The later period of karst corrosion deposit experienced lateritization, had accomplished the red clay basic characteristic.
岩溶残余堆积物后期又经历红土化作用，造就了红粘土的基本特征。
The lateritization and other similar agents accompanied by Tertiary peneplanation enrich the trace amount of gold in basement rocks to a commercially significant extent.
与第三纪时期准平原化相伴的红土化、类红土化作用，使基岩中的微量金富集到具有经济价值的程度。
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