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Lake Nipisso

Coordinates: 50°51′24″N 65°49′27″W / 50.8567°N 65.8242°W / 50.8567; -65.8242
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Lake Nipisso
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Lake Nipisso is located in Quebec
Lake Nipisso
Lake Nipisso
LocationRivière-Nipissis, Sept-Rivières, Quebec
Coordinates50°51′24″N 65°49′27″W / 50.8567°N 65.8242°W / 50.8567; -65.8242
Basin countriesCanada
Max. length25 kilometres (16 mi)
Max. width4 kilometres (2.5 mi)
Surface area40 square kilometres (15 sq mi)

Lake Nipisso (Template:Lang-fr) is a 40 square kilometres (15 sq mi) lake in a remote part of the Côte-Nord region of Quebec, Canada.

Location

Lake Nipisso is in the unorganized territory of Rivière-Nipissis in the Sept-Rivières Regional County Municipality, Côte-Nord.[1] It is about 75 kilometres (47 mi) north of northeast of Sept-Îles and is in the Duplessis (Côte-Nord) tourist region.[2] The lake is 25 kilometres (16 mi) long, up to 4 kilometres (2.5 mi) wide, and covers an area of 40 square kilometres (15 sq mi).[2] The name is Montagnais in origin.[3] Former names include Lac Moisi, Lac Moisic and Lac Moisie.[1]

The lake is a widening of the Nipisso River, which flows into its north end from Lac Premio-Réal and Lac de Mouches in the northeast, and continues from its south end in a southeast direction to the Nipissis River, of which it is a tributary.[4] The Nipisso river drains an area of 4,196 square kilometres (1,620 sq mi).[5]

The Quebec North Shore and Labrador Railway is 10 kilometres (6.2 mi) to the west, and a main power transmission line from the Churchill Falls Generating Station runs about 8 kilometres (5.0 mi) to the west. There is no road access to the lake, which can only be reached by float plane or helicopter.[6]

Environment

The region is in the boreal climate zone.[7] Under Quebec's classification of ecological regions, the lake is in ecological sub-region 6j-S: High hills of Nipissis and Magpie lakes, within the bio-climatic sub-domain 6 East: Eastern Moss Spruce.[8] The average annual temperature in the region is −3 °C (27 °F). The warmest month is July, when the average temperature is 13 °C (55 °F), and the coldest is January, with −20 °C (−4 °F).[9]

Topography

Nipisso River basin

The region is near the southern border of the Canadian Shield, and is a rolling to rugged upland, with mountains reaching 2,100 feet (640 m).[10] The Nipissis and Nipisso run through deep valleys in this upland.[11] Lake Nipisso is in what was once a deeper valley parallel to the Nipissis-Wacouno valley.[12] The valley was filled by glaciers with boulders and pebbles in a matrix of silt and sand.[12] Subsequently these deposits were reworked by the present river.[13]

In the south of the Nipisso Lake area there are signs of intense glacial erosion, but there are few glacial deposits. North of 50°50' there are greater quantities of glacial debris, with large amounts of sand and gravel in the valleys, and many sand plains. Just east of the north end of Lake Nipisso there are three crescent-shaped ridges of sand and gravel about 1,000 feet (300 m) long, 40 feet (12 m) wide and 20 feet (6.1 m) high. These are at right angles to the direction of the Laurentide Ice Sheet movement, and may be recessional moraines.[14]

Geology

Lake Nipisso and Lake Manitou to the east define the Manitou-Nipisso geological area, which is part of the Polycyclic Belt of the Grenville Province.[15] The bedrock of the lake is in the Manitou Gneiss Complex, and is mostly composed of quartz–feldspar gneiss and hornblende–biotite gneiss.[16] A 1997 study of a mineral property about 2/3 of the way up the east shore found most of the units units present in the Nipisso-Manitou geological complex, including felsic gneisses, abundant gabbro and minor granitoid intrusives. The property had mineralized ultramafic dikes associated with a brecciated felsic pipe.[17]

Tributary lakes

Lakes that drain into Lake Nipisso include:

