ON THE LOWER CAMBRIAN KHASAGTIAN GROUP OF THE ICHNOFOSSILS AND SOFT- BODIED FAUNA OF THE ZAVKHAN PHOSPHATE BASIN IN WEST MONGOLIA (18-30)

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Дата публикации статьи в журнале: 2019/10/11
Название журнала: Восточно Европейский Научный Журнал, Выпуск: 49, Том: 3, Страницы в выпуске: 18-30
Автор: Dorjnamjaa D.
Ulaanbaatar, Institute of Paleontology and Geology, Mongolian Academy of Sciences,
Автор: Voinkov D.M.
Moscow , VNIIGeosystem,
Автор: Altanshagai G.
Ulaanbaatar, Institute of Paleontology and Geology, Mongolian Academy of Sciences,
Анотация: This presentation considers deals with biostratigraphic peculiarities of the Zavkhan phosphate basin by example of the Tsagaanolom shelfy trough. The Tsagaanolom trough was formed a large shelfy basin that is located in the western part of the Khangai intraplate orocline geostructure and existed during Late Neoproterozoic to Early Cambrian times.This phosphate shelfy trough is important to Late Precambrian - Cambrian geology and paleontology because the stratigraphic sections of the Maikhanuul (diamictite), Tsagaanolom (carbonate), Bayangol (terrigenous) and Salanygol (carbonate-terrigenous) formations are thick, relatively complete, well exposed and particularly correlatable with classical sections of the Siberian platform. Also important is the fact that the sections contain a combination of stratigraphic features seldom found elsewhere over this interval in a single region: diamictites, bacterial fossils, trace fossils, small shelly fossils, soft-bodied fossils, sponge spicules, archaeocyaths and calcimicrobes, abundant carbonates for carbon and strontium isotope stratigraphy, and good potential for sequence stratigraphy
Ключевые слова: Bayangol section   Ediacarian-Lower Cambrian boundary   Bacterial fossils   Trace fossils   Softbodied fossils   Small shelly fossils   
Данные для цитирования: Dorjnamjaa D., Voinkov D.M., Altanshagai G. . ON THE LOWER CAMBRIAN KHASAGTIAN GROUP OF THE ICHNOFOSSILS AND SOFT- BODIED FAUNA OF THE ZAVKHAN PHOSPHATE BASIN IN WEST MONGOLIA (18-30). Восточно Европейский Научный Журнал. Науки о Земле. 2019/10/11; 49(3):18-30.

Список литературы: Brasier, M. D., Dorjnamjaa, D., Lindsay, J. F., 1996. The Neoproterozoic to early Cambrian in southwest Mongolia: an introduction. Geological Magazine 133,365–369. Bromley, R. G., 1990. Trace Fossils: Biology and Taphonomy. London: Unwin Hyman, Google Scholar, 280 p. Commission on Stratigraphy, International Chronostratigraphic Chart, 2012, http://www. stratigraphy. org /column.php?id. Dorjnamjaa, D., Bat-Ireedui, Ya., 1991. The Precambrian geology of Mongolia. Ulaanbaatar, 182 p (in Russian). Dorjnamjaa, D., Bat-Ireedui, Ya., Dashdavaa, Z., Soyolmaa, D., 1993. Precambrian - Cambrian geology of the Dzavkhan zone, Khasagt-Khayrhan ridge, GobiAltay Province, Mongolia. Guidebook for excursion on Precambrian geology , United Kingdom, Oxford, 36 p Dorjnamjaa, D., Soyolmaa, D., 2001. Zavkhan phosphate basin (phosphorus, gold, diamond). Ulaanbaatar, 168 p (in Mongolian). Dorjnamjaa, D., Uranbileg, L., 2004. The new ichnofossil assemblage and soft-bodied fauna from Neoproterozoic