A synopsis of the late Miocene Mammal Fauna of Samos Island, Aegean Sea, Greece

Koufos, George D.; Kostopoulos, Dimitris S.; Vlachou, Theodora D.; Konidaris, George E.

doi:10.1016/j.geobios.2010.08.004

Cited by 28 publications

(30 citation statements)

References 14 publications

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“…Abbreviations-ELMA, European land mammal ages; GFRI, genus-level Raup-Crick faunal resemblance index; MN, European Neogene land mammal units; NOWNew and Old World database of fossil mammals (Fortelius, 2015); PMAS, IMAS, DMAS, FMAS, primary, intermediary, dominant, and final mammal assemblages of Samos (Koufos et al, 2011).…”

Section: Methodsmentioning

confidence: 99%

Magnetostratigraphy and paleoecology of the hominid-bearing locality Çorakyerler, Tuglu Formation (Çankiri Basin, Central Anatolia)

Kaya¹,

Kaymakçı²,

Bibi³

et al. 2016

Journal of Vertebrate Paleontology

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Ouranopithecus turkae, from the late Miocene ofÇorakyerler in Central Anatolia, is considered one of the last known occurrences of great ape in the eastern Mediterranean. TheÇorakyerler fauna has previously been correlated with MN 11 to early MN 12 on the basis of biochronology, and its faunal composition has been found to contrast with those from contemporaneous sites. In this paper, we present the magnetostratigraphy of theÇorakyerler site and an expanded interpretation of its paleobiogeographical and paleoecological contexts. The paleomagnetic results reveal two intervals of normal polarity and an intervening interval of reversed polarity in the main fossiliferous section. Of the three likely age correlations spanning 8.13-7.15 Ma (MN 11-MN 12), we favor correlation with chron 4n, with a possible age range of the fossiliferous deposit between 8.11 and 7.64 Ma (late MN 11). The geographic distribution of genus-level faunal similarity and mean hypsodonty show thatÇorakyerler is a typical representative of the Pikermian chronofauna with a wide range of faunal similarity, including late Miocene localities from the eastern Mediterranean, eastern Asia, and eastern Africa. Lithological and sedimentological characteristics of the fossiliferous horizon, however, indicate a lacustrine depositional environment and relatively humid local conditions within the more arid regional context. This special setting could explain the unexpected occurrence of a hominid primate atÇorakyerler.

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Section: Methodsmentioning

confidence: 99%

Magnetostratigraphy and paleoecology of the hominid-bearing locality Çorakyerler, Tuglu Formation (Çankiri Basin, Central Anatolia)

Kaya¹,

Kaymakçı²,

Bibi³

et al. 2016

Journal of Vertebrate Paleontology

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“…In this study, we focused on the eastern basin, the Mytilini Basin which contains a more than one-thousand-meter-thick succession of Mio-Pliocene sedimentary rocks unconformably deposited on a metamorphic basement and distributed in five lithostratigraphic formations (Weidmann et al, 1984;Fig. 1a and b). The age of the sedimentary infill is well-known and is based on palynological study, mammal fauna description and radiochronological dating on volcanic rocks (Ioakim and Koufos, 2009;Koufos et al, 2011;Pe-Piper and Piper, 2007;Fig. 1b).…”

Section: Study Frameworkmentioning

confidence: 99%

Controlling factors of acoustic properties in continental carbonates: Implications for high-resolution seismic imaging

Bailly

Kernif

Hamon

et al. 2022

Marine and Petroleum Geology

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“…1c). Due to the presence of radiochronological analyses on volcanic rocks (basalt and volcaniclastic deposits), palynological study and mammal fauna description (restricted to the Mytilini formation), the age of these deposits is well constrained (Pe-Piper & Piper 2007;Ioakim & Koufos 2009;Koufos et al 2011). Our study focuses on the topmost part of the Hora formation, which is composed of lacustrine and palustrine carbonates.…”

Section: S T U Dy a R E A A N D M E T H O D O L O G Ymentioning

confidence: 99%

Combined controls of sedimentology and diagenesis on seismic properties in lacustrine and palustrine carbonates (Upper Miocene, Samos Island, Greece)

Bailly

Adelinet

Hamon

et al. 2019

Geophysical Journal International

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SUMMARY For the subsurface characterization of carbonates, linking physical properties (e.g. porosity and seismic reflectors) with their geological significance (e.g. sedimentary facies and diagenesis) is of primary importance. To address this issue, we study the lacustrine and palustrine carbonates on Samos Island through a geological and geophysical characterization of a sedimentary succession. The microstructures of the samples are described, and the samples’ physical properties are measured (porosity, P-wave velocity and density). The results show that the identification of only the primary (i.e. sedimentary) microstructure is not sufficient for explaining the huge variations in porosity and P-wave velocity. Hence, we highlight two early diagenetic processes that strongly impact the microstructures and control the physical properties: (i) neomorphism occludes porosity and increases the P-wave velocity of mud- and grain-supported microstructures, which implies a mineralogical stabilization of the grains; (ii) conversely, the dissolution process creates porosity and decreases the P-wave velocity of grain-supported microstructures if the mineralogical composition of the grains is not previously stabilized. These two diagenetic processes thus depend on the primary microstructures and mineralogy of the sediments. This work aims to explain the variations in porosity and P-wave velocity for each defined primary microstructure. A 1-D seismogram is then built to highlight seismic reflectors with a metre-scale resolution. These reflectors are associated with several geological contrasts. Hard kicks (positive amplitude reflectors) match well with exposure surfaces related to palaeosols. They correspond to contrasts between non-modified primary microstructures and highly neomorphosed microstructures. Conversely, soft kicks (negative amplitude reflectors) are linked with diagenetic contrasts (e.g. neomorphosed microstructures versus non-modified primary microstructures) and sedimentary contrasts that can be overprinted by diagenesis (e.g. neomorphosed mud-supported microstructures versus dissolved grain-supported microstructures). This study highlights that high-resolution seismic reflectors of lacustrine and palustrine carbonates are strongly related to the spatial contrasts of primary microstructures overprinted by early diagenesis.

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A synopsis of the late Miocene Mammal Fauna of Samos Island, Aegean Sea, Greece

Cited by 28 publications

References 14 publications

Magnetostratigraphy and paleoecology of the hominid-bearing locality Çorakyerler, Tuglu Formation (Çankiri Basin, Central Anatolia)

Magnetostratigraphy and paleoecology of the hominid-bearing locality Çorakyerler, Tuglu Formation (Çankiri Basin, Central Anatolia)

Controlling factors of acoustic properties in continental carbonates: Implications for high-resolution seismic imaging

Combined controls of sedimentology and diagenesis on seismic properties in lacustrine and palustrine carbonates (Upper Miocene, Samos Island, Greece)

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