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TitleReconnaissance sub-bottom acoustic profiling survey at Lac Joannès, Quebec
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AuthorGrenier, A; Brooks, G R
SourceGeological Survey of Canada, Open File 8214, 2017, 17 pages, https://doi.org/10.4095/300238
Year2017
PublisherNatural Resources Canada
Documentopen file
Lang.English
Mediaon-line; digital
RelatedFor all publications in this survey, see the following publications
File formatreadme
File formatpdf (Adobe® Reader®); rtf; kea (ASCII format); keb (Knudsen PostSurvey(TM) v4.03); sgy (SEG-Y)
ProvinceQuebec
NTS32D/02
AreaLac Joannès; Rouyn-Noranda
Lat/Long WENS -79.0000 -78.5000 48.2500 48.0000
Subjectsgeophysics; surficial geology/geomorphology; stratigraphy; geophysical surveys; acoustic surveys; surface waters; lakes; lake sediments; lacustrine deposits; glacial deposits; glaciolacustrine deposits; varved deposits; clays; glacial lakes; lake sediment thickness; stratigraphic analyses; facies descriptions; sediment stability; slope failures; methane; sediment transport; bedrock topography; Glacial Lake Barlow; Glacial Lake Barlow-Ojibway; Glacial Lake Ojibway; Timiskaming Basin; Hudson Bay Basin; Great clay belt; Lesser clay belt; Lac Joannès Basin; sub-bottom acoustic profiling (SAP); mass transport deposits (MTDs); Phanerozoic; Cenozoic; Quaternary
Illustrationstables; location maps; geophysical profiles
ProgramAssessing Earthquake Geohazards, Public Safety Geoscience
Released2017 04 12
AbstractAs part of a reconnaissance sub-bottom acoustic profiling (SAP) survey, 23 SAP were collected from Lac Joannès, Quebec, on August 22, 2015. Good penetration of the sub-bottom was obtained within the profiled areas. Three depositional facies are present within the SAP returns that represent lacustrine, glaciolacustrine and mass transport deposits. The profiles collected from Lac Joannès demonstrate the presence of mass movement deposits within this basin. Relatively deep water conditions in some of the profiled areas could represent a challenge to coring, depending on the coring equipment used.
Summary(Plain Language Summary, not published)
This Open File is a release of sub-bottom profile data collected from Lac Joannès, western Quebec. The profiles reveal lacustrine, glaciolacustrine and submarine landslide deposits preserved in the modern lake bed.
GEOSCAN ID300238