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New Fossil Plant and Insect Records Bearing on Cretaceous Climate of Western Gobi, Mongolia

Received: 30 October 2016     Accepted: 14 December 2016     Published: 22 February 2017
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Abstract

The paper examines new fossil plant and insect findings in the Cretaceous of the western Gobi as a source of climatologic inference. The isophlebiid dragonflies at the base of the Cretaceous sequence witness to an extension of the Late Jurassic climate warming to the earliest Cretaceous. Climatic fluctuations through the late Neocomian – Cenomanian are indicated by a series of paleofloristic events. The allochtonous localities of Phoenicopsis (Czekanowskiales) in the basal members of the Mogotuin Formation, Manlay depression, and Khurendukh Formation, Choyr Basin, are evidence of temperate arboreal vegetation on the bordering basement ridges. A mass occurrence of Otozamites, a thermophilic bennettitalean plant in the upper part of the Mogotuin Formation near its boundary with the redbeds of Manlay Formation heralds a xerothermic trend of climatic evolution. The first appearance of Sequoia at the top of the Barun Bayan redbeds marks reversion of the trend at about the Albian – Cenomanian boundary.

Published in American Journal of Plant Biology (Volume 2, Issue 2)
DOI 10.11648/j.ajpb.20170202.11
Page(s) 43-48
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2017. Published by Science Publishing Group

Keywords

Fossil Flora, Fossil Insects, Paleoecology, Paleoclimatology, Cretaceous, Mongolia

References
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[2] V. A. Vakhrameev, Jurassic and Cretaceous floras and climates of the Earth. Cambridge: Cambridge University Press, 1991, 340 pp.
[3] Y. Khand, D. Badamgarav, Y. Ariunchimeg, and R. Barsbold, “Cretaceous system in Mongolia and its depositional environments,” in Cretaceous environments of Asia, H. Okada and N. J. Mateer, Eds. Amsterdam: Elsevier, 2000, pp. 49–79.
[4] Y. Khand, B. Sames, and E. Schudack, “New ostracod species from the non-marine Cretaceous of Mongolia.” Revista Espanola de Micropaleontologia, vol. 39, pp. 71–80, 2007.
[5] R. Barsbold, “Introduction.” in: IGSP 507 Fieldtrip on Cretaceous non-marine sediments and dinosaur localities in Ulaan Nuur depression, South Mongolia. Guidebook. South Gobi, Mongolia, R. Barsbold, Ed. Ulaanbaatar: Paleontological Center, Mongolian Academy of Science, 2008, pp. 4–7.
[6] R. Barsbold, and Y. Khand, “The non-marine Cretaceous of Mongolia.” in Paleoclimates in Asia during the Cretaceous. 3rd International Symposium of the IGCP Project 507, Abstarct Volume, Y. A. Ariunchimeg and Y. Khand, Eds. Ulaanbaatar: Palentological Center, Mongolian Academy of Science, 2008, pp. 13–16.
[7] N. S. Kalugina, Ed., “The Early Cretaceous Lake Manlay.” Transactions of the Loint Soviet–Mongolian Paleontological Expedition, vol. 13, pp. 1–93, Moscow: Nauka, 1980. (in Russian).
[8] M. Ito, M. Matsukawa, S. Saito, and D. J. Nichols, “Facies architecture and paleohydrology of a synrift succession in the Lower Cretaceous Choyr Basin, souseastern Mongolia.” Cretaceous Research, vol. 27, pp. 226–240, 2006.
[9] V. A. Krassilov, “Early Cretaceous flora of Mongolia.” Palaeontographica, vol. 181B, pp. 1–43, 1982.
[10] H. Jännichen, and E. Kahlert, “Über eine mesozoische Flora aus Mongolischen Volksrepublik.” Geologie, vol. 21, pp. 964–1001, 1972.
[11] K. Saiki, and A. Okubo, “Lower Cretaceous flora of the Choyr Basin, Mongolia.” Cretaceous Research, vol. 27, pp. 252–261, 2006.
[12] A. G. Ponomarenko, and Ju. A. Popov, “Localities of insect fossils in the Mongolian People Republik.” in Paleontology and Stratigraphy of Mongolia. N. N. Kramarenko, Ed. Transactions of the Loint Soviet–Mongolian Paleontological Expedition, vol. 3, pp. 137–144, Moscow: Nauka, 1976. (in Russian).
[13] L. N. Pritykina, “New dragonflies from Lower Cretaceous deposits of Transbaikalia and Mongolia.” in Mezozoic and Cenozoic faunas, floras and biostratigraphy of Mongolia. R. Barsbold, and E. I. Vorobyeva, Eds. Transactions of the Loint Soviet–Mongolian Paleontological Expedition, vol. 4, pp. 81–96, Moscow: Nauka, 1977. (in Russian).
[14] V. A. Krassilov, “Climatic changes in Eastern Asia as indicated by fossil floras. 1. Early Cretaceous.” Palaeogeography, Palaeoclimatology, Palaeoecology, vol. 13, pp. 261–273, 1973.
[15] D. J. Nichols, M. Matsukawa, and M. Ito, “Palynology and age of some Cretaceous nonmarine deposits in Mongolia and China.” Cretaceous Research, vol. 27, pp. 241–251, 2006.
[16] R. Florin, “Die fossilen Gingkophyten von Franz-Josef-Land, nebst Erörterunger über vermeintliche Cordaitales mesozoischen Alters. 1. Spezieller Teil.“ Palaeontographica, vol. 81B, pp. 1–173, 1936.
[17] V. A. Krassilov, Terrestrial palaeoecology and global change. Sophia: Pensoft, 2003, 464 pp.
[18] E. V. Bugdaeva, Ye. V. Volynets, V. V. Golozubov, V. S. Markevich, and G. L. Amelchenko, “Flora and geological events of the Mid-Cretaceous time (Alchan Basin, Primorye).” Vladivostok: Dalnauka, 2006, 205 pp. (in Russian).
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  • APA Style

