Cambrian to Upper Silurian Stratigraphy, Somerset Island and Northeastern Boothia Peninsula, District of Franklin, N.W.T.
Author | : Andrew D. Miall |
Publisher | : Geological Survey of Canada |
Total Pages | : 58 |
Release | : 1980 |
Genre | : Science |
ISBN | : |
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Author | : Andrew D. Miall |
Publisher | : Geological Survey of Canada |
Total Pages | : 58 |
Release | : 1980 |
Genre | : Science |
ISBN | : |
Author | : Andrew D. Miall |
Publisher | : |
Total Pages | : |
Release | : 1979 |
Genre | : Geology |
ISBN | : 9780660104553 |
Author | : H.P. Trettin |
Publisher | : Geological Society of America |
Total Pages | : 581 |
Release | : 1991 |
Genre | : Science |
ISBN | : 081375450X |
Fourteen chapters discuss regional stratigraphy by time intervals from Precambrian to Quaternary, while other chapters describe the geography, geomorphology, tectonics, geophysical characteristics, and resources of the region. A summary chapter includes geologic maps, structural cross-sections, a geotectonic correlation chart, a gravity map, and a location map for exploration wells in the Arctic Islands and northern Greenland. A wealth of additional information is contained on the nine accompanying plates.
Author | : W. D. Stewart |
Publisher | : Geological Survey of Canada 1987. |
Total Pages | : 98 |
Release | : 1987 |
Genre | : Science |
ISBN | : |
Description of the geology of Somerset Island and Boothia Peninsula, dominated by the Boothia Uplift with an Archean-Aphebian crystalline core flanked by sedimentary rocks of the Arctic platform and an overlying Paleozoic succession.
Author | : Alan Nairn |
Publisher | : Springer |
Total Pages | : 684 |
Release | : 2013-11-22 |
Genre | : Science |
ISBN | : 1475712480 |
This trip backward in time capsulizes in a general way the geologic development of the area that is now northern Alaska. The Cretaceous through Recent history is predominantly one of erosion of the ancient Brooks Range and filling of the Colville Geosyncline under processes like those in Operation today. All the rocks older than Jurassic, however, were deposited far from their present sites. One of the intriguing tectonic puzzles involves the geographic positions and relative timing of events that occurred during the orogeny that built the Brooks Range. I suggest that pre-Cretaceous deposition took place far to the north along the western margin of the Caledonides. Subsequently, the region that is now northern Alaska moved southward and impinged upon a northward moving plate, or plates, from the Pacific region. Interactions between these two major parts of the earth's crust produced the Brooks Range during the Jurassic. Later developments reflect continuing readjustments of the northern third of of thrust Alaska as southward movement was dissipated in diverse systems faulting and lateral displacement. ACKNOWLEDGMENTS I am indebted to many colleagues who, during the past 30 years, shared with me the excitement and pleasures of exploring the geology of northern Alaska. Among these are W. P. Brosge, H. N. Reiser, R. L. Detterman, A. K. Armstrong, A. L. Bowsher, E. G. Sable, I. L. Tailleur, C. G. Mull, M. D. Mangus, A. H. Lachenbruch, M. C. Lachenbruch, R. L. Morris, C. J.