Contrasting Crustal Domains in the Committee Bay Belt, Walker Lake-Arrowsmith River Area, Central Nunavut PDF Download
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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: Tom Skulski
Publisher: Natural Resources Canada
ISBN: 0660187310
Category :
Languages : en
Pages : 13
Get Book Here
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: 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.
![Results of Bedrock Mapping of the Darby Lake-Arrowsmith River North Map Areas, Central Rae Domain, Nunavut [electronic Resource] PDF](https://books.google.com/books/content/images/frontcover/wG0X7UMlg0EC?fife=w80-h100)
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: Edward C. Little
Publisher: Natural Resources Canada
ISBN: 0660187337
Category :
Languages : en
Pages : 14
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Book Description
This paper presents an overview of the field research conducted during the 2001 season, along with preliminary field observations, from the second year of the Committee Bay Project's Quaternary studies. The objectives of these studies are to compile high-resolution terrain inventories for the Laughland Lake, Walker Lake, Arrowsmith River, and Ellice Hills map areas of central Nunavut; to begin a reconnaissance-scale drift prospecting program that utilizes both heavy-mineral & till geochemical analyses; and to interpret the glacial history at local & regional scales. After introductory sections on regional geology, previous research, and sampling & survey methods, the paper summarizes preliminary results from field observations regarding generalized ice movements & glacial landforms.
Author:
Publisher: Natural Resources Canada
ISBN: 0662335422
Category :
Languages : en
Pages : 13
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Book Description
Author:
Publisher: Natural Resources Canada
ISBN: 0662335260
Category :
Languages : en
Pages : 13
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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: Carl A. Ozyer
Publisher: Natural Resources Canada
ISBN: 0662429192
Category :
Languages : en
Pages : 11
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Book Description
Author: O. Van Breemen
Publisher: Natural Resources Canada
ISBN: 0662461916
Category : Geochronometry
Languages : en
Pages : 17
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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.
