一、问题的提出“山西式”铁矿一词来源已久,对它的成因及所属地质时代问题至今仍有争论。尽管一些学者对它的成因及所属地质时代的认识有所不同,但都认为它是复于中奥陶纪石灰岩之上,伏于中石炭纪G层铝土页岩或其它岩层之下的成层条件较差的褐铁矿或赤铁矿与 First, the issue put forward “Shanxi-style” iron ore source has a long history, its cause and the geology era is still controversial issues. Although some scholars have different understanding of its genesis and geologic age, both of them consider it to be complex above the Ordovician limestone and under the Carboniferous G-layer bauxite shale or other strata Layered limonite or hematite with poor conditions