AI Summary & Key Takeaways
AI InsightThe all paleogeographic and paleoecological results indicate that, during the evolution of the Tethys, the similar events and Paratethys like environmental conditions were developed.
📌 3 Key Takeaways
Abstract
Throughout this study, the paleogeographical and paleoecological characteristics of the samples of the Miocene aged molluscan fauna have been described which identified in Antalya and Kasaba basins, in west and central Taurus. In addition to the presence of the species belonging to Tethys realm such as Cingula ventricosella Cerulli-lrelli, Cerithium appenninicum dertosulcata Sacco, and Xenophora infundibulum (Brocchi), the Hydrobia (Hydrobia) frauenfeldi (Hoernes), Pirenella gamlitzensis gamlitzensis (Hilber), Irus (Paphirus) gregarius Partsch and Glossus (Cytherocardia) cf. deshayesi (Kutassy) type species known in marinal stages of Central Paratethys are also found. Similarly, in Kasaba basin; together with the presence of the Turritella terebralis turritissima Sacco, Conus antiquus Lamarck, Conus clavatulus d'Orbigny, Pecten benedictus Lamarck and Pecten fuschi Fontannes known only in the Tethys province, the Cerithium zejsneri Putsch, Divaricella ornata subornata Hilber, Pitar (Paradione) lilacinoides Schaffer and Venus (Antigona) burdigalensis producta Schaffer type species restricted to Central Paratethys are found. Besides, it is known that, in the investigated basins, the rest of the fauna as a whole is widespread in both provinces. In order to make contribution to the environmental interpretations, the geochemical analyses have been carried out on 14 and 16 fossil casts from Antalya and Kasaba basins respectively. In this way, the fossil casts with aragonite composition have low Mg content. The 1000 Sr/Ca ratios are propotional to salinity. Consequently, the salinity of seawater in Miocene aged Antalya basin is lower than that of Kasaba basin during Upper Burdigalian (Karpatian- Ottnangian). This result is completely in agreement with the known paleoecological characteristics of the fauna. The Antalya and Kasaba basins are similar to intermontane molasse basins in the Alps and situated in the same orogenic belt. The all paleogeographic and paleoecological results indicate that, during the evolution of the Tethys, the similar events and Paratethys like environmental conditions were developed. For this reason, the stage names have been used mutually for the investigated basins. The determination of regional stages seems to be a need for the region as having its own special conditions.