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- W2097250703 abstract "SUMMARY We report paleomagnetic results for 25 samples from a fully-oriented PanCanadian Petroleum drillcore which penetrated the Precambrian basement of southern Alberta at a depth of 2550 m. Samples were taken at approximately 1 m intervals over a 7 m section of core. Intensities of natural remanent magnetization (NRM) were 0.5-14 A m-' over the section, which consists mainly of granodiorite, with one short granite interval. X-ray and Curie temperature data indicated magnetite as the only important NRM carrier. Most of the NRM was an intense, steeply-inclined drilling remanence, with coercivities <20 mT and distributed low-to-intermediate unblocking temperatures. After magnetic cleaning, a weak but stable primary NRM with high coercivities and high unblocking temperatures was isolated, with D = 157, I = +52 (k = 118, mg5 = 3, N = 20). The corresponding virtual geomagnetic pole (VGP) is 4S, 93W (dp = 3, dm = 4), which falls on the North American apparent polar wander path around 1850 Ma. The basement of this part of Alberta is probably an extension of the Churchill Structural Province of the Laurentian Shield." @default.
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- W2097250703 date "1988-10-01" @default.
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- W2097250703 title "An Early Proterozoic VGP From an Oriented Drillcore Into the Precambrian Basement of Southern Alberta" @default.
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- W2097250703 doi "https://doi.org/10.1111/j.1365-246x.1988.tb00451.x" @default.
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