Abstract

The Precambrian iron formation is related to the evolution of the earth's environment and is an important record of the evolution of ancient ocean, ancient environment and atmospheric conditions. The Wuzhiling Formation iron formation at the Songshan boundary is one of the newly identified granular iron formations (GIF). Through the study of mineral characteristics and mineral morphology of iron formation in Wuzhiling Formation, it is found that its material source may be hydrothermal fluid; the original sediments may be hematite particles and 'green rust'.

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