| Reference Type | Journal (article/letter/editorial) |
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| Title | Metamorphism and metasomatism of rocks of the Moine Series by a dolerite plug in Glenmore, Ardnamurchan (Plate XIX) |
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| Journal | Mineralogical Magazine and Journal of the Mineralogical Society |
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| Authors | Butler, B. C. M. | Author |
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| Year | 1961 (September) | Volume | 32 |
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| Issue | 254 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_32/32-254-866.pdf+ |
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| DOI | doi:10.1180/minmag.1961.032.254.03Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 5634 | Long-form Identifier | mindat:1:5:5634:6 |
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| GUID | 0 |
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| Full Reference | Butler, B. C. M. (1961) Metamorphism and metasomatism of rocks of the Moine Series by a dolerite plug in Glenmore, Ardnamurchan (Plate XIX) Mineralogical Magazine and Journal of the Mineralogical Society, 32 (254) 866-897 doi:10.1180/minmag.1961.032.254.03 |
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| Plain Text | Butler, B. C. M. (1961) Metamorphism and metasomatism of rocks of the Moine Series by a dolerite plug in Glenmore, Ardnamurchan (Plate XIX) Mineralogical Magazine and Journal of the Mineralogical Society, 32 (254) 866-897 doi:10.1180/minmag.1961.032.254.03 |
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| In | (1959) Mineralogical Magazine Vol. 32 (254) Mineralogical Society |
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| Abstract/Notes | SummaryA small dolerite plug in Glenmore, Ardnamurchan, has metamorphosed and partially vitrified the adjacent Moine arkoses up to a distance of 6 ft. from the contact. Chemical analyses show that the glasses produced by the metamorphism have compositions close to the ternary minimum in the system NaAlSi3O8-KAlSi3O8-SiO2, indicating that they were formed by fractional fusion of a lowest-melting composition from the arkose. Alkali metasomatism in the metamorphosed arkoses resulted in an increase of Na2O and a decrease of K2O as the contact with the dolerite is approached, while an associated pelitic horizon shows an increase of K2O content. A review of other examples of thermal metamorphism of quartzo-feldspathic rocks by basic intrusions shows that movements of alkalis are very common in this type of environment, and the possible relations of the metasomatism and the fusion are discussed. |
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