那阶地上覆盖着青草。
普遍覆盖在上述黄土上部及河谷阶地地带上更新世q 3的马兰黄土及全新世q 4下部的次生黄土，称之为新黄土。
The universal cover takes to bring with pleistocene epoch Q3 on the above loess and the valley terrace the Malan loess and lower part the brand-new world Q4 secondary loess, calls it the new loess.
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