| Reference Type | Journal (article/letter/editorial) |
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| Title | Volcanogenic quartz-magnetite-hematite veins, Snowdon, North Wales |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Colman, T. B. | Author |
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| Appleby, A.-K. | Author |
| Year | 1991 (June) | Volume | 55 |
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| Issue | 379 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_55/55-379-257.pdf+ |
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| DOI | doi:10.1180/minmag.1991.055.379.14Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 1722 | Long-form Identifier | mindat:1:5:1722:4 |
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| GUID | 0 |
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| Full Reference | Colman, T. B., Appleby, A.-K. (1991) Volcanogenic quartz-magnetite-hematite veins, Snowdon, North Wales. Mineralogical Magazine, 55 (379) 257-262 doi:10.1180/minmag.1991.055.379.14 |
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| Plain Text | Colman, T. B., Appleby, A.-K. (1991) Volcanogenic quartz-magnetite-hematite veins, Snowdon, North Wales. Mineralogical Magazine, 55 (379) 257-262 doi:10.1180/minmag.1991.055.379.14 |
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| In | (1991, June) Mineralogical Magazine Vol. 55 (379) Mineralogical Society |
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| Abstract/Notes | AbstractIn the Ordovician Snowdon Volcanic Group caldera quartz-magnetite-hematite-pyrite assemblages occur in a breccia vein in rhyolitic tuff and vein swarms in basalt. The veins developed pre-cleavage. Elevated levels of tin and tungsten in the veins, and of fluorine in the wall rocks, suggest a magmatic contribution to the mineralising fluids. The chemistry of the veins differs from that of the base-metal sulphide veins found elsewhere in the caldera. |
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