III-Early Cambrian strata of Zavkhan phosphate basin in Western Mongolia. Problems of Paleontology in Central Asia. Moscow, pp. 31-32 Dorjnamjaa, D., Goldring, R., 2005. Khasagtian group of an inskeletal fauna from the Zavkhan phosphate basin, Govi-Altay area, western Mongolia. Mongolian Geoscientist, pp. 163-166. Dorjnamjaa, D., Bat-Ireedui,Ya., Enkhbaatar, B., Altanshagai, G., 2016. Precambrian, Cambrian geology and paleontology. Ulaanbaatar, 183 p (in Mongolian). Dorjnamjaa, D., 2016. Neoproterozoic-Cambrian Biostratigraphy of the Ancient Phosphate Basins of Mongolia and the Influence of Bacterial Communities on Phosphorite Accumulation: A Review. International Journal of Agriculture Innovations and Research. Volume 5, Issue 3, ISSN (Online) 2319-1473 Dorjnamjaa, D., Bat-Ireedui, Ya., Altanshagai., G. 2018. Neoproterozoic- Cambrian sediments of theTsagaanolom trough and an issue of an ancient glaciation.Study of Geology, №24, pp.74-86 (in Mongolian). Dorjnamjaa, D., Bat-Ireedui, Ya., Ichinnorov, N., Enkhbaatar, B., Altanshagai, G. 2017.Regional stratigraphy of Mongolia. Ulaanbaatar,267p.Editors Yo. Khand, G. Sersmaa, (in Mongolian). Dorjnamjaa, D., Bat-Ireedui, Ya., Ragozina, A. L., Altanshagai, G. 2018. Bacterial paleontology of Mongolia. Ulaanbaatar, 177p, Editor D.M.Voinkov (in Mongolian). Dorjnamjaa, D., Bat-Ireedui, Ya., Voinkov, D.M., Enkhbaatar, B., Altanshagai, G. 2019. Study of new direction of the Mongolian bacterial paleontology and beginning, perspective of the geomicrobiologic science Prospector, № 60, pp.51-61 (in Mongolian). Drosdova N.A., 1980. Algae in Lower Cambrian organic mounds of the west Mongolia. The joint Soviet- Mongolian paleontological expedition (Transactions ,N 10). Nauka, Moscow, 136 p (in Russian). Esakova N.V., Zhegallo E.A.,1996. Biostratigraphy and fauna of Lower Cambrian of Mongolia. The joint Russian-Mongolian paleontological expedition (Transactions, vol.46).Nauka, Moscow, 213p ( in Russian). Goldring, R., Jensen, S., 1996. Trace fossils and biofabrics at the Precambrian–Cambrian boundary interval in western Mongolia. Geological Magazine 133, 403–415. Ivantsov, A. Yu., Leonov, M. V., 2009. The imprints of Vendian animals-unique paleontological objects of the Arkhangelsk region. Arkhangelsk, 91 p. ISBN 978-5-903625-04-8 (in Russian). Seilacher, A., 1955. Spuren und fazies im Unterkambrium. In Beitrage zur Kenntnis des Kambriums in der Salt Range (Pakistan) (eds Schindewolf, O. H. & Seilacher, A.), pp.373-99. Abhandlungen 10. Mainz: Akademie der Wissenschaften und der Literatur zu Mainz, Mathematisch-Naturwissenschaftliche Klasse. Google Scholar Seilacher, Adolf., Luis A. Buatoisb., M. Gabriela Mbngano., 2005. Palaeogeography, Palaeoclimatology, Palaeoecology. 227 (4): 323–356. doi:10.1016/j.palaeo. Srivastava, Purnima, 2016. "Treptichnus pedum: An Ichnofossil Representing Ediacaran-Cambrian Boundary in the Nagaur Group, the Marwar Supergroup, Rajasthan, India". Proc.Indian Nat. Sci. Acad. 78 (2): 161–169. Vannier, J., Calandra, I., Gaillard, C., Zylinska, A. 2010. "Priapulid worms:Pioneer horizontal burrowers at the Precambrian-Cambrian boundary". Geology. 38 (8): 711- 714. Doi:10.1130/ G30829.1.