An early Emsian (Zlichovian) ammonoid assemblage from Sangibaland Mountain (Shakhimardan River Basin) (South Tien Shan, Kyrgyzstan)

Nikolaeva, Svetlana; Kim, Aleksey; Erina, Maya

doi:10.1007/s12549-017-0291-2

Cited by 3 publications

(3 citation statements)

References 24 publications

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“…elegans Zone. Erbenoceras kimi is not restricted to Uzbekistan, but has also been reported from other localities in the South Tien Shan (Bardashev et al 2005, Nikolaeva et al 2017. We did not find the association Kimoceras lentiforme and B. khanakasuense during our field work in the Khodza-Kurgan Gorge, but it was previously reported from Unit 16 in Becker et al (2010), thus allowing to correlate our new in-situ finds in Shirdag with the Khodza-Kurgan Gorge.…”

Section: Ammonoid Succession and The Daleje Ammonoid Turnoversupporting

confidence: 64%

“…It is striking that many of the ammonoid species de s cribed from Uzbekistan (Bogoslovsky 1969(Bogoslovsky , 1972(Bogoslovsky , 1984Yatskov 1990;Bardashev et al 2005;Kim et al 2007;Becker et al 2010) have only been described from this region. Meanwhile, Erbenoceras kimi has also been re corded from other South Tien Shan localities outside Uz be ki stan including Sangibaland Mountain in Kyrgyzstan (Nikolaeva et al 2017) and potentially also in the Alai Mountains in Turkestan (Kiselev & Starshinin 1987), which were close to each other in the Early Devonian facing the passive margin of the Turkestan or South Tien Shan Ocean (Windley et al 2007, Filippova et al 2001, Nikolaeva et al 2017.…”

Section: Palaeogeography and Ammonoid Endemismmentioning

confidence: 99%

“…E. advolvens was occasionally reported as E. cf. solitarium from the southern Tien Shan (Nikolaeva et al 2017) and is also known from the Urals (Bogoslovsky 1963(Bogoslovsky , 1969De Baets et al 2013b).…”

Section: Ammonoid Succession and The Daleje Ammonoid Turnovermentioning

confidence: 99%

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Early Devonian ammonoid faunas in the Zeravshan Mountains (Uzbekistan and Tadjikistan) and the transition from a carbonate platform setting to pelagic sedimentation

Naglik¹,

Baets²,

Klug³

2019

Bull. Geosci.

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In Central Asia, Uzbekistan offers the rare opportunity to study the palaeontological inventory in exposures of Cam brian to Recent sediments (Kim et al. 2007). Concerning the Palaeozoic sedimentary records, the ZeravshanGissar Mountains located both in Uzbekistan and Tadjikistan are particularly important (Bardashev et al. 2005). There, the palaeontological record of the Palaeozoic sequence is both diverse and well preserved. In an area covering 56 km 2 located about 170 km southsoutheast of Samar kand, Ordovician to Carboniferous sediments are well ex posed in a mountainous area. This area is protected since 1979 by the Uzbek government. It is known as the Kitab State Natural Reserve (Fig. 1A) and a research station (Za povednik village) has been created in order to encour age scientific research in this region (Yolkin et al. 1997). In 2004, Uzbekistan even edited stamps depicting an outcrop of the early Emsian in the Khodzha Kurgan Gorge and the early Emsian ammonoid "Mimosphinctes" rudicostatus Bogoslovsky, 1980(Ernst & Klug 2011.The Kitab area is famous for more or less continuous successions ranging from the Middle Ordovician to the early Carboniferous, with shallow water to terrigenous siliceous carbonates in the Devonian part and only moder ate tectonic disturbance according to Yolkin et al. (2008). Moreover, this area is of great importance for researchers focusing on the Early Devonian due to the presence of the Pragian-Emsian Global Boundary Stratotype Section and Point (Yolkin et al. 1997) as well as the rich cephalopod successions in much of the Emsian. The Pragian-Emsian GSSP was defined here because of the excellent conodont record in the Zinzilban Gorge. The current Pragian-Emsian GSSP marks the level where the conodont Polygnathus kitabicus appeared first (Yolkin et al. 1997), although it is currently being revised (Carls et al. 2008, Izokh et al. 2011, Kim et al. 2012. The current boundary is very close to the lithological boundary between the reefal and the pelagic facies (Kim et al. 2012). The origin of this sedi ment ological and palaeoecological transition is one of the 337

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Section: Ammonoid Succession and The Daleje Ammonoid Turnoversupporting

confidence: 64%

Section: Palaeogeography and Ammonoid Endemismmentioning

confidence: 99%

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Early Devonian ammonoid faunas in the Zeravshan Mountains (Uzbekistan and Tadjikistan) and the transition from a carbonate platform setting to pelagic sedimentation

Naglik¹,

Baets²,

Klug³

2019

Bull. Geosci.

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Increasing knowledge on biodiversity patterns and climate changes in Earth’s history by international cooperation: introduction to the proceedings IGCP 596/SDS Meeting Brussels (2015)

Mottequin

Slavík

Königshof

2017

Palaeobio Palaeoenv

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Stratigraphic Characteristic Devon System Of Mountain Kuldzhuktau (South Tian-Shan)

Davlatov¹

2020

tajas

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This article presents the results of long-term stratigraphic studies on the territory of the Kuldzhuktau mountains. Schemes for the division and correlation of Devonian deposits have been created based on complete biostratigraphic data that most effectively reflect the geological age of local stratigraphic units and their reliable correlation with geological age. The tier units of the International Devonian Stratigraphic Scale are substantiated at the present stage of research. Due to the widespread use of conodonts, it was possible to clarify the physical and age volumes, as well as the sequence of Devonian deposits in the territory of Kuldzhuktau, and almost completely reconstruct the Devonian section.

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An early Emsian (Zlichovian) ammonoid assemblage from Sangibaland Mountain (Shakhimardan River Basin) (South Tien Shan, Kyrgyzstan)

Abstract: Early Emsian (Zlichovian) ammonoids are recorded from a section of neritic deposits on the western and north-

Cited by 3 publications

References 24 publications

Early Devonian ammonoid faunas in the Zeravshan Mountains (Uzbekistan and Tadjikistan) and the transition from a carbonate platform setting to pelagic sedimentation

Early Devonian ammonoid faunas in the Zeravshan Mountains (Uzbekistan and Tadjikistan) and the transition from a carbonate platform setting to pelagic sedimentation

Increasing knowledge on biodiversity patterns and climate changes in Earth’s history by international cooperation: introduction to the proceedings IGCP 596/SDS Meeting Brussels (2015)

Stratigraphic Characteristic Devon System Of Mountain Kuldzhuktau (South Tian-Shan)

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