Geological Survey Of Canada, Current Research (Online) No. 2005-D2
Publisher: Natural Resources Canada
Number of Pages: 12
Book Description: This study documents the magnetic properties & densities of exposed units in the Central Metasedimentary Belt, Central Metasedimentary Belt boundary tectonic zone, and part of the Central Gneiss Belt, located between the Kawartha Finger Lakes and the Bancroft region of southern Ontario. A representative suite of rock unit samples was collected from the primary lithological units of both the Belt and the tectonic zone in order to record spatial variability of magnetic properties & density. The area sampled was selected because it transects several prominent regional magnetic anomalies. Closely spaced in situ magnetic susceptibility measurements are complemented by laboratory measurements which provide more controlled conditions but sparser sampling. The results are intended to provide useful constraints for future gravity & magnetic modelling and inversion studies in the region.
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