Abstract

The zeolitic minerals were recorded in association with the Upper Pliocene volcanic sequences in the southwestern region of Syria. As far as the authors are aware, the present work is first to characterize these potential deposits from the mineralogical and geochemical points of view. Three natural zeolite samples were collected from sedimentary–pyroclastic deposits of Om Ozon (OZ), Mukeihlat (MK), and Jabal Al-Sis (JS) areas. These samples were studied by x-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, x-ray fluorescence spectrometer (XRF), scanning electron microscopy (SEM), in combination with thermo analytical methods (differential thermal analysis (DTA) and thermo gravimetric analysis (TGA)). A variety of zeolite species, including phillipsite, analcime, and chabazite were identified in addition to variable quotients of calcite and quartz. Several characteristics of these minerals were determined such as chemical functional groups, chemical components, morphology of crystals, and thermal behaviors.

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