Structural and Metamorphic Geology of the Walker Lake-Arrowsmith River Area, Committee Bay Belt, Nunavut PDF Download
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Author: Mary Sanborn-Barrie
Publisher: Natural Resources Canada
ISBN: 0660187329
Category : Geology, Structural
Languages : en
Pages : 15
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Book Description
The Walker Lake-Arrowsmith River area of the Committee Bay belt, Nunavut, is dominated by three crustal domains: granite-greenstone belts in the central region, a granitic batholith in the south-east, and metasedimentary rocks in the north. Rocks within all domains display moderately to strongly developed strain fabrics & structures and preserve metamorphic mineral assemblages. This paper provides preliminary observations & interpretations of fabrics, structures, and mineral assemblages from this study area. It also presents preliminary monazite chemical ages from samples from the northern & central domains, and discusses the timing & tectonic significance of tectono-metamorphic events affecting the area.
Author: Mary Sanborn-Barrie
Publisher: Natural Resources Canada
ISBN: 0660187329
Category : Geology, Structural
Languages : en
Pages : 15
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Book Description
The Walker Lake-Arrowsmith River area of the Committee Bay belt, Nunavut, is dominated by three crustal domains: granite-greenstone belts in the central region, a granitic batholith in the south-east, and metasedimentary rocks in the north. Rocks within all domains display moderately to strongly developed strain fabrics & structures and preserve metamorphic mineral assemblages. This paper provides preliminary observations & interpretations of fabrics, structures, and mineral assemblages from this study area. It also presents preliminary monazite chemical ages from samples from the northern & central domains, and discusses the timing & tectonic significance of tectono-metamorphic events affecting the area.
Author: Tom Skulski
Publisher: Natural Resources Canada
ISBN: 0660187310
Category :
Languages : en
Pages : 13
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Book Description
After an overview of the regional geological setting, this paper describes the geology of the three contrasting domains of the Committee Bay belt in central Nunavut. The first & largest section covers the central domain, which comprises four narrow supracrustal belts intruded by lenticular plutonic bodies. The remaining sections describe the northern crustal domain, dominated by metasedimentary rocks & granitoid plutons, and the south-east domain, dominated by granodiorite to granite batholiths that intrude rocks of the central domain.
Author: Hamish A. I. Sandeman
Publisher: Natural Resources Canada
ISBN: 0662403894
Category : Geological mapping
Languages : en
Pages : 13
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Book Description
This paper provides an overview of the geology of the Darby Lake and Arrowsmith River area, located south-west of Committee Bay, Nunavut. The area is divided into three north-east trending sub-domains, all of which are dominated by granitoid rocks. Characteristic rock types from the area are described along with the phases of regional deformation and metamorphism in the area. Implications of the findings for mineral deposits are briefly discussed.
Author:
Publisher: Natural Resources Canada
ISBN: 0662335422
Category :
Languages : en
Pages : 13
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Book Description
Author: Trevor G. MacHattie
Publisher: Natural Resources Canada
ISBN: 0660187345
Category :
Languages : en
Pages : 9
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Book Description
Komatiite units dominate Archean volcanic successions in the Laughland Lake and Walker Lake map areas of the Committee Bay region, central Nunavut. This study describes results of regional & local mapping of some well-preserved komatiite sequences in those areas, particularly in the Laughland Lake area where the majority of the better-preserved komatiite units are found. Structural & stratigraphic relationships are also discussed.
Author:
Publisher: Natural Resources Canada
ISBN: 1100117601
Category :
Languages : en
Pages : 21
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Book Description
Author:
Publisher: Natural Resources Canada
ISBN: 0662335384
Category :
Languages : en
Pages : 13
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Book Description
Author:
Publisher:
ISBN:
Category : Geology
Languages : en
Pages :
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Author: P.G. Eriksson
Publisher: Elsevier
ISBN: 008054259X
Category : Science
Languages : en
Pages : 967
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Book Description
In this book the editors strive to cover all primary (i.e. non-applied) topics in Precambrian geology in a non-partisan way, by using a large team of international authors to present their datasets and highly divergent viewpoints. The chapters address: celestial origins of Earth and succeeding extraterrestrial impact events; generation of continental crust and the greenstone-granite debate; the interaction of mantle plumes and plate tectonics over Precambrian time; Precambrian volcanism, emphasising komatiite research; evolution and models for Earth's hydrosphere and atmosphere; evolution of life and its influence on Precambrian ocean chemistry and chemical sedimentation; sedimentation through Precambrian time; the application of sequence stratigraphy to the Precambrian rock record. Each topic is introduced and a non-partisan closing commentary provided at the end of each chapter. The final chapter blends the major geological events and rates at which important processes occurred into a synthesis, which postulates a number of "event clusters" in the Precambrian when significant changes occurred in many natural systems and geological environments. Also available in paperback, ISBN: 0-444-51509-7
Author: Timothy Peter Young
Publisher: Geological Society Publishing House
ISBN:
Category : Science
Languages : en
Pages : 290
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Book Description