Report on the 5th International Meeting of the IUGS Lower Cretaceous Ammonite Working Group, the Kilian Group (Ankara, Turkey, 31st August 2013) - Archive ouverte HAL Access content directly
Journal Articles Cretaceous Research Year : 2014

Report on the 5th International Meeting of the IUGS Lower Cretaceous Ammonite Working Group, the Kilian Group (Ankara, Turkey, 31st August 2013)

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Ottilia Szives
  • Function : Author
Beatriz Aguirre-Urreta
  • Function : Author
Ricardo Barragan
  • Function : Author
Miguel Company
  • Function : Author
Vyara Idakieva
  • Function : Author
Mann Ivanov
  • Function : Author
Mikheil V. Kakabadze
  • Function : Author
Josep A. Moreno-Bedmar
  • Function : Author
Jose Sandoval
  • Function : Author
Evgenij J. Baraboshkin
  • Function : Author
Meral K. Caglar
  • Function : Author
Istvan Fozy
  • Function : Author
Celestina Gonzalez-Arreola
  • Function : Author
Samer Kenjo
  • Function : Author
Alexander Lukeneder
  • Function : Author
Seyed N. Raisossadat
  • Function : Author
Peter F. Rawson
  • Function : Author
Jose M. Tavera
  • Function : Author

Abstract

The 5th meeting of the IUGS Lower Cretaceous Ammonite Working Group (the Kilian Group) held in Ankara, Turkey, 31st August 2013, discussed the Mediterranean ammonite zonation, and its calibration with different ammonite zonal schemes of the Boreal, Austral and Central Atlantic realms. Concerning the standard zonation, that corresponds to the zonal scheme of the West Mediterranean province, some changes have been made on two stages. For the Valanginian, the Busnardoites campylotoxus Zone was abandoned; the upper part of the lower Valanginian is now characterised by the Neocomites neocomiensiformis and Karakaschiceras inostranzewi zones. For the upper Barremian, the former Imerites giraudi Zone is here subdivided into two zones, a lower I. giraudi Zone and an upper Martellites sarasini Zone. The I. giraudi Zone is now subdivided into the I. giraudi and Heteroceras emerici subzones, previously considered as horizons. The current M. sarasini and Pseudocrioceras waagenoides subzones correspond to the lower and upper parts of the M. sarasini Zone, respectively. The Anglesites puzosianum Horizon is kept. The Berriasian, Hauterivian, Aptian and Albian zonal schemes have been discussed but no change was made. The upper Hauterivian zonal scheme of the Georgian (Caucasus) region (East Mediterranean province) has been compared with the standard zonation. Discussions and some attempts at correlations are presented here between the standard zonation and the zonal schemes of different
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hal-02351049 , version 1 (06-11-2019)

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Stephane Reboulet, Ottilia Szives, Beatriz Aguirre-Urreta, Ricardo Barragan, Miguel Company, et al.. Report on the 5th International Meeting of the IUGS Lower Cretaceous Ammonite Working Group, the Kilian Group (Ankara, Turkey, 31st August 2013). Cretaceous Research, 2014, 50, pp.126--137. ⟨10.1016/j.cretres.2014.04.001⟩. ⟨hal-02351049⟩
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