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TitlePontypool 'golden spike' borehole digital data compilation: sedimentology and geophysical data
AuthorRussell, H A J; Sharpe, D R; Hunter, J
SourceGeological Survey of Canada, Open File 4540, 2004; 1 CD-ROM, (Open Access)
LinksOak Ridges Moraine web site
LinksMoraine d'Oak Ridges, site web
PublisherNatural Resources Canada
Documentopen file
MediaCD-ROM; digital; on-line
RelatedThis publication contains the following publications
File formatreadme
File formatxls; mdb; txt; pdf (Adobe Acrobat Reader); jpg
AreaPort Hope; 7
Lat/Long WENS-79.0000 -78.5000 44.2500 44.0000
Subjects9; geophysics; sedimentology; stratigraphy; hydrogeology; sedimentary rocks; sedimentation; sediment properties; boreholes; geophysical logging; glacial deposits; glaciolacustrine deposits; glaciofluvial deposits; tills; hydrostratigraphic units; piezometric levels; lithostratigraphy; grain size distribution; organic carbon; geophysical surveys; conductivity; magnetic susceptibility; p waves; velocity surveys; Oak Ridges Moraine; Halton Till; Newmarket Till; 4; Cenozoic; Quaternary
Illustrationstables; sketch maps; stratigraphic sections; block diagrams; plots; cross-sections
ProgramOak Ridges Moraine NATMAP Project
Released2004 02 01
AbstractThe Pontypool borehole was drilled by Golder and Associates for the municipality of Kawartha Lakes. The Ontario Ministry of Environment provided funding for the initial drilling and geophysics. The borehole was terminated in bedrock at ~171 m depth and core was collected in 114 runs. The GSC completed bed-by-bed sediment logging of the core, grain size and total organic carbon analysis (TOC), and downhole geophysical logging. The core description consists of 405 individual units ranging from 0.01 to 1.2 m thickness with an average thickness of 0.35 m. The core description is presented in three formats, a typed entry of the logging sheet in MSExcel, a synthesized MSExcel spreadsheet for entry to the database, and the MSAccess database. The core is also documented by 739 photos that have also been combined in 113 photo mosaics. Grain size analysis was completed on 192 samples and TOC analysis on 241 samples. Downhole geophysical logs on this CD include: conductivity, natural gamma, magnetic susceptibility, temperature, and p-wave. Data files are presented in the following, text, MSExcel, MSAccess, Adobe Acrobat, and jpg file formats. The GSC data forms the main content of this CD-ROM. The data has been summarized on the poster "Pontypool 'Golden Spike' Borehole Data Compilation" published as GSC Open File 1746. This Open File is also on this CD as an Adobe Acrobat pdf file.

This Core is located within the Pontypool wedge of the Oak Ridges Moraine. It intercepts Oak Ridges Moraine to a depth of ~96 m and is predominantly silt and sand. Below this depth is 74 m of Lower sediment that is predominantly diamicton and silt - clay. Bedrock was intercepted at ~169 m depth. The Oak Ridges Moraine sediment has infilled and buried a tunnel channel.