作者: Ágnes Török , Andrea Mindszenty , Hannes Claes , Sándor Kele , László Fodor
DOI: 10.1016/J.QUAINT.2016.09.030
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摘要: Abstract The Gazda quarry is one of the largest outcrops present-day Suttő travertine complex that situated close to town (Hungary), in Pannonian Basin. Sedimentological and petrographical analyses show body built out phytohermal, wavy laminated, massive flat laminated lithofacies representing reed mound, slope, lacustrine palustrine depositional environments, respectively. Based on petrographic analyses, following three main textural features were recognized allow describe most common microscopic features: (1) micrite textures; (2) micritic coatings crusts; (3) different types clasts. Each major characterized by a particular association these types. geometry beds follows antecedent land-surface, NE-SW striking pre-Pleistocene valley. It proposed this valley precipitation took place along gently sloping terrain. system was fed at least two groundwater-springs. One them located NE from which waters flowing axis other source East joined water-course Closest confluence, phytohermal mound developed with lateral slope eventual pond systems. Onlapping interfingering indicate alternating activity springs. Fractures observed are mainly related postdepositional gravitational sliding, however, neotectonic forces resulting NW-SE tension also played role formation fractures. Stable oxygen carbon isotope water temperature approximately 25 °C. Petrographic studies only syn-diagenetic processes affected precipitates. Therefore original stable signatures, characteristic environment, preserved. Detailed sedimentological geochemical study allowed small-scale facies characterization providing information about ancient environment heterogeneous nature carbonates.