Processing and Interpretation of SkyTEM Airborne Magnetic Survey data in the Peace Region, Northeast BC

Project code: 2016-052

Project type: Energy

Proponent: Scott Hogg & Associates Ltd.

Principal Investigator: Steve Munro

Project location: Peace Region, Northeast BC

This project applies new analysis to data generated for Geoscience BC's Peace Project. It applies modelling and interpretation work to results of an aerial magnetic survey conducted in 2015 (Geoscience BC Report 2016-03) and to Geological Survey of Canada (GSC) data to understand the structure and depth of the area's crystalline basement.

The Need
The Peace Project focussed on building a better understanding of shallow groundwater in the Peace region of northeastern BC through the interpretation of electromagnetic data. However, it is possible to interpret the magnetic component of that dataset to identify the basement rock layer and structure. Mapping of basement structure may be very helpful in understanding seismicity in the Peace region, including any induced seismic activity that may be caused by hydraulic fracturing.

Analyzing data in different ways can provide new understandings and knowledge. Following a helicopter magnetic and electromagnetic survey carried out by SkyTEM Surveys in the summer of 2015, Geoscience BC sought additional interpretation to understand the structure and depth of the area's crystalline basement.

Project Goals
This project used magnetic data from the Peace Project and other public magnetic data from the GSC to interpret crystalline basement with respect to structure, lineaments, faults, intrusions and lithology (i.e. magnetic susceptibility).

Project Benefits
This project adds value to existing datasets using the same data to look for different purposes.

Survey Area
Peace Region, northeastern BC. The Peace Project covers 9,600 km2, an area roughly a quarter the size of Vancouver Island. The area included the northern part of the Montney play, an area of enormous natural gas potential.

How was the data collected?
Using airborne magnetic data recently collected as part of the Peace Project airborne survey, as well as existing Geological Survey of Canada data, the report presents an interpretation of faults and the depth to basement.

What was found?
The project report presents and discusses an interpretation of faults and the depth to basement in the Peace Project area based on 3D inversion and magnetic models.

The Detail

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