2012 gsa annual meeting - charlotte · 2012. 11. 22. · 2012 gsa annual meeting - charlotte by:...
TRANSCRIPT
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2012 GSA Annual meeting - Charlotte By: Yves Leblanc, Guillaume Légaré, Michel Parent, André Pugin and Stéphane Campeau
Plateau Laurentien
Piedmont Plaine argileuse
Paléo-delta de la St-Maurice
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1. Introduction
2. Field works
3. Hydrogeological conceptual model
4. Conclusions
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Regional Groundwater
characterization of S-W Mauricie area
± 3500 km²
Funding ± 850 K$ Prov. Gov.–GSC
Objectives:
Increasing Knowledge
Geoscientific tool creation
Scientific contribution
Educational
Spreading of information
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Seismic refraction surveys
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High-resolution seismic-reflexion (Minivibe)
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High-resolution seismic-reflexion (Minivibe)
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High-resolution seismic-reflexion (Minivibe)
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Bedrock
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Old quaternary deposits
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Glacial till
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Fluvio-glacial
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Marine fine sediments
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St-Narcisse frontal moraine
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Deltaic and littoral sands
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Organic
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Plateau Laurentien
Piedmont Plaine argileuse
Paléo-delta de la St-Maurice
Canadian Shield
Foothills Marine clay flatland
St-Maurice paleo-delta
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Condition 1: Physiographic context
St-Lawrence lowlands Canadian Shield Foothills
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Condition 2: Bedrock topography
Convex bedrock Buried valley
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Condition 3: Large sediment input provided by
subglacial meltwater corridors
Fine sediments and/or glacial till Coarse sediments
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Thanks a lot!
Integration of a variety of investiguation methods
Increased knowledge about regional groundwater
Development of an aquifer depositional model
May help future groundwater investigation programs
May help for land planning
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Yves Leblanc, UQTR: Hydrogeology
Guillaume Légaré, UQTR: 3D Sedimentary model
Michel Parent, GSC: Quaternary stratigraphic interpretation
André Pugin, GSC: 3C high-resolution seismic profiling
Stéphane Campeau, UQTR: Team coordination