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Geochemical Characteristics of Sinian Manganese Deposits in China
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Abstract Sinian is one of the main periods of the formation of manganese deposits in China. Sinian manganese deposits are mainly hosted in carbon‐rich black shale and siliceous shale formed during the Sinian interglacial period. The composition of manganese ore is simple. The main ore mineral is manganiferous carbonates. The grade of manganese ore is about 16–25%, with Mn/Fe>5 and P/Mn=0.006‐0.14. Based on the tectonic setting and geological and geochemical characteristics of manganese deposits, this paper discusses the process of migration and concentration of manganese and ore‐forming conditions of Sinian manganese deposits in China.
Title: Geochemical Characteristics of Sinian Manganese Deposits in China
Description:
Abstract Sinian is one of the main periods of the formation of manganese deposits in China.
Sinian manganese deposits are mainly hosted in carbon‐rich black shale and siliceous shale formed during the Sinian interglacial period.
The composition of manganese ore is simple.
The main ore mineral is manganiferous carbonates.
The grade of manganese ore is about 16–25%, with Mn/Fe>5 and P/Mn=0.
006‐0.
14.
Based on the tectonic setting and geological and geochemical characteristics of manganese deposits, this paper discusses the process of migration and concentration of manganese and ore‐forming conditions of Sinian manganese deposits in China.
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