Publications Release Notice — January 13, 2015

Mines and Minerals Division: 

The following publications are being released on January 13, 2015, at 10:00 a.m. Eastern Time, or 9:00 a.m. Central Time, unless otherwise indicated. Our next scheduled publications release is February 3, 2015. To automatically receive the Publications Release Notice by email, subscribe to the distribution list by contacting Publication Sales.

Maps and reports in hard-copy (paper) format and digital data sets available on physical media (CD or DVD) can be purchased from the Publication Sales office. Publications can be downloaded for free from the GeologyOntario application or by following the links provided in this release notice. In cases where the file size is prohibitive for downloading, please contact the Publication Sales office to obtain the data on physical media (CD for $20.00; DVD for $25.00).

Prices listed in this Release Notice apply to hard-copy versions only and are subject to change without notice. The prices given in a particular release notice are guaranteed only for a period of 1 month following the date of the release.

Earth Resources and Geoscience Mapping Section

Groundwater Studies

Miscellaneous Release—Data 283–Revised
Ambient Groundwater Geochemistry Data for Southern Ontario, 2007–2014; by S.M. Hamilton. This digital data release comprises a revision of data collected in the Ambient Groundwater Geochemistry project, and an update of the original release of Miscellaneous Release—Data 283 in 2011. The project provides a comprehensive analytical characterization of the chemical state of groundwater across all of southern Ontario resulting in coverage of an area of approximately 96 000 km2. The previous release included data from the 2007 to 2010 field seasons. This release contains a compilation of geochemical data collected during the course of all 8 field seasons from 2007 to 2014. The data include detailed inorganic chemistry for almost 2300 water samples. Parameters tested include dissolved gases, major ions, trace elements, isotopes of water, and field measurements of alkalinity, temperature, pH, redox potential and electrical conductivity. The release includes a report (.pdf) with a brief explanation of the data and quality control methods; precision and accuracy plots (.jpg) for all parameters; single-parameter maps (.tif) for bedrock wells plotted over bedrock geology; single-parameter maps (.tif) for overburden wells plotted over surficial geology; and a Microsoft® Excel® 2010 spreadsheet (.xlsx) containing analytical data plus station data that include well depth, type, deepest formation penetrated and other parameters. The data are available on 1 DVD. $25.00.

Geophysics

Airborne Geophysical Survey 
Mahon Lake and Flatrock Lake Areas

1:50 000 Scale Map Sheets

Location map for Mahon Lake and Flatrock Lake geophysical survey

Map 82 651, Map 82 652, Map 82 653,
Map 82 654, Map 82 655, Map 82 656
Airborne Magnetic and Gamma-Ray Spectrometric Surveys, Colour-Filled Contours of the Residual Magnetic Field, Mahon Lake and Flatrock Lake Areas; by Ontario Geological Survey, scale 1:50 000, colour. Map prices range from $8.00 to $12.00.

Map 82 657, Map 82 658, Map 82 659,
Map 82 660, Map 82 661, Map 82 662
Airborne Magnetic and Gamma-Ray Spectrometric Surveys, Shaded Colour Image of the Second Vertical Derivative of the Residual Magnetic Field and Keating Coefficients, Mahon Lake and Flatrock Lake Areas; by Ontario Geological Survey, scale 1:50 000, colour. Map prices range from $8.00 to $12.00.

Map 82 663, Map 82 664, Map 82 665,
Map 82 666, Map 82 667, Map 82 668
Airborne Magnetic and Gamma-Ray Spectrometric Surveys, Ternary Radioelement Image, Mahon Lake and Flatrock Lake Areas; by Ontario Geological Survey, scale 1:50 000, colour. Map prices range from $8.00 to $13.00.

Geophysical Data Set

Geophysical Data Set 1077
Ontario Airborne Geophysical Surveys, Magnetic and Gamma-Ray Spectrometric Data, Grid and Profile Data (ASCII and Geosoft® Formats) and Vector Data, Mahon Lake and Flatrock Lake Areas; by Ontario Geological Survey. The data are on 1 DVD. $25.00.

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