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Geology of the Manitoba Legislative Building W Document généré le 27 sept. 2021 16:12 Geoscience Canada Geology of the Parliament Buildings 5: Geology of the Manitoba Legislative Building W. C. Brisbin, Graham Young et Jeff Young Volume 32, numéro 4, december 2005 Résumé de l'article L'édifice du Palais législatif du Manitoba a été conçu par Frank Worthington URI : https://id.erudit.org/iderudit/geocan32_4ser03 Simon, assisté de Henry Boddington III, deux architectes de Liverpool en Angleterre. Il s'agit d'un édifice de style néoclassique comprenant des éléments Aller au sommaire du numéro et des motifs grecs, romains et égyptiens. Sa construction s'est achevé au début des années 1920 et son inauguration a eu lieu à l'occasion du cinquantième anniversaire de la Province, soit le 15 juillet 1920. Éditeur(s) L'édifice est situé au cœur de Winnipeg, non loin de la rive nord de la rivière Assiniboine, la géologie environnante consistant en une couche d'argile du lac The Geological Association of Canada Agassiz de 14 m d'épaisseur reposant sur du till et un socle calcaire. Le poids de l'édifice repose sur 421 caissons de béton qui s'enfoncent jusqu'au till consolidé ISSN ou jusqu'au socle. Des structures d'acier appuyées sur ces caissons supportent 0315-0941 (imprimé) le poids des murs de briques fabriquées avec des schistes argileux et des 1911-4850 (numérique) argiles du Manitoba. Des pierres de taille parent les murs porteurs à l'extérieur comme à l'intérieur Découvrir la revue ainsi que les planchers et les escaliers intérieurs. Chaque type de pierre de taille présente des caractéristiques particulières, et chacun témoigne de processus géologique d'une époque particulière de l'histoire de la Terre. La pierre de Tyndall est celle qui prédomine tant à l'extérieur qu'à l'intérieur. Les Citer cet article marbres gris, roses et rouges du Tennessee proviennent du Sud de la chaîne Brisbin, W. C., Young, G. & Young, J. (2005). Geology of the Parliament Buildings des Appalaches. Les marbres de Botticino ont été extraits du piémont des Alpes 5: Geology of the Manitoba Legislative Building. Geoscience Canada, 32(4), dans le Nord de l'Italie. Les marbres noirs et les porphyres verts antiques 177–193. proviennent des États du Vermont et de New York, au Nord des Appalaches. Les marbres de Missisquoi ont été extraits de carrières du Sud du Québec près de Phillipsburg proviennent aussi du Nord des Appalaches. Les calcaires de Bedford qui ont été principalement utilisés comme matériau statuaire proviennent du centre-sud de l'État d'Indiana. Les granites de Butler provenant de Ignace en Ontario ont été utilisés pour les marches et les planchers des quatre portiques. La brèche de marbre rouge qui a été utilisée pour la décoration de la plupart des foyers pourrait provenir du Nord de la France. All rights reserved © The Geological Association of Canada, 2005 Ce document est protégé par la loi sur le droit d’auteur. L’utilisation des services d’Érudit (y compris la reproduction) est assujettie à sa politique d’utilisation que vous pouvez consulter en ligne. https://apropos.erudit.org/fr/usagers/politique-dutilisation/ Cet article est diffusé et préservé par Érudit. Érudit est un consortium interuniversitaire sans but lucratif composé de l’Université de Montréal, l’Université Laval et l’Université du Québec à Montréal. Il a pour mission la promotion et la valorisation de la recherche. https://www.erudit.org/fr/ GEOSCIENCE CANADA Volume 32 Number 4 December 2005 177 SERIES walls constructed of bricks manufac- ern Appalachians. Missisquoi marble is tured from Manitoba shale and clay. from quarries in southern Québec near Dimension stones decorate the Philipsburg, and also represents a north- bearing walls inside and outside, and the ern Appalachian source. floors and stairways within. Each type of Bedford limestone, used for stone has its own decorative characteris- most of the statuary, is from south-cen- tics and each records geologic processes tral Indiana. Butler granite from Ignace, at different times in Earth history. The Ontario, was used for steps and floor predominant dimension stone both out- surfaces of all four porticos. Red marble side and inside the building is Manitoba breccia, used to decorate most fireplaces, Tyndall Stone. Grey, pink and red may have come from northern France. Geology of the Parliament Tennessee marbles are from the south- ern Appalachians. Botticino marble was SUMMAIRE Buildings 5: quarried in the foothills of the Alps in L'édifice du Palais législatif du Manitoba Geology of the Manitoba northern Italy. Ordovician black marble a été conçu par Frank Worthington Legislative Building and Verde Antique are from the Simon, assisté de Henry Boddington III, Vermont-New York region in the north- deux architectes de Liverpool en W.C. Brisbin1, Graham Young2, and Jeff Young1 