Lake Coordinates Map
Lac Zara 51°06′53″N 65°42′47″W / 51.1147°N 65.7131°W / 51.1147; -65.7131 EINQG
Lac Premio-Réal 51°05′43″N 65°41′35″W / 51.0953°N 65.6931°W / 51.0953; -65.6931 EHTBK
Lac des Mouches 51°03′58″N 65°38′29″W / 51.0661°N 65.6414°W / 51.0661; -65.6414 EHILG
Lac Dimph 51°02′10″N 65°41′01″W / 51.0361°N 65.6836°W / 51.0361; -65.6836 EGDSK
Lac Vatchichilet 51°00′41″N 65°43′28″W / 51.0114°N 65.7244°W / 51.0114; -65.7244 EIKMD
Lac Albany 50°58′00″N 65°45′08″W / 50.9667°N 65.7522°W / 50.9667; -65.7522 EFHEQ
Lac Firth 50°56′16″N 65°52′36″W / 50.9378°N 65.8767°W / 50.9378; -65.8767 EGJAJ

Notes

  1. ^ a b Lac Nipisso, Commission de toponymie.
  2. ^ a b Nipisso (lac), Mémoire du Québec.
  3. ^ Lac Nipisso, Natural Resources.
  4. ^ MRC de Sept-Rivières.
  5. ^ Moisie river aquatic reserve, Conservation plan, p. 2.
  6. ^ Banas 1999, p. 3.
  7. ^ Peel, Finlayson & McMahon 2007.
  8. ^ Saucier et al. 2011.
  9. ^ NASA Earth Observations Data Set Index.
  10. ^ Hogan 1953, p. 4.
  11. ^ Hogan 1953, pp. 4–5.
  12. ^ a b Hogan 1953, p. 5.
  13. ^ Hogan 1953, p. 6.
  14. ^ Hogan 1953, p. 7.
  15. ^ Nabil, Clark & Barnes 2004, p. 161.
  16. ^ Banas 1999, p. 4.
  17. ^ Banas 1999, p. 2.

Sources

  • Banas, Marc P. (1999), Ressources Dianor Inc. Nipisso Property Final Report of Field Results: Reconnaissance Prospecting Program 26/06/97-05/07/97 (PDF), MRN-géoinformation, retrieved 2019-09-14
  • Hogan, Howard. R. (1953), The geology of the Nipissis River and Nipisso Lake map-areas., McGill University, retrieved 2019-09-14
  • Lac Nipisso, Commission de toponymie du Québec, retrieved 2019-09-14
  • Lac Nipisso, Natural Resources Canada, retrieved 2019-09-14
  • Moisie river aquatic reserve, Conservation plan, Government of Quebec, February 2003, retrieved 2019-09-14
  • MRC de Sept-Rivières (PDF) (map) (in French), Gouvernement du Québec, 23 August 2006, retrieved 2019-09-12
  • Nabil, Hassan; Clark, Thomas; Barnes, Sarah-Jane (1 January 2004), "A Ni-Cu-Co-PGE massive sulfide prospect in a gabbronorite dike at Lac Volant, eastern Grenville Province, Quebec", in Tollo, Richard P. (ed.), Proterozoic Tectonic Evolution of the Grenville Orogen in North America, Geological Society of America, ISBN 978-0-8137-1197-3, retrieved 14 September 2019
  • NASA Earth Observations Data Set Index, NASA, retrieved 2016-01-30
  • "Nipisso (lac)", Mémoire du Québec (in French), retrieved 2019-09-14
  • Peel, MC; Finlayson, BL; McMahon, TA (2007), "Updated world map of the Köppen-Geiger climate classification", Hydrology and Earth System Sciences (11): 1633–1644, doi:10.5194/hess-11-1633-2007
  • Saucier, J.-P.; Robitaille, A.; Grondin, P.; Bergeron, J.-F.; Gosselin, J. (2011), Les régions écologiques du Québec méridional (PDF) (map), 4 (in French), Ministère des Ressources naturelles et de la Faune, retrieved 2019-09-14
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