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20世纪80年代末一个深秋,我和高振西先生在北京西山招待所开会。晚饭后出去散步,高先生用手杖指着不到两米高的黄土坎向我介绍:“这就是马兰黄土。”没有顶,没有底。在给中学地理老师讲课时,也有许多教师提问:“马兰黄土标准剖面在哪里?是什么样的?”我也不太清楚。十几年过去了,马兰黄土一直装在我心中,未抽出时间去解开这个谜团。前几天,由北京地质研究所王
One late autumn in the late 1980s, I met Mr. Gao Zhenxi at the Xishan Guest House in Beijing. Go out for a walk after dinner, Mr. Gao with a cane pointing less than two meters high loess ridge introduced to me: “This is the Malan loess. ” No top, no bottom. When teaching middle school geography teachers, many teachers also asked: “What is the standard section of Malan loess? What is it like?” "I’m not sure either. Ten years later, Malan loess has been installed in my heart, did not take the time to solve this mystery. A few days ago, by the Beijing Institute of Geology Wang