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  • Modern alluvial plain (Hongliu Bay)
    Modern alluvial plain (Hongliu Bay)2019-04-18

    Located east of the Yardang and formed by alluviation, the flat plain measures 3,500m from east to west, and 500m from north to south. Due to seasonal water flow, the plain is covered with red willows; hence, its name Hongliu (meaning red w...

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  • Mud cracks
    Mud cracks2019-04-18

    These cracks developed on the mud layer of the yardangs. The irregular-polygon shaped mud cracks develop vertically, forming a “V” shape and were filled with overlying substances. They reflect a lakeside environment....

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  • Fluvial Erosion surface
    Fluvial Erosion surface2019-04-18

    This is a large fluvialerosion surface in a yardang gravel bed. Intra-formational boulder clay developed at the bottom of the cambered erosion surface. The boulder clays are poorly sorted, mostly angular, with a maximum grain size of 10cm....

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  • Beddings
    Beddings2019-04-18

    This developed in the sand and mud layers of the yardangs, with a lamina thickness of 2-10 mm. It provides a record of the environment at the time the materials that make up the yardangs were formed....

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