La chute Montmorency / Montmorency Falls

La chute Montmorency / Montmorency Falls (HM2BEW)

Location: Quebec City, Quebec G1C 1S1 Communauté-Urbaine-de-Québec
Country: Canada
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N 46° 53.263', W 71° 8.995'

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Le Sault de Montmorency, tel est le nom originel de la cataracte, celui que Champlain lui a donné en l'honneur d'Henri II, duc de Montmorency, son protecteur, vice-roi de la Nouvelle-France en 1619.
Le chute figure parmi les plus imposantes au Canada. Haute de 84 mètres, elle dépasse de 30 mètres celles du Niagara. Elle a creusé à son pied une vaste marmite de 17 mètres de profondeur et débite un volume d'eau qui pourrait approvisionner une forte proportion de la population du Québec.
Ce remarquable accident géographique est signalé depuis 1879 par nombre d'ouvrages géologiques, notamment à cause de la forte inclinaison des strates à la base de la chute. C'est une fracture dans l'écorce terrestre, la faille Montmorency, qui a provoqué l'affaissement des formations rocheuses du côté de fleuve.
[Coupe géologique des chute Montmorency]
· Gneiss
· Calcaire (formation de Trenton) et grès de base
· Schiste (formation Utica)
· Grès (formation de Beupré)
· Schiste (formation de Lotbinière)
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The Montmorency Sault, the original name of the cataract, is the one that Champlain gave in 1619 in honor of Henry II, Duke of Montmorency, his protector



and the viceroy of New France.
The Falls is among the largest in Canada. At 84 meters high, it exceeds Niagara by 30 meters. It has dug a large pool at its base that is 17 meters deep, and discharges a volume of water that could supply a large proportion of Quebec's population.
This remarkable accident of geography has been reported since 1879 by a number of geological structures, in particular because of the steepness of the strata at the base of the Falls. It is a fracture in the Earth's crust, the Montmorency Fault, which caused the collapse of the rock formations on the river side.
[Montmorency Falls geological cross section]
· Gneiss
· Limestone (Trenton Formation) and basic sandstones
· Shale (Utica formation)
· Sandstone (Beupré formation)
· Shale (Lotbinière formation)
Details
HM NumberHM2BEW
Tags
Placed BySépaq
Marker ConditionNo reports yet
Date Added Sunday, September 16th, 2018 at 11:01pm PDT -07:00
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Locationbig map
UTM (WGS84 Datum)19T E 336211 N 5194930
Decimal Degrees46.88771667, -71.14991667
Degrees and Decimal MinutesN 46° 53.263', W 71° 8.995'
Degrees, Minutes and Seconds46° 53' 15.78" N, 71° 8' 59.7" W
Driving DirectionsGoogle Maps
Closest Postal AddressAt or near 2490 Ave Royale, Quebec City Quebec G1C 1S1, CA
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