Palynological assemblage and geological age of Northern Eldev (Alag togoo) coal deposit, Dornogovi province, Mongolia

Authors

  • Purevsuren Sukhbat Institute of Paleontology, Mongolian Academy of Sciences, P.O.B 46/650, S. Danzan Street 3/1, 4th khoroo, Chingeltei dis trict, Ulaanbaatar – 15160, Mongolia
  • Ichinnorov Niiden Institute of Paleontology, Mongolian Academy of Sciences, P.O.B 46/650, S. Danzan Street 3/1, 4th khoroo, Chingeltei dis trict, Ulaanbaatar – 15160, Mongolia

Keywords:

Jurassic, Bajocian, Bathonian, palynozone, spore, pollen, Baculatisporites, Equisetites

Abstract

The present paper focuses on the Middle Jurassic coal bearing sediments, which yields 6 palynological assemblages. Palynology 7 samples from the North Eldev opencast mine Choir Nyalga basin in the Eastern Mongolia have been analized for palynomorphs with optical Microscope (Nikon Eclipse-E600Pol). The assemblages are mostly dominated by spores such as Osmundacidites, Baculatisporites, Lycopodiumsporites, Microreticulatisporites, Cyathidites. Only two palynoassemblages (II and V) abundant by gymnosperm pollen such as, Protopinus, Pseudopinus, Piceapollenites, Quadraculina and Cycadopites. Coniferus pollen Pinuspollenites, Cedripidites are rare. According to the palynoassembleges the age of coal bearing sediments is middle Jurassic (Bajocian-Bathonian). The paleoclimate was warm and humid.

Хойд элдэвийн (Алаг тогоо, Дорноговь) нүүрсний ордын палинологийн цогцолборууд ба насны үндэслэл

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Published

2024-12-30

How to Cite

Palynological assemblage and geological age of Northern Eldev (Alag togoo) coal deposit, Dornogovi province, Mongolia. (2024). Mongolian Journal of Paleontology, 5(1), 15-24. https://doi.org/10.5564/mjp.v5i1.4589

Issue

Vol. 5 No. 1 (2024)

Section

Articles

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Copyright (c) 2024 Purevsuren Sukhbat, Ichinnorov Niiden

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How to Cite

Palynological assemblage and geological age of Northern Eldev (Alag togoo) coal deposit, Dornogovi province, Mongolia. (2024). Mongolian Journal of Paleontology, 5(1), 15-24. https://doi.org/10.5564/mjp.v5i1.4589