Age, Geochemistry and Origin of the Ardara Appinite Plutons, Northwest Donegal, Ireland
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چکیده
منابع مشابه
Compositional variation within staurolite crystals from the Ardara aureole, Co. Donegal, Ireland
FEW analytical data exist for staurolite, in comparison with other metamorphic minerals such as garnet. However, using the microprobe, Hollister and Bence (1967) working with relatively inclusion-free specimens from the Kwoiek Area, British Columbia, established compositional zoning across staurolite in addition to compositional irregularities across sectoral twin boundaries. The staurolites st...
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The formation of atoll garnet in the Ardara aureole, NW Ireland, is discussed using the textural, chemical and Electron Backscatter Diffraction (EBSD) data. Textural evidence suggests the possibility of incipient of garnet replacement from the core. In addition, the presence of staurolite and andalusite in the core of small atoll garnets as well as the occurrence of sillimanite in the core of l...
متن کاملformation of atoll garnet in the ardara aureole, nw ireland
the formation of atoll garnet in the ardara aureole, nw ireland, is discussed using the textural, chemical and electron backscatter diffraction (ebsd) data. textural evidence suggests the possibility of incipient of garnet replacement from the core. in addition, the presence of staurolite and andalusite in the core of small atoll garnets as well as the occurrence of sillimanite in the core of l...
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The Sanak-Baranof plutonic belt (SBPB) includes a series of biotite tonalite, granodiorite, and granite neartrench plutons that intrude the Campanian to Eocene flysch of the Chugach-Prince William terrane (CPW) for 2100 km along the southern Alaskan margin (Hudson et al., 1979; Hill et al., 1981; Bradley et al., 2003; Haeussler et al., 2003). SBPB intrusions have been interpreted to be the resu...
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available online at http://meteoritics.org 1175 © The Meteoritical Society, 2005. Printed in USA. Petrology, geochemistry, and cosmic-ray exposure age of lherzolitic shergottite Northwest Africa 1950 P. GILLET1*, J. A. BARRAT2, P. BECK1, B. MARTY3, R. C. GREENWOOD4, I. A. FRANCHI4, M. BOHN5, and J. COTTEN6 1Laboratoire des Sciences de la Terre, CNRS UMR 5570, Ecole Normale Supérieure de Lyon, 4...
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ژورنال
عنوان ژورنال: Geoscience Canada
سال: 2019
ISSN: 1911-4850,0315-0941
DOI: 10.12789/geocanj.2019.46.144