Geology of the Yellowknife-Hearne Lake Area, District of Mackenzie PDF Download
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Author: John B. Henderson
Publisher:
ISBN: 9780660119427
Category : Science
Languages : en
Pages : 458
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Book Description
The detailed stratigraphic, structural and metamorphic relationships and the economic geology described in this memoir will be of great value to those concerned with the geology and mineral potential of this part of the Canadian Shield.
Author: John B. Henderson
Publisher:
ISBN: 9780660119427
Category : Science
Languages : en
Pages : 458
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Book Description
The detailed stratigraphic, structural and metamorphic relationships and the economic geology described in this memoir will be of great value to those concerned with the geology and mineral potential of this part of the Canadian Shield.
Author: John B. Henderson
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 136
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Book Description
Describes the geology of an area in west central Slave Province, Northwest Territories, where the Archean supracrustal rock record is unusually well preserved and complete. Regional geological mapping of the area, an important host of gold and base metal deposits, provides a framework for examining and understanding the geological evolution of this region that may well apply elsewhere in the Slave Province. The area comprises two domains with highly contrasting structural levels, separated by a major north-trending ductile shear zone. The report provides a description and interpretation of deformed and variably metamorphosed sedimentary and volcanic rocks and of their intrusions, and contains sections on the area's Quaternary geology, structural geology, metamorphic geology, and economic geology.
Author: T.M. Kusky
Publisher: Elsevier
ISBN: 0080473938
Category : Science
Languages : en
Pages : 762
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Book Description
Recent developments have shown that many full and partial ophiolites are preserved in Precambrian cratons. This book provides a comprehensive description and discussion of the field aspects, geochemistry, geochronology and structure of the best of these ophiolites. It also presents syntheses of the characteristics of ophiolites of different ages, and an analysis of what the characteristics of these ophiolites mean for the thermal and chemical evolution of the earth. This title emphasizes new studies of Precambrian Geology that have documented ophiolites, ophiolitic fragments, and ophiolitic melanges in many Precambrian terranes. Each chapter focuses on individual Precambrian ophiolites or regions with numerous Precambrian ophiolites, and covers field aspects, petrology, geochemistry, geochronology, and other descriptive aspects of these ophiolites, it also delves into more theoretical and speculative aspects about the interpretation of the significance of these ancient ophiolites.
Author: R. A. Frith
Publisher: Geological Survey of Canada, Energy, Mines and Resources Canada
ISBN:
Category : Science
Languages : en
Pages : 74
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Book Description
The Hackett River area lies just south of the Arctic Circle, some 500 km northeast of Yellowknife. This report incorporates data from a mid-1970s mapping and compilation of data, as well as more detailed work on economic geology, volcanology, geophysics and geochemistry.
Author: Wladyslaw Altermann
Publisher: John Wiley & Sons
ISBN: 1444304321
Category : Science
Languages : en
Pages : 464
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Book Description
The motivation for this volume came from the idea that thePrecambrian is the key, both to the present, and to theunderstanding of the Earth as a whole. The Precambrian constitutesabout 85% of Earth's history, and of that, about 3.75 billion yearsof Precambrian time, represented by rocks, are accessible togeoscientists. Ancient atmospheric and environmental conditions canbe traced back to the time when the Earth was only about 250million years old. Precambrian rocks supply almost 75% of importantmineral resources such as Fe, Mn, Au, Pt and Cr. Many of theseelements are associated with sedimentary rocks and some importanthydrocarbon, coal and graphite deposits are also hosted byPrecambrian rocks. This volume is aimed at geoscientists interested in Precambriansedimentary rocks and at students of Earth history. It containsreview articles discussing Precambrian conditions and case studiesfrom Precambrian shields and successions of North and SouthAmerica, Australia, Africa, Europe, Asia and India. Theintroductory papers, written by experts on Precambrianenvironments, treat comprehensively the application of actualism tothe Precambrian, the evolution and influence of life on thesedimentary rock record, the genesis of Banded Iron Formations, thePrecambrian sulphur cycle and the significance of Precambrianchemical carbonate precipitates. The case studies includedepositional settings and processes in Archean terranes, inPaleoproterozoic sequences, with some emphasis on the lack ofvegetation and weathering, and in late Proterozoic sequences, withsome emphasis on glacial deposits. The contributions demonstratethat Precambrian sedimentary deposits are commonly similar to theirPhanerozoic counterparts in terms of composition, sedimentaryprocesses, and depositional setting, but may differ significantlyas a result of lack of vegetation, climatic and biologicalconstraints, composition and circulation of seawater, and thesecular involvement of continental crust. Contains review articles discussing Precambrian conditions andcase studies from Precambrian shields and successions of North andSouth America, Australia, Africa, Europe, Asia and India. The introductory papers, written by experts on Precambrianenvironments, treat comprehensively the application of actualism tothe Precambrian, the evolution and influence of life on thesedimentary rock record, the genesis of Banded Iron Formations, thePrecambrian sulphur cycle and the significance of Precambrianchemical carbonate precipitates. Detailed case studies include depositional settings andprocesses in Archean terranes, in Paleoproterozoic sequences, withsome emphasis on the lack of vegetation and weathering, and in lateProterozoic sequences, with some emphasis on glacialdeposits. Written for geoscientists interested in Precambrian sedimentaryrocks and students of Earth history. If you are a member of the International Association ofSedimentologists (IAS), for purchasing details, please see:http://www.iasnet.org/publications/details.asp?code=SP33
Author: H. H. Bostock
Publisher: Geological Survey of Canada
ISBN:
Category : Geology
Languages : en
Pages : 120
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Book Description
The results presented in the present report will be of value to those concerned with the study of Precambrian geology because of the detailed manner in which the author describes the stratigraphy, structural and metamorphic history and econimc geology of this interesting part of the Canadian Shield.
Author:
Publisher: Natural Resources Canada
ISBN:
Category :
Languages : en
Pages : 143
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Book Description
Author: D. E. Kerr
Publisher: Natural Resources Canada
ISBN: 0660180227
Category :
Languages : en
Pages : 10
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Book Description
Describes studies conducted as part of a program to provide baseline data of surficial materials, ice-flow history, and soil geochemistry in the Yellowknife area, aimed at augmenting the geoscience database to support mineral exploration & development. After description of the regional setting & bedrock geology of the area, information is presented on surficial sediments (till, glaciofluvial & glaciolacustrine sediments, peat), ice flow patterns, glacial history, and pebble lithology provenance.
Author: Geological Survey of Canada
Publisher:
ISBN:
Category : Geology
Languages : en
Pages : 618
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Book Description
Author:
Publisher: Natural Resources Canada
ISBN:
Category :
Languages : en
Pages : 261
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Book Description
