铝土矿床与风化壳的关系在已知铝土矿区,根据可能作为铝土矿物质来源的风化壳将全部铝土矿床分成两大类,即红土型铝土矿床和多因复成矿床。与风化壳有密切成因联系的红土型铝土矿床是红土风化壳形成的产物;而多因复成矿床既有红土型铝土矿,又有再沉积(沉积)铝土矿。而且在具有沉积矿床的铝土矿区中,一般未发现铝土矿同红土风化壳或其他化学改造作用成熟的风化壳之间有密切的成因联系。在沉积矿床四周常常缺乏风化壳,而在沉积铝土矿床形成时曾存在 RELATIONSHIP BETWEEN Bauxite Beds and Weathering Shells In the known bauxite area, all bauxite beds are divided into two broad categories based on weathering shells that may be sources of bauxite, namely, laterite-type bauxite beds and multi-cause Mineralized bed. The lateritic weathering crust is closely related to the weathered crust. The laterite weathering crust is the product of the formation of lateritic weathering crusts. The multifold complex ore deposit is composed of laterite-type bauxite and redeposited (sedimentary) bauxite. Furthermore, in the bauxite area with sedimentary deposits, it is not generally found that there is a close genetic relationship between bauxite and weathering crusts or other weathering crusts that have been chemically modified. Weathering crusts are often absent around the sedimentary deposit and were present at the time of the deposition of the bauxite deposit