| Reference Type | Journal (article/letter/editorial) |
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| Title | Regional and tectonic implications of parallel Caledonian and Permo-Carboniferous lamprophyre dyke swarms from Lismore, Ardgour |
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| Journal | Transactions of the Royal Society of Edinburgh: Earth Sciences |
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| Authors | Morrison, M. A. | Author |
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| Hendry, G. L. | Author |
| Leat, P. T. | Author |
| Year | 1987 | Volume | 77 |
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| Issue | 4 |
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| Publisher | Cambridge University Press (CUP) |
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| DOI | doi:10.1017/s0263593300023178Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 493996 | Long-form Identifier | mindat:1:5:493996:6 |
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| GUID | 0 |
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| Full Reference | Morrison, M. A., Hendry, G. L., Leat, P. T. (1987) Regional and tectonic implications of parallel Caledonian and Permo-Carboniferous lamprophyre dyke swarms from Lismore, Ardgour. Transactions of the Royal Society of Edinburgh: Earth Sciences, 77 (4) 279-288 doi:10.1017/s0263593300023178 |
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| Plain Text | Morrison, M. A., Hendry, G. L., Leat, P. T. (1987) Regional and tectonic implications of parallel Caledonian and Permo-Carboniferous lamprophyre dyke swarms from Lismore, Ardgour. Transactions of the Royal Society of Edinburgh: Earth Sciences, 77 (4) 279-288 doi:10.1017/s0263593300023178 |
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| In | (1987) Transactions of the Royal Society of Edinburgh: Earth Sciences Vol. 77 (4) Cambridge University Press (CUP) |
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| Abstract/Notes | ABSTRACTGeochemical data are presented for 166 minor intrusions collected across the axis of the Ardgour swarm in the Isle of Lismore. The intrusions can be divided into: an alkali basalt-camptonite-monchiquite group resembling other Scottish Permo-Carboniferous dykes; a group of calc-alkaline (shoshonitic) lamprophyres, diorites and porphyrites with affinities to the late Silurian-early Devonian appinite suite of Scotland; and Tertiary dolerites. The different groups cannot be unambiguously distinguished in the field and secondary alteration precludes petrographic division in many cases. The data indicate that Caledonian and Permo-Carboniferous lamprophyres have probably been confused in previous accounts of dyke distributions in the region. In Lismore the two groups have identical azimuths but the Caledonian intrusions appear to have a greater aggregate volume. The implications for tectonic and regional models of the area are discussed. |
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