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    Analysis of the Formation Reasons of Dai Gu Landform in Yimeng Mountains

    来源:daiguadmin(岱崮|岱崮地貌整理发布)   时间:2019-01-08

    Dai Gu landform can be said to be a great spectacle, and Dai Gu landform only exists in Yimeng Mountains。 If you want to see such a peculiar rock landform, you can only see it when you come to Linyi, Damei。 However, many netizens are curious about the reasons for the formation of Dai Gu landform。 Let Xiaobian introduce it below。

    Dai Gu landform is a unique landform in Yimeng area of Shandong Province. According to the most concentrated landform phenomena in Dai Gu town, Mengyin County, Linyi City, Shandong Province, the Chinese Geographic Society officially renamed "Fangshan landform" as "Dai Gu landform" and became the fifth largest rock-shaped landform in China.
    They are mainly distributed in the low mountain and hilly areas of central and southern Shandong Province. The macro level includes seven counties and districts, such as Linyi Yishui, Linyi Mengyin, Linyi Yinan, Zibo Yiyuan, Linyi Pingyi, Linyifei County and Shanting District of Zaozhuang City.
    According to experts, in the Cambrian era between 500 million and 600 million years ago, the Yimeng Mountains are still immersed in the vast ocean, and there are many uplifted mountains on the bottom of the sea. Wind and rain, River swing and other external forces are constantly eroding the mountains, after tens of millions of years, gradually reduced to the plain. When the plain encounters crustal uplift again, it is uplifted again, forming flat-topped mountains, thus entering a new cycle of erosion.
    Dai Gu geomorphology has undergone several stages of evolution since Paleozoic. The Cambrian-Middle Ordovician and Upper Carboniferous-Permian systems retained by Caledonian, Hercynian and Indosinian movements are the basis of Dai Gu geomorphology formation. The faults and joints produced in the late Middle Jurassic-Late Jurassic (162-149.8 Ma), Cretaceous (140-90 Ma) and early Himalayan (65-43 Ma) are the basis of Dai Gu geomorphology formation. Li is Dai Gudi.

    "Gu" is the residue of a new erosion cycle。 This peculiar mountain potential was formed in the Paleozoic Cambrian shallow-sea facies deposits about 500 million years ago, and ended in the Cenozoic Tertiary Himalayan movement about 67 million years ago。

    They have undergone intense crustal cutting and uplifting, and have undergone multiple geological processes such as erosion, dissolution, gravity collapse and weathering over a long period of time. Flat ridge is the relic of Pingdingshan Mountains. The height of ridge can represent the uplift height of ancient plain, implying important information of crustal uplift movement.

    Because of the difference of development stage, the shape of Gu will be different in height, shape and hardness. Although the height is different, it mainly concentrates between 400 and 600 meters above sea level, and the thickness of hard layer varies with the aggregation degree of distribution. The Dai Guzhen area is covered by Cambrian thick limestone, while the famous Meng Lianggu area is covered by hard granite.

    This article comes from: Langya News Network

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    • Analysis of the Formation Reasons of Dai Gu Landform in Yimeng Mountains

      Analysis of the Formation Reasons of Dai Gu Landform in Yimeng Mountains

      Dai Gu landform can be said to be a great spectacle, and Dai Gu landform only exists in Yimeng Mountains. If you want to see such a peculiar rock landform, you can only see it when you come to...

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      Analysis of the Formation Reasons of Dai Gu Landform in Yimeng Mountains

      Dai Gu landform can be said to be a great spectacle, and Dai Gu landform only exists in Yimeng Mountains. If you want to see such a peculiar rock landform, you can only see it when you come to...
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