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从太古代到燕山期,我国均有规模较大的铁矿床形成。近年来,许多单位对不同类型的铁矿床进行了同位素地质年代学研究,并积累了一批同位素地质年龄数据。本文以全国年龄数据汇编为基础,参考一些兄弟单位的研究成果,对我国部分铁矿床的形成时代作初步归纳和分析。矿床的形成往往是多期次、多阶段长期演化的结果,因此一般不能用单时间的观点
From the Archean to the Yanshan Period, China has a large iron ore formation. In recent years, many units have conducted isotopic geochronological studies on different types of iron deposits and have accumulated a number of isotopic geologic age data. Based on the compilation of the national age data, with reference to the research results of some fraternal units, this paper gives a preliminary summary and analysis of the formation times of some iron ore deposits in China. The formation of the deposit is often the result of multi-period, multi-stage long-term evolution, so generally can not use the single time point of view