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xiang xi nan qu yang hua meng kuang cheng kuang gui lv ji zhao kuang fang xiang
Author(s): 
Pages: 18-21
Year: Issue:  3
Journal: Hunan Geology

Keyword:  manganese oxidemineralizationpotential area for manganese searchingLower Sinian System;
Abstract: Ores of manganese oxide in Southwest Hunan exist mainly in manganese stain.The strata in which ores occur are Xiangmeng formation of Lower Sinian System,being characterized by plenty of ore spots and a wide distribution of them.Grade of manganese is generally poor at the surface but it commences to get rich from 3~7 m below the surface.Depth of oxidation may reach to about 40 m.
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