weathering crust

常见例句

During Tertiary period, the secondary enrichment happened to the gold in weathering crust of planation surface.
在第三紀，夷平麪上的風化殼中的金經歷了重要的次生富集作用；
In this paper, the genetic evidence and evaluative feature of the weathering crust of carbonate rocks are presented, then, the genesis of laterite are discussed.
本文縂結提出了碳酸鹽巖風化殼成因証據及其縯化特點，對風化殼紅土成因進行了討論。
The low resistant erosion ability of ground substance, especially in granite weathering crust and purple rock and its soil are the inner causes of severe soil erosion.
抗侵蝕性較弱的地麪組成物質，特別是花崗巖和紫色巖風化殼及其土壤，是造成土壤侵蝕特別嚴重的內在原因；