Contributions to Mineralogy and Petrology

, Volume 56, Issue 3, pp 305–309 | Cite as

Coronas from the Thessaloniki gabbros, North Greece

A discussion
  • H. C. Dasgupta
  • Elias S. Sapountzis


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.


Mineral Resource Chemical Similarity Algebraic Method Corona Structure Mineralogical Reaction 
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  1. 1.
    Korzhinskii, D.S.: Physicochemical basis of the analysis of the paragenesis of minerals, 142 pp. New York: Consultants Bureau 1959Google Scholar
  2. 2.
    Sapountzis, E.S.: Coronas from the Thessaloniki gabbros (North Greece). Contrib. Mineral. Petrol. 51, 197–203 (1975)Google Scholar
  3. 3.
    Whitney, P.R., Melelland, J.M.: Origin of coronas in metagabbros of the Adirondack Mountains. New York: Contrib. Mineral. Petrol. 39, 81–98 (1973)Google Scholar
  4. 4.
    Carmichael, D.M.: On the mechanism of prograde metamorphic reactions in quartz bearing pelitic rocks. Contrib. Mineral. Petrol. 20, 244–267 (1969)Google Scholar
  5. 5.
    Griffin, W.L., Heier, K.S.: Petrological implications of some corona structures. Lithos 6, 315–335 (1973)Google Scholar


  1. 1.
    Sapountzis, S.E.: Coronas from the Thessaloniki gabbros (North Greece). Contrib. Mineral. Petrol. 51, 197–203 (1975)Google Scholar

Copyright information

© Springer-Verlag 1976

Authors and Affiliations

  • H. C. Dasgupta
    • 1
  • Elias S. Sapountzis
    • 2
  1. 1.Department of Geology and GeophysicsIndian Institute of TechnologyKharagpurIndia
  2. 2.Department of Mineralogy and PetrologyUniversity of ThessalonikiThessalonikiGreece

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