黔东南地区南华纪锰矿地质地球化学特征

Geology and Exploration(2013)

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Abstract
通过黔东南地区南华纪锰矿成矿地质背景及沉积矿物特征、微量元素及C、O同位素地球化学特征的研究,认为黔东南地区南华系锰矿成矿物质主要来源地壳深部,主要与火山作用及喷气作用有关,沉积成锰盆地受同生深大断裂带的控制,成锰早期构造与热液活动强烈,矿石矿物有热水成矿的痕迹,矿体下部纹层状锰矿有热水成矿的特征,但根据含锰岩系微量元素比值、C、O同位素地球化学特征,分析认为区内锰矿沉积成矿作用以化学及生物化学为主。
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Key words
geochemical characteristics,manganese deposit,southeastern Guizhou,Nanhuaian
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