CHISASIBI GEOTOURISTIC MAP Superior Geological Province

GEOLOGICAL HISTORY

The Chisasibi land, is part of the Canadian Shield and lies within the Archean CHISASIBI GEOTOURISTIC MAP Superior geological Province. The Superior Province comprises four geological subprovinces, from North to South: La Grande, Opinaca, Némiscau and Opatica. These subprovinces are mainly composed by volcano-plutonic or metasedimen- tary groups.

The Chisasibi land comprised the La Grande and the Opinaca subprovince. The La Grande subprovince is composed by volcano-plutonic rocks and the Opinaca ABOUT CHISASIBI.. subprovince, younger than the previous, is mainly composed by sedimentary rocks thus as paragneiss. Chisasibi Community Chisasibi mean «Great River» in Cree. The Archean La Grande sequence is mainly composed by tonalite and volcano- sedimentary rocks. Several ultramafic to felsic intrusions and some Proterozoic Chisasibi is located on the Eastern shore of James Bay and on the south shore of La Grande River (Grand River) and is home to over 6,000 gabbroic dikes and quartz-arenite basin are also present. The La Grande sequence is overlain by the volcano sedimentary Guyer and Yasinski Groups com- people which include Inuit and non-native people. A 90 km paved road connects Chisasibi to the Route de la Baie James (James Bay Montréal posed of iron formation, wacke, paragneiss, basalt to dacite and pyroclastic units. Road). In the area, principals mineralizations can be especially founded are iron forma- Chisasibi, formerly the island community of Fort George, was the site of a HBC trading post built in 1803. This strategic location favoured tions such as Duncan deposits, Cr-PGM magmatic mineralization et Cu-Ni-PGM, gold minralizations and Proterozoic uraniferous and polymetallic mineralization’s. the development of trading links between the different Native communities of the North. As a result, the French and the English fought to Claude Dion et Jean Goutier (Géologie Québec), Michel Gauthier (UQAM), 2003 monopolize the market. During a two-and-half year period at the end of 1978 to 1980, Chisasibi was relocated with its 2,000 inhabitants and about 200 houses to the mainland. Fort Georges Island is a well-known meeting place and a centre for festivities. Each summer, it hosts a major pow-wow that draws people THE ROBERT A. BOYD PARC from everywhere. (http://jamesbayroad.com/chisasibi/, http://www.chisasibi.org) A little of history...

The Radisson area was first explored by Pierre-Esprit Radisson in 1668. In 1944, the production La Grande River electricity starts to be nationalized and become Hydro-Québec. The first work construction of a dam started in 1960 at Manic-Outardes Complex. In 1972, the works at La Grande Complex starts. Vaujours During the year of the foundation, in 1974, the village of Radisson, located at the 625 km, welcomed Lake Cree Na�on of Chisasibi 3,000 people including 400 children. The Robert A. Boyd Parc is a reconstitution of the G-68 camp, an 1971 exploration camp for those 1, Aahppisaach were working for the contrsuction of the hydroelectric dam. It expose the condition of the workers at this time. This site pay tribute to the contribution of all the 185,000 workers. P.O Box 150, Chisasibi, Québec http://www.sshr.qc.ca/souvient-histoire.php J0M 1E0 Utahunanis River La Grande River (Mosquito)

ROBERT A. BOYD PARK RAD IS SO N Pointe Vauquelin Caniapiscau Pointe Aquttutalik Reservoir

d . Pointe R u Louis-XIV Burton a c De La Noue is iap Colline de l‘Ours Blanc Lake n

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Mont Uchimakan 1 R Pointe Uattikan d Baies des Oies Colline Captel La Grande 4 La Grande-4 Reservoir d oa Ganiq a R Fort George aïg X st U La Grande-3 an Colline Monkey Chisasibi Tr Collines Reservoir Pontard Tees Bay XRobert-Bourassa Keyano X Radisson La Grande-3 X La Grande-1 Robert-Bourassa Collines Waapiyaaw Reservoir oad a R Poste de Transtaïg e Limnimétre Sakami QUATERNARY PERIOD Poste de Dunkan Lake Casto l’Électrode-Duncan About 10 000 years ago, the last glaciation (which has an approximate duration of 85 000 years), began to retreat. Fol- r River Lac Missisakhegin-N lowing the deglaciation, glaciers leaved room for several eskers, moraines, lakes and bogs. With the land uplift, 8 400 Fe years ago, the Tyrrell Sea (now called Hudson Bay) who covered the coastal plain for about 290 m, retreated and left Lac Missisakhegin-S several sandy deposits (http://www2.ggl.ulaval.ca/personnel/bourque/s5/plan.section.5.html). Fe e Duncan n°4 DesaulniersLake Fe About 7 000 years, after the glaciers melted, most of the land is released from glaciers and is not until 3000 years later Grimmington Bay Robert-Bourassa Duncan n°6 Reservoir that we can see the first traces of human occupation (Desrosiers and Gendron, 2007). Fe Duncan n°3 Airport Fe WHAT IS A MORAINE? WHAT IS AN ESKER? e Dunkan Lake Duncan n°2 Quaternary Fe A mass of boulders, pebbles, sand and mud deposited in the form of a Most eskers are argued to have formed within ice-walled tunnels by Sand, esker, Water Airport long ridge along the front or sides of a glacier. Moraines typically form streams which flowed within and under glaciers. They tended to form moraine, silt, argilite, varve Esprit Lake Duncan n°5 because of the plowing effect of a moving glacier, which causes it to pick around the time of the glacial maximum when the glacier was slow and

Fe Lake up rock fragment, sand, sediments as it moves, and because of the perio- sluggish. After the retaining ice walls melted away, stream deposits remai- Proterozoic Fuel Station Kachipinikaw Kowskatehkakmow l Lake dic melting of the ice, which causes the glacier to deposit these materials ned as long winding ridges. Water can flow uphill if it is under pressure in Dyke, Gabbro Duncan n°1 Lac Ménarik during warner intervals. an enclosed pipe, such as a natural tunnel in ice. Siltstone (Bande Sud & Nord) Cr-Pd-Ni-Au (http://www.thefreedictionary.com/) (http://www.wikipedia.com/) Exploring nature Fe Esker 7 Wapiyaw Conglomerate Lake Carbonated Rock Chin Menarik Lake Lake B Mining properties Historical site a y

9 Ja Archean Deposit with tonnage m e s Retreating glacier Granite Paragneiss R oa Hydroelectric power plant MissisakheginLake d Granodiorite Anorthosite Worked deposit X Gold (Au) Ground moraine Tonalite Felsic Volcanic Rock Copper (Cu) Closed mine Recessional end Pegmatite Intermediary Volcanic Rock Zinc (Zn) moraine End moraine Diorite Mafic Volcanic Rock Chromium (Cr) Road Bedrock Monzonite Amphibolite Iron (Fe) Kettle lakes CMEB Chisasibi Geotouristic Map - September 2016 Railway km 16, Beaver Road Gneiss Ultramafic Rock Esker Uranium (U) 0 25 50 75 100 Modi ed from Landry & Mercier, 1992 P.O. Box 210 Migmatite Fault Silver (Ag) Power line Wemindji, Qc, J0M 1L0