| Reference Type | Journal (article/letter/editorial) |
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| Title | Cummingtonite in the Dalradian of NE Scotland |
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| Journal | Mineralogical Magazine |
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| Authors | Smith, C. G. | Author |
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| Phillips, E. R. | Author |
| Year | 2002 (April) | Volume | 66 |
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| Issue | 2 |
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| Publisher | Mineralogical Society |
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| DOI | doi:10.1180/0026461026620031Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 243346 | Long-form Identifier | mindat:1:5:243346:6 |
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| GUID | 0 |
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| Full Reference | Smith, C. G., Phillips, E. R. (2002) Cummingtonite in the Dalradian of NE Scotland. Mineralogical Magazine, 66 (2) 337-352 doi:10.1180/0026461026620031 |
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| Plain Text | Smith, C. G., Phillips, E. R. (2002) Cummingtonite in the Dalradian of NE Scotland. Mineralogical Magazine, 66 (2) 337-352 doi:10.1180/0026461026620031 |
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| Abstract/Notes | AbstractThe first recorded occurrence of cummingtonite in the Scottish Dalradian is described. The mineral occurs in thin layers within a psammite-semipelite sequence forming the lower part of the Easdale Subgroup in which it coexists with bytownitic plagioclase, almandine-rich garnet and quartz. Textural and mineral chemical evidence suggest that the cummingtonite developed from hornblende during amphibolite-facies regional metamorphism. The protolith to this cummingtonite-bearing rock is believed to have been a basaltic tuff, possibly alkaline in character, containing a significant proportion of sedimentary detritus. The cummingtonite-bearing rock may provide the earliest record of basic volcanism in the Dalradian of the Ballater district. |
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