| Reference Type | Journal (article/letter/editorial) |
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| Title | Paleomagnetism of the 1180 Ma Grenvillian Umfraville gabbro, Ontario |
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| Journal | Canadian Journal of Earth Sciences |
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| Authors | Symons, D. T. A. | Author |
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| Year | 1978 (June 1) | Volume | 15 |
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| Issue | 6 |
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| Publisher | Canadian Science Publishing |
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| DOI | doi:10.1139/e78-103Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 475897 | Long-form Identifier | mindat:1:5:475897:0 |
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| GUID | 0 |
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| Full Reference | Symons, D. T. A. (1978) Paleomagnetism of the 1180 Ma Grenvillian Umfraville gabbro, Ontario. Canadian Journal of Earth Sciences, 15 (6) 956-962 doi:10.1139/e78-103 |
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| Plain Text | Symons, D. T. A. (1978) Paleomagnetism of the 1180 Ma Grenvillian Umfraville gabbro, Ontario. Canadian Journal of Earth Sciences, 15 (6) 956-962 doi:10.1139/e78-103 |
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| In | (1978, June) Canadian Journal of Earth Sciences Vol. 15 (6) Canadian Science Publishing |
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| Abstract/Notes | The 1180 ± 20 Ma Umfraville gabbro is a slightly metamorphosed stock in the Grenville Province. It was sampled at 17 sites (183 specimens). After alternating field and thermal demagnetization the gabbro retains the same very stable remanent magnetization of primary origin both before and after screening. The screened AF direction from 10 sites (96 specimens) gives a pole position of 166°E, 11°S (δp = 7°, δm = 10°). This position is ≈ 13° southeast of that originally reported for the gabbro by Hood. This pole position either does not fit or necessitates modifications to the four hypotheses that have been invoked to explain Grenville paleomagnetic data. |
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