Late Proterozoic To Early Tertiary Stratigraphy Of Somerset Island And Northern Boothia Peninsula District Of Franklin N W T
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Late Proterozoic To Early Tertiary Stratigraphy Of Somerset Island And Northern Boothia Peninsula District Of Franklin N W T
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Author : W. D. Stewart
language : en
Publisher: Geological Survey of Canada 1987.
Release Date : 1987
Late Proterozoic To Early Tertiary Stratigraphy Of Somerset Island And Northern Boothia Peninsula District Of Franklin N W T written by W. D. Stewart and has been published by Geological Survey of Canada 1987. this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Science categories.
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.
Late Proterozoic To Early Tertiary Stratigraphy Of Somerset Island And Northern Boothia Peninsula District Of Franklin N W T Northwest Territories
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Author : Geological Survey of Canada
language : en
Publisher:
Release Date : 1983
Late Proterozoic To Early Tertiary Stratigraphy Of Somerset Island And Northern Boothia Peninsula District Of Franklin N W T Northwest Territories written by Geological Survey of Canada and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
Late Proterozoic To Early Tertiarty Stratigraphy Of Somerset Island And Northern Boothia Peninsula District Of Franklin N W T
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Author : W. D. Stewart
language : en
Publisher:
Release Date : 1987
Late Proterozoic To Early Tertiarty Stratigraphy Of Somerset Island And Northern Boothia Peninsula District Of Franklin N W T written by W. D. Stewart and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with categories.
Geology Of The Innuitian Orogen And Arctic Platform Of Canada And Greenland
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Author : H.P. Trettin
language : en
Publisher: Geological Society of America
Release Date : 1991
Geology Of The Innuitian Orogen And Arctic Platform Of Canada And Greenland written by H.P. Trettin and has been published by Geological Society of America this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Science categories.
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.
Geological Survey Of Canada Open File 3228
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Author :
language : en
Publisher: Natural Resources Canada
Release Date :
Geological Survey Of Canada Open File 3228 written by and has been published by Natural Resources Canada this book supported file pdf, txt, epub, kindle and other format this book has been release on with categories.
A Tale Of Two Cratons
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Author : A. G. Jones
language : en
Publisher: Gulf Professional Publishing
Release Date : 2004-03-11
A Tale Of Two Cratons written by A. G. Jones and has been published by Gulf Professional Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004-03-11 with Science categories.
Given the established nature of geoscientific knowledge of the Kaapvaal craton compared to the Slave craton, and given the exciting new interdisciplinary results coming from the Kaapvaal Project and from Slave craton studies, scientists working on both cratons were brought together in a workshop to compare and contrast the nature of these two cratons. Of the 54 papers presented at the workshop, 24 are included in this volume. There are clearly major similarities and differences between these two Archean cratons. The crust of both was predominantly formed in the Mesoarchean. Both contain crustal sections consisting of terranes of different ages welded together by Archean accretionary events. Both crustal sections are underlain by lithospheric mantle sections consisting of peridotites that experienced extensive partial melt extraction between 2.9 Ga and 3.2 Ga, but this is where the similarities between the cratons end. One of the most striking differences between the Slave and Kaapvaal cartons is the apparent seismic homogeneity of the Kaapvaal craton's SCLM whereas the Slave craton is seismically layered. The seismic layering in the centre of the craton correlates laterally and with depth with electrical layering and geochemical layering. Taken together, these differences suggest that SCLM formation was different for the two cratons, implying that the search for a single causative formation process is bound to fail. Reprinted from the journal Lithos Volume 71, numbers 2-4.
Composition Deep Structure And Evolution Of Continents
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Author : R.D. van der Hilst
language : en
Publisher: Elsevier
Release Date : 1999-10-22
Composition Deep Structure And Evolution Of Continents written by R.D. van der Hilst and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999-10-22 with Science categories.
The ensemble of manuscripts presented in this special volume captures the stimulating cross-disciplinary dialogue from the International Symposium on Deep Structure, Composition, and Evolution of Continents, Harvard University, Cambridge, Massachusetts, 15-17 October 1997. It will provide an update on recent research developments and serve as a starting point for research of the many outstanding issues. After its formation at mid-oceanic spreading centers, oceanic lithosphere cools, thickens, and subsides, until it subducts into the deep mantle beneath convergent margins. As a result of this continuous recycling process oceanic lithosphere is typically less than 200 million years old (the global average is about 80 Myr). A comprehensive, multi-disciplinary study of continents involves a wide range of length scales: tiny rock samples and diamond inclusions may yield isotope and trace element signatures diagnostic for the formation age and evolution of (parts of) cratons, while geophysical techniques (e.g., seismic and electromagnetic imaging) constrain variations of elastic and conductive properties over length scales ranging from several to many thousand kilometers. Integrating and reconciling this information is far from trivial and, as several papers in this volume document, the relationships between, for instance, formation age and tectonic behavior on the one hand and the seismic signature, heat flow, and petrology on the other may not be uniform but may vary both within as well as between cratons. These observations complicate attempts to determine the variations of one particular observable (e.g., heat flow, lithosphere thickness) as a function of another (e.g., crustal age) on the basis of global data compilations and tectonic regionalizations. Important conclusions of the work presented here are that (1) continental deformation, for instance shortening, is not restricted to the crust but also involves the lithospheric mantle; (2) the high wavespeed part of continental lithospheric mantle is probably thinner than inferred previously from vertically travelling body waves or form global surface-wave models; and (3) the seismic signature of ancient continents is more complex than expected from a uniform relationship with crustal age.
Cambrian To Upper Silurian Stratigraphy Somerset Island And Northeastern Boothia Peninsula District Of Franklin N W T
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Author : Andrew D. Miall
language : en
Publisher: Geological Survey of Canada
Release Date : 1980
Cambrian To Upper Silurian Stratigraphy Somerset Island And Northeastern Boothia Peninsula District Of Franklin N W T written by Andrew D. Miall and has been published by Geological Survey of Canada this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Science categories.
Geology Of Eastern Prince Of Wales Island And Adjacent Smaller Islands Nunavut
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Author : Ulrich Mayr
language : en
Publisher:
Release Date : 2004
Geology Of Eastern Prince Of Wales Island And Adjacent Smaller Islands Nunavut written by Ulrich Mayr and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Geology categories.
Geology Of Northeast Ellesmere Island Adjacent To Kane Basin And Kennedy Channel Nunavut
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Author : Ulrich Mayr
language : en
Publisher: Geological Survey
Release Date : 2008
Geology Of Northeast Ellesmere Island Adjacent To Kane Basin And Kennedy Channel Nunavut written by Ulrich Mayr and has been published by Geological Survey this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Ellesmere Island (Nunavut) categories.