红土化作用，是一种风化作用。因为红土化作用通过去钠、钾、钙等易溶物而保硅（Jackson, 1965）；通过去硅而保铁、铝、钛、金、镍等难溶物（Pickering, 1962），能形成铁矿（Nahon, et. al., 1980）、铝土矿（Taylor, et. al., 1992）、钛矿（Hill, et. al., 2000）、镍矿（Basu, 1965-66）、金矿（Evans, 1981）、锰矿（Basu, 1965-66）等矿藏；所以，人类对红土化作用研究较多。
最后讨论了红土化过程小金的表生富集作用。
Supergenous enrichment of gold during the laterization is also discussed.
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。
The lateritization and other similar agents accompanied by Tertiary peneplanation enrich the trace amount of gold in basement rocks to a commercially significant extent.
介绍了一种利用台车连续炉，以红土镍矿为原料，煤粉为还原剂，生产镍铁金属化球团的方法。
This paper introduces a method of producing metallization pellet with laterite nickel ore as raw material and coal as a reductant in car bottom continuous furnace.
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