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Yardley, Bruce W. D., Barry Long, C. (1981) Contact metamorphism and fluid movement around the Easky adamellite, Ox Mountains, Ireland. Mineralogical Magazine, 44 (334) 125-131 doi:10.1180/minmag.1981.044.334.01

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Reference TypeJournal (article/letter/editorial)
TitleContact metamorphism and fluid movement around the Easky adamellite, Ox Mountains, Ireland
JournalMineralogical MagazineISSN0026-461X
AuthorsYardley, Bruce W. D.Author
Barry Long, C.Author
Year1981 (June)Volume44
Issue334
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_44/44-334-125.pdf+
DOIdoi:10.1180/minmag.1981.044.334.01Search in ResearchGate
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Mindat Ref. ID3240Long-form Identifiermindat:1:5:3240:1
GUID0
Full ReferenceYardley, Bruce W. D., Barry Long, C. (1981) Contact metamorphism and fluid movement around the Easky adamellite, Ox Mountains, Ireland. Mineralogical Magazine, 44 (334) 125-131 doi:10.1180/minmag.1981.044.334.01
Plain TextYardley, Bruce W. D., Barry Long, C. (1981) Contact metamorphism and fluid movement around the Easky adamellite, Ox Mountains, Ireland. Mineralogical Magazine, 44 (334) 125-131 doi:10.1180/minmag.1981.044.334.01
In(1981, June) Mineralogical Magazine Vol. 44 (334) Mineralogical Society
Abstract/NotesAbstractContact metamorphism in the aureole of the Easky adamellite produced andalusite at the expense of regional staurolite, kyanite, and garnet. In the inner aureole sillimanite and K-feldspar also grew. Cordierite is only rarely present. Conditions of metamorphism in the inner aureole have been deduced from five independent criteria as 595 ± 30 °C and 2.5 ± 0.5kb. The nearby Lough Talt adamellite was emplaced at slightly higher pressures. Some aureole rocks have undergone oxidation with conversion of regional garnet to magnetite and andalusite. The reacting assemblage buffered ƒO2 near 10−17 bars. It is inferred that oxidation was caused by movement of H2O from the country rocks into the intrusion.


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