THE CHENGTU CLAYS—DEPOSITS OF POSSIBLE LOESSIAL ORIGIN IN WESTERN AND NORTHWESTERN SZECHUAN BASIN*
THE CHENGTU CLAYS—DEPOSITS OF POSSIBLE LOESSIAL ORIGIN IN WESTERN AND NORTHWESTERN SZECHUAN BASIN*
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DOI：
10.1111/j.1755-6724.1936.mp15002007.x
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发表时间：
2009-05
期刊：
影响因子：
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通讯作者：
J. Thorp;D. Dye
中科院分区：
文献类型：
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作者：
J. Thorp;D. Dye
Heim和Bowles（2）[1]描述了黄土沉积物出现在山谷中和大剑路西北部的高原上，在通常被称为西藏边境的地区;但据我们所知，没有人报道四川盆地内有任何黄土材料。我们还没有准备好完全有把握地报告这些矿床，但是我们收集到的资料似乎有力地表明它们存在，而且它们间歇地分布在盆地的西部和西北部的广大地区。1935年秋天，我们花了几天时间一起研究这些矿床。染料以前观察他们在一些地方在一段时间的许多年，并一直困惑于解释他们可能的起源。因此，我们特别从现代土壤学的角度对它们进行了研究，以期找到--
Heim and Bowles (2) 1 have described the occurrence of loessial deposits in the mountain valleys and on the high plateaus northwèst of Tachienlu, in the region commonly known as the Tibetan Borderland; but so far as we know, no-one has, reported any loessial material within the Szechuan Basin proper. W are not yet prepared to report such deposits with complete assurance, but we have collected data which seem to us strongly indicative that they exist and that they are distributed intermittently over a wide area in the western and northwestern parts of the Basin.During the autumn of 1935 we spent a few days studying these deposits together. Dye had previously observed them in a number of places over a period of many years, and had been puzzled as to the explanation of their probable origin. We therefore made a special effort to study them in the light of modern soil science with the hope of find-