1 edition of Tectonic evolution of a part of the English River subprovince, northwestern Ontario found in the catalog.
Tectonic evolution of a part of the English River subprovince, northwestern Ontario
Written in English
|LC Classifications||QE 191 W527 1977 thesis|
|The Physical Object|
|Number of Pages||292|
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Structure of the Archean English River subprovince: Implications for the tectonic evolution of the western Superior Province, Canada features in the western part of the subprovince in Ontario. Structure of the Archean English River subprovince: structural features in the western part of the subprovince in Ontario.
geometry of the subprovince. Late in its tectonic evolution. The English River is a river in Kenora District and Thunder Bay District in Northwestern Ontario, Canada. It flows through Lac Seul to join the Winnipeg River as a right tributary. The river is in the Hudson Bay drainage basin, is kilometres ( mi) long and has a drainage basin of 52, square kilometres (20, sq mi).Country: Canada.
The tectonic development of the English River Subprovince (ERSP) of the Superior Province in Ontario and Manitoba, as with other Archean medium-high grade metasedimentary/gneiss terranes, is an area of active research.
Geochemical and geophysical data were collected during this study to determine the metamorphic conditionsAuthor: Moira E. Campion. Structural Evolution of the twilight - Mystery Lakes Gneiss Dornes in the Archean Winnipeg River Subprovince.
northwest Ontario, Depanment of Geology, University of Toronto, Master of Science, Paul Evins Abstract The Twilight and Mystery domes of the central Winnipeg River SubprovinceAuthor: Paul M.
Evins. Note: Citations are based on reference standards. However, formatting rules can vary widely between applications and fields of interest or study.
The specific requirements or preferences of your reviewing publisher, classroom teacher, institution or organization should be applied. The Superior Craton is a stable crustal block (a very large block of rock) in Canada, covering Quebec, Ontario, SE Manitoba and northern Minnesota, the akikopavolka.com is the biggest craton among those formed during the Archean period.
A craton is a large part of the Earth's crust that has been stable and subjected to very little geological northwestern Ontario book over a long time. Sialic material at the present erosion level was doubled and the English River Subprovince was elevated relative to the adjoining Wabigoon Subprovince.
(v) Late events ( Ma). Sporadic injection of minor intrusions and weak deformation conclude the tectonic evolution of the English River Subprovince. URI:Cited by: 5.
Abstract. At least 12 granulite occurrences, ranging in size from a few 10’s tokm2, are exposed in the Archean Superior Province. Primary lithotectonic subdivision of the Superior Province into linear volcano-plutonic and metasedimentary gneiss belts has led to interpretation of these components as magmatic arcs and accretionary prisms respectively, assembled in the interval between Cited by: Protoliths and petrogenesis of Archean gneisses from the Kenora area, English River Subprovince, northwest Ontario.
Precambrian Res., Archean gneissic rocks in the Kenora area can be divided into three groups: (1) remnants of a dominantly mafic supracrustal sequence; (2) biotite tonalite gneisses; (3) granitic pegmatoid akikopavolka.com by: The Superior Craton is a stable crustal block (a very large block of rock) in Canada, covering Quebec, Ontario, SE Manitoba and northern Minnesota, the akikopavolka.com is the biggest craton among those formed during the Archean period.
 A craton is a large part of the Earth's crust that has been stable and subjected to very little geological changes over a long time. . Belt which flanks the exposed part of the Bird River Subprovince of the Superior Province, in the southwestern part of the Canadian Shield (Figure 1).
This subprovince adjoins the batholithic belt of the Winnipeg River Subprovince in the south, and the Manigotogan gneiss belt of the English River Subprovince in the north (Figure 2; ct. Card.
Supracrustal Rocks, Polymetamorphism, and Evolution of the SW Greenland Archean Gneiss Complex Metamorphism and the Superior Province of northwestern Ontario and its relationship to crustal development. In P.C., and Breaks, F.W. Metamorphic and tectonic evolution of the Uchi-English River subprovince.
In Metamorphism in the Cited by: 8. Abstract. U-Pb isotopic dating of zircon and titanite from all the major litho-tectonic units of the Batchawana belt, an Archean greenstone belt of the Abitibi Subprovince of the Superior Province in Canada, shows that the belt evolved during a period of about.
Constraints upon models of greenstone belt evolution by gravity modelling, Birch--Uchi greenstone belt, northern Ontario.
Precambrian Res., Eight two-dimensional gravity models, incorporating most of the major hypotheses pro- posed for the development of Cited by: Completion of this tectonic event is shown by the regional metamorphic event recorded as N2 on the south, east, and west ranges.
On the south range where N2 is dominant, metamorphism was nodal: however, some zones of N1 survived with no trace of the development of akikopavolka.com by: Abstract.
Ages of fractures in the Eye-Dashwa granite pluton north of Atikokan, Ontario, are estimated from analyses of their filling materials (pegmatite, aplite, hornblendeporphyry, epidote, chlorite, gypsum, diabase, iron oxides, carbonate and clays).Cited by: U-Pb isotopic dating of zircon and titanite from all the major litho-tectonic units of the Batchawana belt, an Archean greenstone belt of the Abitibi Subprovince of the Superior Province in Canada, shows that the belt evolved during a period of about 60 Ma between about and Ma ago.
Tectonic Processes and Crustal Dynamics. Research in Tectonic Processes and Crustal Dynamics focuses on integrating field investigations, laboratory analysis, and computational modeling to tackle the problem of deformation and change in the continental lithosphere on time scales ranging from short-term earthquake events to long-term tectonic deformation processes, and for spatial scales.
Apr 01, · The Pikwitonei granulite domain and parts of the Cross Lake subprovince, located along the northwestern margin of the Archean Superior Province, expose an oblique cross-section through ∼20 km of Archean continental crust.
The crustal cross-section was exposed by late tectonic processes that were unrelated to the high-grade metamorphism Cited by:.
Jul 26, · This first-order zonation implies a tectonic polarity to the Grenville Province, superimposed on which are second-order features evident from contrasting tectonic styles and radiometric ages. These characteristics are consistent with a diachronous or oblique collisional model for the Grenville orogen.The Timmins-Porcupine Gold Camp, Ontario: Anatomy of an Archean Greenstone Belt and Ontogeny of Gold Mineralization Roger Bateman.
Structural and tectonic evolution of the Joyita Hills, central New Mexico: Implications of basement control on Rio Grande riftCited by: May 20, · Mouth of the Amazon River. The Amazon River in South America is the second longest river in the world and by far the largest by waterflow with an average discharge greater than the next seven largest rivers combined (not including Madeira and Rio Negro, which are tributaries of .