%P 119-131 %C Szeged %O Bibliogr.: 131. p. ; ill. ; ĂśsszefoglalĂĄs angol nyelven %T On the occurrence of primary dolomites in Qatrani Formation (Oligocene) in Fayoum Province, Western Desert, Egypt %J Acta mineralogica-petrographica %A Abdel Rehim A. M. %A Abdel-Kireem M. R. %N 1 %D 1975 %I University of Szeged, Department of Mineralogy, Geochemistry and Petrology %L acta24592 %K KĹzettan, ĂsvĂĄnytan, FĂśldtan %V 22 %X This work represents a study of pĂŠtrographie properties, differential thermal analysis and Нг-ray diffraction study of carbonate rocks of the Qatrani formation of Oligocene age in Fayoum Province, Egypt. These carbonate rocks can be grouped into three major textural and compositional types. Microcrystalline dolostones or dolomicrite, gypsiferous dolomicrite and dolomitic sandstones.