New constraints upon the structural and
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P. W. G. Tanner; T. J. Dempster; G. Rogers
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Article
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1997
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John Wiley and Sons
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English
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A Lower Ordovician age for the Oughterard Granite is established by RbยฑSr dating of magmatic white micas from pegmatites cutting two of the satellite bodies found 12ยฑ15 km west of the main granitic intrusions. These micas give a minimum age of c. 473 Ma for the emplacement of the satellite bodies, a