Champlain Sea deltas and the St-Narcisse Moraine in the Portneuf and Mauricie regions of southern Quebec: 3-D stratigraphic modeling and regional aquifer systems


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Champlain Sea deltas and the St-Narcisse Moraine in the Portneuf and Mauricie regions of southern Quebec: 3-D stratigraphic modeling and regional aquifer systems

Michel Parent (Geological Survey of Canada) et al.

Leaders and affiliations : Michel Parent (Geological Survey of Canada), René Lefebvre (INRS), Yves Leblanc (Richelieu Hydrogéologie Inc), Guillaume Légaré-Couture (INRS)

Contact : [email protected]

Description : The Portneuf and Mauricie regions host some of the largest, most productive and widely used granular aquifers in southern Quebec. This fieldtrip will introduce participants to the regional groundwater systems of this part of the Laurentian foothills and present the stratigraphy and architecture of the Late Quaternary sediments hosting these aquifer systems, most notably (1) the large paleo-deltas deposited by meltwater-fed rivers along the northern margin of the Champlain Sea and (2) the glaciofluvial/glaciomarine sediment bodies associated with the St. Narcisse Moraine and emplaced below the Champlain Sea limit in the St. Lawrence valley. Over the last 20 years, these aquifer systems have been extensively investigated in a series of studies ranging from 3D stratigraphic models to groundwater flow modeling. The fieldtrip will include stops at sites where key hydrostratigraphic units of these aquifer systems are well exposed, including the Jacques-Cartier River paleo-delta at Pont-Rouge and Valcartier (home of the well-known TCE-contaminated aquifer), the Sainte-Anne River paleo-delta at Saint-Raymond and the Saint-Narcisse Moraine north of Trois-Rivières.

Number of participants (Min/Max) : 12 / 20

Duration : 1 day

Date : Sunday, May 12, 8AM to 5Pm

Cost :
Professional, before taxes : 125$
Student, before taxes : 50$

Price includes : Transportation, lunch and guidebook

Starting point / end point : Quebec City Convention Centre (main entrance, Boul. René-Levesque)

Associated theme : Geosystems and Hydrogeosystems

Under the patronage of International Association of Hydrogeologists (IAH-CNC)