weathering crust

常見(jiàn)例句

During Tertiary period, the secondary enrichment happened to the gold in weathering crust of planation surface.
在第三紀(jì)，夷平面上的風(fēng)化殼中的金經(jīng)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.
本文總結(jié)提出了碳酸鹽巖風(fēng)化殼成因證據(jù)及其演化特點(diǎn)，對(duì)風(fēng)化殼紅土成因進(jìn)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.
抗侵蝕性較弱的地面組成物質(zhì)，特別是花崗巖和紫色巖風(fēng)化殼及其土壤，是造成土壤侵蝕特別嚴(yán)重的內(nèi)在原因；