How wind sculpted Earth's largest dust deposit

China's Loess Plateau was formed by wind alternately depositing dust or removing dust over the last 2.6 million years. The new study is the first to explain how the steep-fronted plateau formed: wind blew dust from what is now the Mu Us Desert into the huge pile of consolidated dust known as the Loess Plateau. The plateau is the size of the state of Arizona.

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