Geological Survey of Canada, Current Research (Online) no. 2000-F4 PDF Download
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Author: Anthony Davidson
Publisher: Natural Resources Canada
ISBN: 0660182300
Category : Igneous rocks
Languages : en
Pages : 17
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Book Description
Presents geochronological age determinations of zircons from eight plutons in the Grenville Province, Ontario (Oso and Mountain Grove plutons in the Sharbot Lake domain; Silver Lake & Bennett Bay plutons and Fall River mangeritic augen gneiss associated with the Maberly shear zone; North Crosby & Pike Lake plutons in the north-west sheared part of the Frontenac terrane; and the Beales Mills pluton in the interior of the Frontenac terrane). The results are used to propose a re-interpretation of the tectonics of the Frontenac suite and the origin of the magmas responsible.
Author: Anthony Davidson
Publisher: Natural Resources Canada
ISBN: 0660182300
Category : Igneous rocks
Languages : en
Pages : 17
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Book Description
Presents geochronological age determinations of zircons from eight plutons in the Grenville Province, Ontario (Oso and Mountain Grove plutons in the Sharbot Lake domain; Silver Lake & Bennett Bay plutons and Fall River mangeritic augen gneiss associated with the Maberly shear zone; North Crosby & Pike Lake plutons in the north-west sheared part of the Frontenac terrane; and the Beales Mills pluton in the interior of the Frontenac terrane). The results are used to propose a re-interpretation of the tectonics of the Frontenac suite and the origin of the magmas responsible.
Author: T. Praamsma
Publisher: Natural Resources Canada
ISBN: 0660182327
Category :
Languages : en
Pages : 10
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Book Description
This study examines aspects of the geological evolution of the Sharbot Lake domain and compares it with that of neighbouring domains & terranes in the Central metasedimentary belt, Grenville Province, Ontario. The study reports uranium-lead zircon & titanite geochronological ages for a granodiorite phase of the Pakenham intrusion from the northern part of the Sharbot Lake domain. The new data expand the known range of magmatism in this part of the belt, elucidate the early tectonic evolution of the domain, and constrain the timing of overprinting metamorphism. Possible links between the Pakenham structure and the Wolf Grove structure to the south-east are also discussed.
Author:
Publisher: Natural Resources Canada
ISBN: 0662324412
Category : Geology, Stratigraphic
Languages : en
Pages : 16
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Book Description
Author: Anthony Davidson
Publisher: Natural Resources Canada
ISBN: 0660182319
Category :
Languages : en
Pages : 11
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Book Description
Presents a geochronological and geochemical study of the Barbers Lake and McLean plutons in the Grenville Province of Ontario, including comparisons of whole-rock analyses of these plutons with the Elphin and Leggat Lake plutons. The assignment of various plutons in the study area to one of several age groups is discussed.
Author:
Publisher: Natural Resources Canada
ISBN: 0660180383
Category :
Languages : en
Pages : 12
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Book Description
Author:
Publisher: Natural Resources Canada
ISBN: 0660180308
Category :
Languages : en
Pages : 13
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Book Description
Author:
Publisher: Natural Resources Canada
ISBN: 0660180251
Category :
Languages : en
Pages : 13
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Book Description
Author:
Publisher: Natural Resources Canada
ISBN: 0662324420
Category : Geology, Stratigraphic
Languages : en
Pages : 10
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Book Description
Author: Robert Ian Thompson
Publisher: Natural Resources Canada
ISBN: 0660180103
Category : Carbonates
Languages : en
Pages : 7
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Book Description
Reports research conducted in the Vernon area of southern interior British Columbia to search out and map marker units in high-grade Neoproterozoic and Palaeozoic metamorphic rocks, and to map the east-west extent of overlying Triassic Slocan Group strata. Stratigraphic relations in the area are summarized and detailed stratigraphy of a calcareous quartzite marker unit is described. Regional correlations of this marker unit with map units farther east & north and elsewhere in the Vernon map area are then discussed. The paper examines the hypothesis that the marker unit is the same succession that hosts the Kingfisher and Big Ledge lead-zinc occurrences, with implications for the exploration potential for base metals in the study area.
Author:
Publisher: Natural Resources Canada
ISBN: 0662341902
Category :
Languages : en
Pages : 12
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Book Description
