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Université de Fribourg

Fish, amphibian and reptilian faunas from latest Oligocene to middle Miocene localities from Central Turkey

Vasilyan, Davit ; Roček, Zbyněk ; Ayvazyan, Anna ; Claessens, Leon

In: Palaeobiodiversity and Palaeoenvironments, 2019, vol. 99, no. 4, p. 723–757

In this paper, we describe ectothermic vertebrate assemblages from the Kargı 1, Kargı 2, Kargı 3, Harami1, Harami 3, Hancılı, Keseköy, Çandır and Bağiçi localities in Turkey. The ages of these localities range from the latest Oligocene to the middle Miocene. The preserved non-mammalian fauna of the studied localities includes fishes (Luciobarbus sp., Barbus sp., Luciobarbus vel...

Haute Ecole d'Ingénierie

3D profile reconstruction

Briguet, Daniel ; Kandaswamy, Djano (Dir.)

Mémoire de bachelor : Haute Ecole d'Ingénierie, 2018.

The objective of the project is to develop a system to reconstruct in 3D the profile of a moving object.

Université de Fribourg

Revision of the planktonic foraminiferal biostratigraphy of the Voirons Flysch (Chablais Prealps, Haute-Savoie, France)

Ragusa, Jérémy ; Ospina-Ostios, Lina Maria ; Spezzaferri, Silvia ; Kindler, Pascal

In: Swiss Journal of Geosciences, 2018, vol. 111, no. 3, p. 461–473

The ages obtained from planktonic foraminiferal assemblages retrieved from two exposures in the Gurnigel Flysch and from the re-examination of similar material gathered by previous researchers from the Voirons Flysch reveal only minor discrepancies with previous studies based on nannofossil biostratigraphy. In contrast, major divergences between this work and previous studies on the Voirons...

Université de Fribourg

Biostratigraphy of large benthic foraminifera from Hole U1468A (Maldives): a CT-scan taxonomic approach

Coletti, Giovanni ; Stainbank, Stephanie ; Fabbrini, Alessio ; Spezzaferri, Silvia ; Foubert, Anneleen ; Kroon, Dick ; Betzler, Christian

In: Swiss Journal of Geosciences, 2018, vol. 111, no. 3, p. 523–536

Large benthic foraminifera are important components of tropical shallow water carbonates. Their structure, developed to host algal symbionts, can be extremely elaborate and presents stratigraphically-significant evolutionary patterns. Therefore their distribution is important in biostratigraphy, especially in the Indo-Pacific area. To provide a reliable age model for two intervals of IODP...

Université de Fribourg

What do we really know about early diagenesis of non-marine carbonates?

Boever, Eva De ; Brasier, Alexander T. ; Foubert, Anneleen ; Kele, Sándor

In: Sedimentary Geology, 2017, vol. 361, p. 25–51

Non-marine carbonate rocks including cave, spring, stream, calcrete and lacustrine- palustrine sediments, are susceptible to early diagenetic processes. These can profoundly alter the carbonate fabric and affect paleoclimatic proxies. This review integrates recent insights into diagenesis of non-marine carbonates and in particular the variety of early diagenetic processes, and presents a...

Université de Fribourg

First record of fossil anguines (Squamata; Anguidae) from the Oligocene and Miocene of Turkey

Čerňanský, Andrej ; Vasilyan, Davit ; Georgalis, Georgios L. ; Joniak, Peter ; Mayda, Serdar ; Klembara, Jozef

In: Swiss Journal of Geosciences, 2017, vol. 110, no. 3, p. 741–751

Fossil anguine lizard specimens from several Turkish localities are described in this paper. The material comes from ten different localities, spanning a large geographic area consisting of both parts of the European Turkey and Anatolia, and ranging in age from the Oligocene to the Late Miocene. In certain cases, the generic determination was possible and, accordingly, members of Ophisaurus...