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Geodiversitas 27 (4)

Published on
30 December 2005


Geology, mammals and environments at Akkașdağı, late Miocene of Central Anatolia

Edited by

Sevket SEN



Akkașdağı is certainly the richest vertebrate locality ever found in Turkey. After my 38 years of experience of field work, I can affirm that I have never seen so many remains of mammals piled up in the same layer, neither in the localities I excavated nor in those that I visited. Such an accumulation is exceptional and must mean that a catastrophic event caused the death of thousands of individuals in a very short time. Our results indicate that a volcanic eruption produced the rhyolitic flow whose tuffs and perhaps gas caused this mass death, Indeed, the fossils of Akkașdağı are concentrated in pockets formed by erosion on the top of the flow which functioned as traps to catch mammal carcasses. These pockets are aligned in a chain, often touching or separated a few meters one from the other, the whole in the same horizon for more than 1 km. We excavated 10 of these pockets during three field campaigns in 1997, 2000 and 2001, totaling less than one month. Nevertheless, we collected and catalogued 3276 identifiable specimens of large mammals, Akkașdağı is a typical name in the tradition of the Anatolian peasant, It means “mountain with white eyebrows” because the tuff layer forms curved reliefs at the middle slope which appear from far as the eyebrows of a mountain with round profile... The Akkașdağı project was a beautiful experiment for all the participants. This volume resulted from the competence of all the contributors and was illustrated with the beautiful photographs of Denis Serrette.

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en The position of Akkaşdağı mammal locality in the neo-tectonic framework of Çankırı basin, Turky

SEYITOGLU Gürol et al.

519-525

en Stratigraphy and sedimentology of Neogene mammal bearing deposits in the Akkaşdağı area, Turkey

KAZANCI Nizamettin et al.

527-551

en Mammal bearing late Miocene tuffs of the Akkașdağı region; distribution, age, petrographical and geochemical characteristics

KARADENIZLI Levent et al.

553-566

en Carnivora (Mammalia) from the late Miocene of Akkașdağı, Turkey

BONIS Louis de

567-590

en Chalicotheriidae (Mammalia, Perissodactyla) from the late Miocene of Akkaşdağı, Turkey

SARAÇ Gerçek & SEN Sevket

591-600

en Rhinocerotidae (Mammalia, Perissodactyla) from the late Miocene of Akkașdağı, Turkey

ANTOINE Pierre-Olivier & SARAÇ Gercek

601-632

en Equidae (Mammalia, Perissodactyla) from the late Miocene of Akkașdağı, Turkey

KOUFOS George D. & VLACHOU Theodora D.

633-705

en Proboscideans (Mammalia) from the late Miocene of Akkașdağı, Turkey

TASSY Pascal

707-714

en Suidae (Mammalia, Artiodactyla) from the late Miocene of Akkașdağı, Turkey

LIU Liping et al.

715-733

en Giraffidae (Mammalia, Artiodactyla) from the late Miocene of Akkașdağı, Turkey

KOSTOPOULOS Dimitris S. & SARAÇ Gercek

735-745

en The Bovidae (Mammalia, Artiodactyla) from the late Miocene of Akkașdağı, Turkey

KOSTOPOULOS Dimitris S.

747-791

en Taphonomy of the late Miocene of Akkașdağı, Turkey

VALLI Andrea M. F.

793-808

en Paleoecology of the Akkașdağı hipparions (Mammalia, Equidae), late Miocene of Turkey

SCOTT Robert S. & MAGA Murat

809-830