| Reference Type | Journal (article/letter/editorial) |
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| Title | The Wolf Rock, Cornwall: new chemical, isotopic age and palaeomagnetic data |
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| Journal | Geological Magazine |
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| Authors | Harrison, R. K. | Author |
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| Snelling, N. J. | Author |
| Merriman, R. J. | Author |
| Morgan, G. E. | Author |
| Goode, A. J. J. | Author |
| Year | 1977 (July) | Volume | 114 |
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| Issue | 4 |
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| Publisher | Cambridge University Press (CUP) |
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| DOI | doi:10.1017/s0016756800045052Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 251326 | Long-form Identifier | mindat:1:5:251326:7 |
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| GUID | 0 |
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| Full Reference | Harrison, R. K., Snelling, N. J., Merriman, R. J., Morgan, G. E., Goode, A. J. J. (1977) The Wolf Rock, Cornwall: new chemical, isotopic age and palaeomagnetic data. Geological Magazine, 114 (4) 249-264 doi:10.1017/s0016756800045052 |
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| Plain Text | Harrison, R. K., Snelling, N. J., Merriman, R. J., Morgan, G. E., Goode, A. J. J. (1977) The Wolf Rock, Cornwall: new chemical, isotopic age and palaeomagnetic data. Geological Magazine, 114 (4) 249-264 doi:10.1017/s0016756800045052 |
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| In | (1977, July) Geological Magazine Vol. 114 (4) Cambridge University Press (CUP) |
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| Abstract/Notes | SummaryBy systematic sampling (including the drilling of orientated cores) new data are presented on the chemistry, petrography, mineralogy, K/Ar isotopic age and remanent magnetism of the Wolf Rock, Cornwall. The overall homogeneity of the Rock is confirmed as a fine-grained fluxioned microporphyritic phonolite. Major joints strike NNW–SSE and NNE–SSW and there is a pronounced floor jointing. New whole-rock and probe analyses of the constituent minerals are given. Nosean, previously recorded, is found to be replaced by analcime, cancrinite and other minerals. K–Ar determinations on nepheline and K-feldspar give mean ages of 112±2, and 130±6 Ma respectively. The mean pole position of 70° N, 6° E, suggests that the 130 Ma pole for stable Europe may have been somewhat closer to Europe than previously supposed. The significance of this Lower Cretaceous magmatism in the context of Mesozoic volcanism in Southern England and European alkaline provinces is discussed. |
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