Reprocessing of magnetic data for Yukon was performed between November 2016 and March 2017. Aeromagnetic data were compiled, data of different resolutions were merged, and a series of images individually levelled for each map sheet were produced. For each 250k-scale map, the following magnetic derivative maps were produced: 1. Residual Total Magnetic Field; 2. Reduced-to-Pole Magnetic Field (RTP); 3. First Vertical Derivative of the Reduced-to-Pole Magnetic Field (RTP_VD); and 4. Tilt Derivative of the Reduced-to-Pole Magnetic Field (RTP_TDR). These maps are provided as pdfs, geotiffs and Geosoft grid files. Colour ramps/legends are provided for each map.

This GIS dataset depicts the surficial geology of the Cleardale area (NTS 84D/SW) (point features). The data are created in geodatabase format and output for public distribution in shapefile format.

The aeromagnetic survey was carried out by Goldak Airborne Surveys and data were acquired from March 10 to July 6, 2017. Spacing for the nominal traverse and control lines were 400 m and 2400 m, respectively. Nominal terrain clearance was 150 m.

This document comprises a compilation of technical reports for field investigations completed by Yukon University Research Centre (YRC) at seven case study sites that represent common permafrost environments in the greater Whitehorse area. This work was completed for Yukon Geological Survey (YGS) with core funding from Crown-Indigenous Relations and Northern Affairs Canada (CIRNAC) Climate Change Preparedness in the North (CCPN) program. The primary purpose of the report is to document results of field investigations (e.g., ERT geophysics, drilling and geotechnical laboratory analysis) completed by YRC at each site. Supporting background material and case study geological descriptions were prepared by YGS, along with general discussion relating to climate change and implications for development.

This aeromagnetic survey was carried out by Novatem Inc. from February 23, 2019 to April 2, 2019. The data were recorded using split-beam cesium vapour magnetometers mounted in the tail booms of two Piper Navajo aircraft. The nominal traverse and control line spacings were 400 m and 2400 m, and the aircraft flew at a nominal terrain clearance of 150 m. Traverse lines were oriented N45°E with orthogonal control lines.

Pedestrian circuits**This third party metadata element was translated using an automated translation tool (Amazon Translate).**

Locations of overflow structures in the City of Repentigny.**This third party metadata element was translated using an automated translation tool (Amazon Translate).**

This map of the first vertical derivative of the magnetic field was derived from data acquired during an aeromagnetic survey carried out by EON Geosciences Inc. in the period between April 10, 2009 and September 16, 2009. The data were recorded using split-beam cesium vapour magnetometers (sensitivity = 0.005 nT) mounted in each of the tail booms of a Piper Navajo and a Cessna 206 aircraft. The nominal traverse and control line spacings were, respectively, 800 m and 2 400 m, and the aircraft flew at a nominal terrain clearance of 250 m. Traverse lines were oriented N90°E with orthogonal control lines. The flight path was recovered following post-flight differential corrections to the raw Global Positioning System data and inspection of ground images recorded by a vertically-mounted video camera. The survey was flown on a pre-determined flight surface to minimize differences in magnetic values at the intersections of control and traverse lines. These differences were computer-analysed to obtain a mutually levelled set of flight-line magnetic data. The levelled values were then interpolated to a 200 m grid. The International Geomagnetic Reference Field (IGRF) was not removed from the total magnetic field.

The Geological Atlas of the Western Canada Sedimentary Basin was designed primarily as a reference volume documenting the subsurface geology of the Western Canada Sedimentary Basin. This GIS dataset is one of a collection of shapefiles representing part of Chapter 21 of the Atlas, Cretaceous Viking Formation of the Western Canada Sedimentary Basin, Figure 4, Viking Isopach and Lithofacies. Shapefiles were produced from archived digital files created by the Alberta Geological Survey in the mid-1990s, and edited in 2005-06 to correct, attribute and consolidate the data into single files by feature type and by figure.

This aeromagnetic survey was carried out by Goldak Airborne Surveys from February 17, 2014 to March 21, 2014. The data were collected using split-beam cesium vapour magnetometers mounted in each of the tail booms of 2 Piper Navajo aircraft. Nominal traverse and control line spacings were 400 and 1400 m, and the nominal terrain clearance was 125 m.