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“…No indication for a Campanian age is present still at the top of the Unaz Formation in our investigated sections (Figures 3, 6, and 7), especially when a palaeomagnetic definition of the base of the Campanian, i.e. the base of magneto-chron C33r, is applied, which is closely linked to the LO of Dicarinella asymetrica and the FO of (large forms of) Broinsonia parca parca (Ogg and Hinnov, 2012;Scott, 2014;Coccioni and Premoli Silva 2015;Wolfgring et al, 2017Wolfgring et al, , 2018. At sections Kuşçu, Çayaltı, and Köseli, a small time gap and slight unconformity may be present at the base of the Unaz Formation, but no significant time interval is missing, as sediments below (Dereköy Formation) and above (Unaz Formation) the unconformity can be dated into the same nannofossil zones (CC17 and UC12-13) of the middle to late Santonian.…”
Section: Chronostratigraphy and Lithostratigraphymentioning
“…Further studies may also allow a linkage of the Upper Cretaceous successions of the Western Pontides to those of the similar mixed volcaniclastic-pelagic successions in the Mudurnu-Göynük Basin in central Sakarya, some 200 km to the southeast of the study area. The latter display largely similar lithologies and age distributions compared to the İstanbul zone of the Western Pontides (Yılmaz, 2008;Wolfgring et al, 2016Wolfgring et al, , 2017, and similar paleotectonic settings are reconstructed for red pelagic limestones in comparison to the Unaz Formation of the Western Pontides (Tüysüz et al 2012;Yılmaz, 2008).…”
Section: Palaeotectonic Implicationsmentioning
“…Jarvis et al 2006Jarvis et al , 2015Voigt et al 2012;Wendler 2013) and magnetostratigraphy (e.g. Gradstein et al 2012;Wolfgring et al 2018). These advancements have led to a reliable numerical timescale with a general error below 1 myr, and for the Cretaceous an error of one long eccentricity cycle of 405 kyr .…”
Section: Non-climate Related Cycles?mentioning
“…Published studies out of the IGCP 609 community include contributions from, e.g. Austria (Neuhuber et al 2016;Wolfgring et al 2018b), China (Xi et al 2016;Wu et al 2017;Li et al 2018;Xu et al 2019) (Yilmaz et al 2018;Wolfgring et al 2018aWolfgring et al , 2020Mulayim et al 2019) and the USA (Ross et al 2017(Ross et al , 2020Joeckel et al 2019).…”
mentioning
“…Sames, 2017). (6) Case studies within the project came from various regions of the world; published studies include, e.g., Austria (Neuhuber et al, 2016;Wolfgring et al, 2018b), China (Xi et al, 2016;Wu et al, 2017;Li et al, 2018), Egypt (Fathy et al, 2018), Tanzania (Wendler et al, 2016a), Jordan (Wendler et al, 2016b), Pakistan (Iqbal et al, 2019), Spain (Socorro et al, 2017), Turkey (Yilmaz et al, 2018;Wolfgring et al, 2018a), NW Europe (Hart et al, 2016), Russia (Zorina, 2016;Zorina et al, 2017) and USA (Ross et al, 2017).…”
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