Download or read book Precambrian of the Northern Hemisphere written by and published by Elsevier. This book was released on 2011-08-26 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: Precambrian of the Northern Hemisphere

Download or read book Geological Survey Bulletin written by and published by . This book was released on 1973 with total page 1324 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey of Canada Open File 2373 written by and published by Natural Resources Canada. This book was released on with total page 218 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Arctic Ocean written by Alan Nairn and published by Springer. This book was released on 2013-11-22 with total page 684 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Download or read book Brock River Map area District of Mackenzie 97 D written by H. R. Balkwill and published by . This book was released on 1970 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gently folded, unmetamorphosed Upper Proterozoic (Hadrynian or Neohelikian) sedimentary rocks, with a total exposed thickness of about 6,000 feet, underlie most of the map-area; gabbro sills and dykes locally intrude the strata. Paleozoic, marine sedimentary rocks, ranging in age from Cambrian to Middle Devonian, and having an exposed thickness of about 1,700 feet, uncomformably overlie the Proterozoic rocks. Paleozoic rocks are separated by a regional hiatus from the overlying Cretaceous sequence that is about 700 feet thick and composed of quartz sandstones, siltstones, shale and coal. Thick, topographically prominent, Pleistocene glacial deposits obscure bedrock throughout wide regions.

Download or read book Geological Survey of Canada Open File 716 written by and published by Natural Resources Canada. This book was released on with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey of Canada Open File 2434 written by and published by Natural Resources Canada. This book was released on with total page 97 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geochemical Exploration Feasibility Study Within the Zone of Continuous Permafrost written by B. A. Liberty and published by . This book was released on 1970 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey of Canada Open File 1695 written by and published by Natural Resources Canada. This book was released on with total page 68 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Current Research written by and published by . This book was released on 1995 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey of Canada Open File 2341 written by and published by Natural Resources Canada. This book was released on with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Lower Paleozoic Franklin Mountain and Mount Kindle Formations District of Mackenzie written by A. R. Cameron and published by . This book was released on 1974 with total page 926 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Geological Survey of Canada Open File 1811 written by and published by Natural Resources Canada. This book was released on with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book The Pre Mesozoic Stratigraphy and Structure of Tuktoyaktuk Peninsula written by J. B. W. Wielens and published by Geological Survey of Canada. This book was released on 1992 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Study of the Mesozoic and younger strata of the Tuktoyaktuk Peninsula, northeast of the Mackenzie Delta, Northwest Territories, which form a complex system of horst and grabens.

Download or read book Reefs written by Canadian Society of Petroleum Geologists and published by Calgary : Canadian Society of Petroleum Geologists. This book was released on 1988 with total page 810 pages. Available in PDF, EPUB and Kindle. Book excerpt: Documents the fossil reefs in Canada and adjacent regions.

Download or read book Oil and Gas Activities written by Canada. Northern Economic Development Branch. Oil and Gas Land and Exploration Section and published by . This book was released on 1974 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Bibliography of North American Geology written by and published by . This book was released on 1970 with total page 1300 pages. Available in PDF, EPUB and Kindle. Book excerpt: 1919/28 cumulation includes material previously issued in the 1919/20-1935/36 issues and also material not published separately for 1927/28. 1929/39 cumulation includes material previously issued in the 1929/30-1935/36 issues and also material for 1937-39 not published separately.