1Department of Geological Sciences, University Geology of the Parliament Buildings of Canada: Series Update. of Manitoba, Winnipeg, MB R3T 2N2 [email protected] The accompanying paper, “Geology of the Manitoba Legislative Building”, by 2The Manitoba Museum, 190 Rupert Ave., W.C. Brisbin, Graham Young and Jeff Young, is the 5th paper in this Geoscience Winnipeg, MB R3B 0N2 Canada series. The previous published papers in the series are: SUMMARY “Building Stones of Canada’s Federal Parliament Buildings”, by D.E. The Manitoba Legislative Building was Lawrence, Vol 28, No 1, March 2001 designed by Frank Worthington Simon, “Geology of the Alberta Legislative Buildings”, by R.A. Burwash, D.M. assisted by Henry Boddington III, archi- Cruden and R. Mussieux, Vol 29, No 4, December 2002 tects from Liverpool, England. The “Building Stones of Ontario’s Provincial Parliament” by E.B. Freeman, Vol building style is neoclassical, incorporat- 30, No 2, June 2003, and ing Greek, Roman and Egyptian motifs “Geology of the Quebec Parliament Buildings” (in French) by R. Ledoux and elements. Construction was com- and H-L Jacob, Vol 30, No 4, December 2003 pleted early in 1920 and the building was Five further papers are in various stages of completion: British Columbia, dedicated July 15, 1920, on the fiftieth lead author Danny Hora; Newfoundland and Labrador, lead author Jeff Pollock; anniversary of the Province. Nova Scotia, lead author Howard Donohoe; New Brunswick, lead author Gwen The building is located in central Martin; and the Northwest Territories, lead author DE Lawrence. Winnipeg, close to the north bank of We are still looking for authors for the Parliament Buildings of Prince the Assiniboine River and rests on 14 m Edward Island, Saskatchewan, Yukon, and Nunavut. For those who may be inter- of glacial Lake Agassiz clays over till and ested, broad guidelines for the preparation of the papers are described by the limestone bedrock. The mass of the Series Editor in an introduction to the first paper in the series, in Vol 29, No 1, building is supported by 421 concrete March 2001. caissons that extend through the clays to If readers have any questions about the series, please contact the Series indurated till or bedrock. Steel frames Editor, Doug VanDine, email [email protected], or telephone 250-598-1028. rest on the caissons and support bearing 178 Angleterre. Il s'agit d'un édifice de style Le poids de l'édifice repose sur 421 cais- particulière de l'histoire de la Terre. La néoclassique comprenant des éléments sons de béton qui s'enfoncent jusqu'au pierre de Tyndall est celle qui prédomine et des motifs grecs, romains et égyptiens. till consolidé ou jusqu'au socle. Des tant à l'extérieur qu'à l'intérieur. Les Sa construction s'est achevé au début structures d'acier appuyées sur ces cais- marbres gris, roses et rouges du des années 1920 et son inauguration a eu sons supportent le poids des murs de Tennessee proviennent du Sud de la lieu à l'occasion du cinquantième briques fabriquées avec des schistes chaîne des Appalaches. Les marbres de anniversaire de la Province, soit le 15 argileux et des argiles du Manitoba. Botticino ont été extraits du piémont des juillet 1920. Des pierres de taille parent les Alpes dans le Nord de l'Italie. Les mar- L'édifice est situé au cœur de murs porteurs à l'extérieur comme à l'in- bres noirs et les porphyres verts antiques Winnipeg, non loin de la rive nord de la térieur ainsi que les planchers et les proviennent des États du Vermont et de rivière Assiniboine, la géologie environ- escaliers intérieurs. Chaque type de New York, au Nord des Appalaches. nante consistant en une couche d'argile pierre de taille présente des caractéris- Les marbres de Missisquoi ont été du lac Agassiz de 14 m d'épaisseur tiques particulières, et chacun témoigne extraits de carrières du Sud du Québec reposant sur du till et un socle calcaire. de processus géologique d'une époque près de Phillipsburg proviennent aussi du Nord des Appalaches. Les calcaires de Bedford qui ont été principalement utilisés comme matériau statuaire provi- ennent du centre-sud de l'État d'Indiana. Les granites de Butler provenant de Ignace en Ontario ont été utilisés pour les marches et les planchers des quatre portiques. La brèche de marbre rouge qui a été utilisée pour la décoration de la plupart des foyers pourrait provenir du Nord de la France. INTRODUCTION The geology of the Manitoba Legislative Building encompasses the subsurface geological conditions of its site, and the source and characteristics of the dimen- sion stones and of other geological materials used in its construction. The first Legislative Building was opened in 1871. This humble, rough- hewn log building was destroyed by fire on December 3, 1873. A second, archi- tecturally-designed Legislative Building was completed in 1884.
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