| Reference Type | Journal (article/letter/editorial) |
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| Title | The paleomagnetism of the Great Slave Supergroup: the Akaitcho River Formation |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Evans, M. E. | Author |
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| Hoye, G. S. | Author |
| Bingham, D. K. | Author |
| Year | 1980 (October 1) | Volume | 17 |
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| Issue | 10 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e80-146Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 476509 | Long-form Identifier | mindat:1:5:476509:1 |
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| GUID | 0 |
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| Full Reference | Evans, M. E., Hoye, G. S., Bingham, D. K. (1980) The paleomagnetism of the Great Slave Supergroup: the Akaitcho River Formation. Canadian Journal of Earth Sciences, 17 (10) 1389-1395 doi:10.1139/e80-146 |
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| Plain Text | Evans, M. E., Hoye, G. S., Bingham, D. K. (1980) The paleomagnetism of the Great Slave Supergroup: the Akaitcho River Formation. Canadian Journal of Earth Sciences, 17 (10) 1389-1395 doi:10.1139/e80-146 |
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| In | (1980, October) Canadian Journal of Earth Sciences Vol. 17 (10) Canadian Science Publishing |
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| Abstract/Notes | Results are reported from 120 oriented samples collected from 40 stratigraphic horizons spanning the Akaitcho River Formation of the Great Slave Supergroup. Thermal demagnetization experiments reveal the presence of multiphase remanence. Difference vectors indicate that the lower blocking temperatures carry a magnetic component attributable to the present field. The remanence remaining above 500β600 Β°C defines two polarity groups, but the two groups are not exactly antiparallel. This is interpreted in terms of a previously recognised widespread magnetic overprint acquired during uplift and cooling in the Coronation Geosyncline. A compilation of appropriate overprint data from the Great Slave Supergroup yields a mean direction of Dβ=β152Β°, Iβ=β+64 Β°(Nβ=β75 sites, kβ=β30, Ξ±95β=β3Β°), with a corresponding pole at 91Β°W, 21Β°N (Kβ=β14, A95β=β5Β°). A statistical procedure is employed to remove this overprint and obtain a best estimate of the original magnetization, which corresponds to a paleomagnetic pole on the western limb of the Coronation loop (92Β°W, 4Β°S, Nβ=β35 sites, Kβ=β13, A95β=β7Β°). |
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