Correlation of upper Bajocian-Bathonian zones in Siberia with the stage standard

Meledina, S. V.; Nalnyaeva, T. I.; Шурыгин, Б. Н.

doi:10.1134/s0869593809030058

Cited by 8 publications

(6 citation statements)

References 1 publication

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“…In addition, the age of belemnites from the Sokur Quarry is considerably older that the range of P. subrediviva, which appears in the Boreal Jurassic sections in the Upper Bathonian (meLedina et al 1998;dzyuba 2004;Shurygin et al 2000Shurygin et al , 2011. However, some P. optima rostra from the Sokur Quarry differ from typical representatives of P. Problems of generic assignment of rostra to Nannobelus were previously discussed in detail (barSkov in mitta et al 2004(barSkov in mitta et al , 2011naLnjaeva in meLedina et al 2009). These are small, short and robust, conical rostra with an acute apex.…”

Section: Lithological and Palaeontological Characteristics Of The Sokmentioning

confidence: 98%

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Biostratigraphy and sedimentary settings of the Upper Bajocian-Lower Bathonian in the vicinity of Saratov (Central Russia)

Митта¹,

Kostyleva²,

Dzyuba³

et al. 2014

njgpa

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This paper presents the results of a detailed study of the Bajocian-Bathonian sections in the "Sokur" Quarry near the city of Saratov and of a borehole drilled in the same quarry. The study of these Bajocian-Bathonian boundary beds, unique for the Boreal-Tethyan ecotone, offers a solution to the much-debated problem of the Middle Jurassic Boreal-Tethyan correlation. The Bajocian-Bathonian boundary beds of this section contain both Peri-Tethyan and Boreal ammonite species, allowing recognition of the Boreal ammonite zones and associated "Boreal" Bathonian zones based on belemnites, bivalves, and foraminifers. This integrated biostratigraphy allows correlation of the Late Bajocian-Early Bathonian boundary interval of the Boreal Jurassic scale with the Submediterranean standard scale.E eschweizerbart_xxx 96 V. Mitta et al.

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Section: Lithological and Palaeontological Characteristics Of The Sokmentioning

confidence: 98%

“…naLnjaeva, and B.N. Shurygin (meLedina et al 2009) began a new stage in these studies. This paper critically discussed material and data published in previous articles and contested some previous biostratigraphic conclusions.…”

Section: Historical Backgroundmentioning

confidence: 99%

Biostratigraphy and sedimentary settings of the Upper Bajocian-Lower Bathonian in the vicinity of Saratov (Central Russia)

Митта¹,

Kostyleva²,

Dzyuba³

et al. 2014

njgpa

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“…S.V. Meledina et al (2009) recommended to make no hurried changes in Jurassic stratigraphic chart of Siberia.…”

Section: Ammonite Zonal Scalementioning

confidence: 98%

Jurassic and Cretaceous stratigraphy of the Anabar area (Arctic Siberia, Laptev Sea coast) and the Boreal zonal standard

Nikitenko

Шурыгин

Knyazev

et al. 2013

Russian Geology and Geophysics

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Recent integrated studies of Mesozoic reference sections of the Anabar area (northern Middle Siberia, Laptev Sea coast) and the reinterpretation of all the previous data on a modern stratigraphic basis permit considerable improvement of the bio-and lithostratigraphic division and facies zoning of Jurassic and Cretaceous sediments in the region. Analysis of abundant paleontological data allows the development or considerable improvement of zonal scales for ammonites, belemnites, bivalves, foraminifers, ostracods, dinocysts, and terrestrial palynomorphs from several Jurassic and Cretaceous intervals. All the zonal scales have been calibrated against one another and against regional ammonite scale. Reference levels of different scales useful for interregional correlation have been defined and substantiated based on the analysis of lateral distribution of fossils in different regions of the Northern Hemisphere. It provides the possibilities to propose and consider parallel zonal scales within the Boreal zonal standard for the Jurassic and Cretaceous periods. A combination of these scales forms an integrated biostratigraphic basis for a detailed division of Boreal-type sediments regardless of the place of their formation and for the comparison with the international stratigraphic standard as far as a possible use of a set of reference levels for correlation.

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“…Euricephalitinae belonging to Umaltites (= Megasphaeroceras in Westermann, 1992) and Loucheuxia occur at the Upper Bajocian and Lower Bathonian, respectively, in the Far East of Russia (Sey et al, 2004). Upper Bajocian Cranocephalites have been recognized in North-East Russia, below Bathonian Arctocephalites (Sey et al, 1992;Meledina et al, 2009). The Boreal Realm (Eastern Greenland, Barents Sea, Pechora Basin, Northern Siberia, Northeastern Russia, Northern Alaska and Northern Canada) became clearly differentiated in the Late Bajocian and several zonations for the Early Bathonian have been proposed.…”

Section: Figure 12 Ammonite Zones and Subzones Of The Uppermost Bajocian And Lower Bathonian In Different Palaeobiogeographical Provincesmentioning

confidence: 99%

“…The lowest three Boreal zones (Borealis, Indistinctus and Pompeckji) are Upper Bajocian at the ESE of Shetlands (Callomon, 2003). The Zone of Arctocephalites arcticus (Newton and Teall), above the Zone of Cranocephalites pompeckji (Madsen), may represent the basal Bathonian zone in the Boreal Realm (Callomon, 1993(Callomon, , 1994(Callomon, , 2003Meledina, 1994;Zakharov et al, 1998;Mitta 2006Mitta , 2009Repin et al, 2006Repin et al, , 2007Meledina et al, 2009). The Zone of Arctocephalites spathi from northern Yukon probably is coeval with the Boreal Articus Zone of Eastern Greenland (Poulton, 1987).…”

Section: Figure 12 Ammonite Zones and Subzones Of The Uppermost Bajocian And Lower Bathonian In Different Palaeobiogeographical Provincesmentioning

confidence: 99%

The Global Boundary Stratotype Section and Point (GSSP) for base of the Bathonian Stage (Middle Jurassic), Ravin du Bès Section, SE France

Fernández-López¹,

Pavia²,

Erba³

et al. 2009

Episodes

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Correlation of upper Bajocian-Bathonian zones in Siberia with the stage standard

Cited by 8 publications

References 1 publication

Biostratigraphy and sedimentary settings of the Upper Bajocian-Lower Bathonian in the vicinity of Saratov (Central Russia)

Biostratigraphy and sedimentary settings of the Upper Bajocian-Lower Bathonian in the vicinity of Saratov (Central Russia)

Jurassic and Cretaceous stratigraphy of the Anabar area (Arctic Siberia, Laptev Sea coast) and the Boreal zonal standard

The Global Boundary Stratotype Section and Point (GSSP) for base of the Bathonian Stage (Middle Jurassic), Ravin du Bès Section, SE France

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