The Hart Jaune River (french: Rivière Hart Jaune) is a river in Quebec, Canada. It flows from the Petit lac Manicouagan to the

Manicouagan Reservoir Manicouagan Reservoir (also Lake Manicouagan) is an annular lake in central Quebec, Canada, covering an area of . The lake island in its centre is known as René-Levasseur Island, and its highest point is Mount Babel. The structure was created ...

Location

The Hart Jaune River is in the unorganized territory of Rivière-Mouchalagane in the

Caniapiscau Regional County Municipality Caniapiscau is a regional county municipality in the Côte-Nord region of Quebec, Canada. The seat is Fermont. The census groups Caniapiscau RCM with neighbouring Sept-Rivières into the single census division of Sept-Rivières—Caniapiscau. I ...

. It forms the outlet of the Petit lac Manicouagan at the Hart-Jaune Dam, which feeds the 45.5 MW Hart-Jaune generating station. The river flows southwest to the Manicouagan Reservoir. It is about long, and has a vertical drop of . The sources of the water are in the

Uapishka Biodiversity Reserve The Uapishka Biodiversity Reserve (french: Réserve de biodiversité Uapishka) is a protected area in the Côte-Nord region of Quebec. It is one of five biodiversity reserves in the province. It is to the east of the Manicouagan Reservoir and in ...

, which also feeds the Toulnustouc and

Manicouagan Manicouagan may refer to: *Manicouagan crater, an impact crater in Quebec *Manicouagan Reservoir, formed when the Manicouagan impact crater was converted to a reservoir. *Manicouagan Regional County Municipality, Quebec *Manicouagan River *Manicouag ...

rivers. The Hart Jaune is one of the major inlets to the Manicouagan Reservoir, along with the Mouchalagane,

Seignelay Seignelay () is a commune in the Yonne department in Bourgogne-Franche-Comté in north-central France. The regional historian Vaast Barthélemy Henry (1797–1884) was born in Seignelay. See also *Communes of the Yonne department The followin ...

, Themines and

Petite Riviere Manicouagan Vincent Aycocho, or better known as Petite is a Filipino actor, comedian, singer and TV show host. He is known for as a Filipino comedian in ''Comedy Bar (Philippine TV series), Comedy Bar'', Punch line and Clowns, together with their other cele ...

. The reservoir is drained by the Manicouagan River.

Quebec Route 389 Quebec's Route 389 connects Route 138 adjacent to Baie-Comeau with the Newfoundland and Labrador border, connecting with the Trans-Labrador Highway (Newfoundland and Labrador provincial route 500) to Wabush and Labrador City, and beyond to Goose ...

from Baie-Comeau to

Labrador City Labrador City is a town in western Labrador (part of the Canadian province of Newfoundland and Labrador), near the Quebec border. With a population of 7,412 as of 2021, it is the second-largest population centre in Labrador, behind Happy Valley-Go ...

crosses the river at Km 375 over a small wooden one-way bridge. In February 2017 the Quebec government asked for bids to replace the bridge, estimated to cost CDN$1−5 million. The new bridge was to be a concrete slab type bridge over steel girders.

Name

The

Innu The Innu / Ilnu ("man", "person") or Innut / Innuat / Ilnuatsh ("people"), formerly called Montagnais from the French colonial period ( French for "mountain people", English pronunciation: ), are the Indigenous inhabitants of territory in the ...

name for the river is ''Uishauneu Shipu'', meaning ''river where there are alders''. The name "Hart" refers to a strip of a flexible wood such as alder, hazel or dogwood used for binding. "Hart jaune" may refer to the

grey alder ''Alnus incana'', the grey alder or speckled alder, is a species of multi-stemmed, shrubby tree in the birch family, with a wide range across the cooler parts of the Northern Hemisphere. Tolerant of wetter soils, it can slowly spread with runners ...

(''Alnus incana''), which provides a yellow dye. The name was approved in 1945 and appears on a 1962 map of Quebec. The river has also been called the Rivière La Ferté.

Geology

The course of the river roughly corresponds to the Hart Jaune Shear Zone (HJSZ) as proposed by Hynes et al. (2000). Southeast extension occurred along the shear zone during the Rigolet Pulse 1010–980 Ma) of the

Grenville orogeny The Grenville orogeny was a long-lived Mesoproterozoic mountain-building event associated with the assembly of the supercontinent Rodinia. Its record is a prominent orogenic belt which spans a significant portion of the North American continent, ...

. Hart Jaune

granite Granite () is a coarse-grained (phaneritic) intrusive igneous rock composed mostly of quartz, alkali feldspar, and plagioclase. It forms from magma with a high content of silica and alkali metal oxides that slowly cools and solidifies undergro ...

and

anorthosite Anorthosite () is a phaneritic, intrusive igneous rock characterized by its composition: mostly plagioclase feldspar (90–100%), with a minimal mafic component (0–10%). Pyroxene, ilmenite, magnetite, and olivine are the mafic minerals most c ...

have thrust from the northwest under the shear zone and the

allochthonous River ecosystems are flowing waters that drain the landscape, and include the biotic (living) interactions amongst plants, animals and micro-organisms, as well as abiotic (nonliving) physical and chemical interactions of its many parts.Angelier ...

Hart Jaune terrane of Pinwarian crust to the southeast.

Notes

Sources

* * * * * * * * {{DEFAULTSORT:Hart Jaune River Rivers of Côte-Nord