Several stone artifacts and some mammalian fossils were recovered in 1963 in the sandy gravels under the Malan Loess at Dabeigou. Qianxian in Shaanxi.
石制品八件，发现于陕西乾县大北沟黄土之下砂砾粘土层中，和更新世晚期的哺乳类化石伴存。
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.
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 physical, mechanical and hydrogical properties of Malan loess had been tested by different methods both in the field and laboratory of Lanzhou city and of Europe.
采用不同的原位及室内测试方法，分别在兰州和欧洲两地对兰州地区马兰黄土的物理、力学及水理性质进行了系统测试。
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