Institute of Geochemistry, Mineralogy & Petrology, University of Warsaw

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FACULTY OF GEOLOGY, WARSAW UNIVERSITY


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12th SESSION OF THE PETROLOGY GROUP OF THE MINERALOGICAL SOCIETY OF POLAND "CRYSTALLINE ROCKS OF THE EAST-EUROPEAN CRATON"

Purple Pond coloured by acid products of pyrite weathering, Wiesciszowice; phot. J. Parafiniuk