Coronas from the Thessaloniki gabbros,North Greece |
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| Authors: | H C Dasgupta Elias S Sapountzis |
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| Institution: | (1) Department of Geology and Geophysics, Indian Institute of Technology, PIN 721302 Kharagpur, India;(2) Department of Mineralogy and Petrology, University of Thessaloniki, Thessaloniki, Greece |
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| Abstract: | Chemical composition of the phases occurring as corona structures in the Thessaloniki gabbros are subjected to algebraic method of treatment following Korzhinskii 1]. The analysis reveals that the mineralogical reactions responsible for the growth of the corona structures were possibly allochemical in nature in regard to the non-volatile components. The chemical similarity of the pyroxenes occurring within and beyond the corona structures in the gabbros appears compatible with such a model. |
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