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Author : George Walter Tyrrell,Kenneth Stuart Sandford
Publisher : Unknown
Page : 52 pages
File Size : 40,7 Mb
Release : 1933
Category : Diabase
ISBN : STANFORD:36105032148137
Author : Troy Lewis Péwé
Publisher : Norsk Polarinstitut
Page : 40 pages
File Size : 53,7 Mb
Release : 1982
Category : Science
ISBN : UOM:39015001113953
Author : Alan Nairn
Publisher : Springer
Page : 684 pages
File Size : 48,5 Mb
Release : 2013-11-22
Category : Science
ISBN : 9781475712483
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.
Author : E. Hanski,S. Mertanen,T. Rämö,Jouni Vuollo
Publisher : CRC Press
Page : 282 pages
File Size : 43,7 Mb
Release : 2006-09-28
Category : Science
ISBN : 9781000006711
Dyke swarms are remnants of large igneous provinces, and are pointers of continental break-up events, as well as indicators for ancient continental reconstructions. These global geodynamic aspects are of crucial significance in tectonics, and with recent developments in high-precision age, dating it has become possible to enter these short-lived ma
Author : University of Glasgow
Publisher : Unknown
Page : 226 pages
File Size : 41,5 Mb
Release : 1934
Category : Geology
ISBN : IND:30000130778008
Author : Geological Society of America
Publisher : Unknown
Page : 648 pages
File Size : 42,7 Mb
Release : 1949
Category : Geology
ISBN : UOM:39015032005202
Author : University of Glasgow. Dept. of Geology,University of Glasgow. Geological Department
Publisher : Unknown
Page : 232 pages
File Size : 46,8 Mb
Release : 1934
Category : Geology
ISBN : STANFORD:36105016265022
Author : Valentin Nikolaevich Sokolov
Publisher : Unknown
Page : 396 pages
File Size : 53,5 Mb
Release : 1970
Category : Geology
ISBN : UCSD:31822013109681
Author : Royal Society of Edinburgh
Publisher : Unknown
Page : 822 pages
File Size : 48,8 Mb
Release : 1934
Category : Science
ISBN : UCAL:$B222779
List of fellows for 1908- in v. 25.
Author : Royal Society of Edinburgh
Publisher : Unknown
Page : 1118 pages
File Size : 49,9 Mb
Release : 1933
Category : Science
ISBN : STANFORD:36105014946888
Author : P.R.. Dawes,J. W. Kerr
Publisher : Museum Tusculanum Press
Page : 396 pages
File Size : 54,5 Mb
Release : 1982
Category : Geology
ISBN : 8763511509
Author : Walter Brian Harland
Publisher : Unknown
Page : 180 pages
File Size : 41,5 Mb
Release : 1970
Category : Geology
ISBN : STANFORD:36105002763642
Author : Anonim
Publisher : Unknown
Page : 96 pages
File Size : 45,6 Mb
Release : 1986
Category : Geology
ISBN : CHI:25572029
Author : Arctic Institute of North America
Publisher : Unknown
Page : 1524 pages
File Size : 49,7 Mb
Release : 1953
Category : Arctic regions
ISBN : UOM:39015053320936
Author : Anonim
Publisher : Unknown
Page : 774 pages
File Size : 47,7 Mb
Release : 1952
Category : Geology
ISBN : UCAL:B4310642
