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TitleA chemostratigraphic framework for southern Ontario: a progress report
DownloadDownload (whole publication)
LicencePlease note the adoption of the Open Government Licence - Canada supersedes any previous licences.
AuthorKnight, R DORCID logo; Bajc, A F; Kjarsgaard, B AORCID logo; Russell, H A JORCID logo; Stepner, D A J
SourceRegional-scale groundwater geoscience in southern Ontario: an Ontario Geological Survey, Geological Survey of Canada, and Conservation Ontario geoscientists open house; by Russell, H A JORCID logo; Ford, D; Priebe, E H; Holysh, S; Geological Survey of Canada, Open File 8363, 2018 p. 22, Open Access logo Open Access
PublisherNatural Resources Canada
MeetingRegional-Scale Groundwater Geoscience in Southern Ontario: Open House; Guelph; CA; February 28 - March 1, 2018
Documentopen file
Mediaon-line; digital
RelatedThis publication is contained in Regional-scale groundwater geoscience in southern Ontario: an Ontario Geological Survey, Geological Survey of Canada, and Conservation Ontario geoscientists open house
File formatpdf
NTS30; 31C; 31D; 40; 41A; 41G; 41H/03; 41H/04; 41H/05; 41H/06; 41H/12; 41H/13
AreaSouthern Ontario
Lat/Long WENS -84.0000 -76.0000 46.0000 41.5000
Subjectshydrogeology; stratigraphy; geochemistry; groundwater; aquifers; boreholes; core samples; in-field instrumentation; x-ray fluorescence analyses; Quality control; Phanerozoic; Paleozoic
ProgramGroundwater Geoscience Aquifer Assessment & support to mapping
Released2018 02 16
AbstractWork has been advancing since 2015 on the development of a framework and reconnaissance scale overview of subsurface geochemical variability of southern Ontario. In a collaborative effort between universities, Conservation Authorities, the Ontario Geological Survey and the Geological Survey of Canada geochemical data is being acquired from continuously cored boreholes using both portable X ray fluorescence spectrometry and traditional wet chemical analysis. The activity is now in its third year and recent work has focused on sediment cores from the GTA, Waterloo, Dundas Valley, Bradford, south Simcoe, and London areas. Thirty-three boreholes and ~3000 samples have been analyzed. The borehole distribution loosely aligns alon and east-west and north- south transect of 300 and 200 kms, respectively. All data is in the process of being prepared for publication as data release Open Files. An additional ~600 samples have been received from Oro, Orangeville, Niagara, and Pickering areas and analysis should be completed in 2018. These analysis will complete the reconnaissance scale transect framework development for Southern Ontario. Once finished, the framework will be available for comparison when more site specific, local scale studies obtain subsurface geochemistry.
Work is also underway preparing a manuscript on the methodology and QA/QC process employed within the southern Ontario project for the combined laboratory and pXRF dataset.
Summary(Plain Language Summary, not published)
Proceedings for a workshop in Guelph Ontario as part of the program S&T exchange. Abstracts have been contributed by Ontario Geological Survey, Ministry of Environment and Climate Change, Conservation Authorities, Universities, private sector, and Unites States Geological Survey.

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