    Valentin Krassilov, Dmitry Vassilenko, Alexandra Sokolova, Sophia Barinova. (2017). New Fossil Plant and Insect Records Bearing on Cretaceous Climate of Western Gobi, Mongolia. American Journal of Plant Biology, 2(2), 43-48. https://doi.org/10.11648/j.ajpb.20170202.11

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    ACS Style

    Valentin Krassilov; Dmitry Vassilenko; Alexandra Sokolova; Sophia Barinova. New Fossil Plant and Insect Records Bearing on Cretaceous Climate of Western Gobi, Mongolia. Am. J. Plant Biol. 2017, 2(2), 43-48. doi: 10.11648/j.ajpb.20170202.11

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    AMA Style

    Valentin Krassilov, Dmitry Vassilenko, Alexandra Sokolova, Sophia Barinova. New Fossil Plant and Insect Records Bearing on Cretaceous Climate of Western Gobi, Mongolia. Am J Plant Biol. 2017;2(2):43-48. doi: 10.11648/j.ajpb.20170202.11

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  • @article{10.11648/j.ajpb.20170202.11,
      author = {Valentin Krassilov and Dmitry Vassilenko and Alexandra Sokolova and Sophia Barinova},
      title = {New Fossil Plant and Insect Records Bearing on Cretaceous Climate of Western Gobi, Mongolia},
      journal = {American Journal of Plant Biology},
      volume = {2},
      number = {2},
      pages = {43-48},
      doi = {10.11648/j.ajpb.20170202.11},
      url = {https://doi.org/10.11648/j.ajpb.20170202.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpb.20170202.11},
      abstract = {The paper examines new fossil plant and insect findings in the Cretaceous of the western Gobi as a source of climatologic inference. The isophlebiid dragonflies at the base of the Cretaceous sequence witness to an extension of the Late Jurassic climate warming to the earliest Cretaceous. Climatic fluctuations through the late Neocomian – Cenomanian are indicated by a series of paleofloristic events. The allochtonous localities of Phoenicopsis (Czekanowskiales) in the basal members of the Mogotuin Formation, Manlay depression, and Khurendukh Formation, Choyr Basin, are evidence of temperate arboreal vegetation on the bordering basement ridges. A mass occurrence of Otozamites, a thermophilic bennettitalean plant in the upper part of the Mogotuin Formation near its boundary with the redbeds of Manlay Formation heralds a xerothermic trend of climatic evolution. The first appearance of Sequoia at the top of the Barun Bayan redbeds marks reversion of the trend at about the Albian – Cenomanian boundary.},
     year = {2017}
    }
    

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    AU  - Valentin Krassilov
    AU  - Dmitry Vassilenko
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    AB  - The paper examines new fossil plant and insect findings in the Cretaceous of the western Gobi as a source of climatologic inference. The isophlebiid dragonflies at the base of the Cretaceous sequence witness to an extension of the Late Jurassic climate warming to the earliest Cretaceous. Climatic fluctuations through the late Neocomian – Cenomanian are indicated by a series of paleofloristic events. The allochtonous localities of Phoenicopsis (Czekanowskiales) in the basal members of the Mogotuin Formation, Manlay depression, and Khurendukh Formation, Choyr Basin, are evidence of temperate arboreal vegetation on the bordering basement ridges. A mass occurrence of Otozamites, a thermophilic bennettitalean plant in the upper part of the Mogotuin Formation near its boundary with the redbeds of Manlay Formation heralds a xerothermic trend of climatic evolution. The first appearance of Sequoia at the top of the Barun Bayan redbeds marks reversion of the trend at about the Albian – Cenomanian boundary.
    VL  - 2
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Author Information
  • Paleontological Institute, Russian Academy of Sciences, Moscow, Russia

  • Paleontological Institute, Russian Academy of Sciences, Moscow, Russia

  • Paleontological Institute, Russian Academy of Sciences, Moscow, Russia

  • Institute of Evolution, University of Haifa, Mount Carmel, Haifa, Israel

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