n F.
2008), showing the distribution of some exotic terranes within the Rubian superterrane, Cordilleran-type batholiths, and various plutonic suites, including slab break-off plutons and volcanic rocks. Insets show the doubled Cordilleran batholiths in the Canadian Cordillera and a possible reconstruction of Cordilleran batholiths on the Rubian supercontinent. Note how the Lewis and Clark lineament appears to control the northern boundary of the Laramide thick-skinned deformation, whereas the northern boundary of the geomorphological Colorado Plateau appears to be controlled by the Orofino shear zone.