峨眉山大火成岩省钒钛磁铁矿矿床成因研究进展
Progresses of studies on the genesis of Fe-Ti oxide deposits in the Emeishan Large Igneous Province
查看参考文献107篇
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文摘
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钒钛磁铁矿矿床主要赋存于与大火成岩省相关的镁铁-超镁铁层状岩体中,虽然全球大火成岩省形成的镁铁-超镁铁层状岩体众多,但大规模的钒钛磁铁矿成矿作用并不常见。峨眉山大火成岩省内带的攀西地区赋存有数个超大型钒钛磁铁矿矿床,是全球最大的钒钛磁铁矿矿集区。钒钛磁铁矿大规模的成矿与母岩浆成分和磁铁矿的成因机制密切相关。此外,形成巨厚的钒钛磁铁矿矿层还需要高效的富集机制。本文系统总结了上述几个方面的研究进展,分析了导致钒钛磁铁矿大规模成矿的主要控制因素,指出钒钛磁铁矿矿床下一步研究值得关注的问题。 |
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其他语种文摘
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Fe-Ti oxide deposits are mainly hosted in mafic-ultramafic layered intrusions associated with Large Igneous Provinces(LIPs). Although there are many mafic-ultramafic layered intrusions formed in large igneous provinces around the world, the largescale Fe-Ti oxide mineralization occurred in those intrusions is not common. Several layered mafic-ultramafic intrusions in the Panzhihua-Xichang region, located in the inner zone of the Emeishan LIP(ELIP), hosted several world-class Fe-Ti oxide deposits, making the Panzhihua-Xichang area to be the largest Fe-Ti ore province in the world. The large-scale mineralization of Fe-Ti oxides is closely related to the composition of parent magma and the enrichment mechanism of Fe-Ti oxides. Furthermore, a very effective enrichment mechanism is needed to explain how such thick Fe-Ti oxide layers were formed in these intrusions. In this paper, we have systematically reviewed recent advances of researches in the aforementioned areas, have analyzed the critical factors controlling the large-scale mineralization of Fe-Ti oxides, and have pointed out some remaining issues that should be addressed in future researches. |
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来源
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矿物岩石地球化学通报
,2024,43(2):292-305 【核心库】
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DOI
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10.19658/j.issn.1007-2802.2023.42.101
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关键词
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峨眉山大火成岩省
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钒钛磁铁矿矿床
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关键控制因素
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母岩浆成分
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地址
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中国科学院地球化学研究所, 矿床地球化学国家重点实验室, 贵阳, 550081
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语种
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中文 |
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文献类型
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综述型 |
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ISSN
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1007-2802 |
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学科
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地质学 |
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基金
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国家自然科学基金
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文献收藏号
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CSCD:7741813
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