Crystallization Sequence and Origin of the Fe-Ti-V Oxide Ores from the Piqiang Layered Intrusion in the Tarim large Igneous Province, NW China
详细信息
- 责任者：Xing Changming (Key Laboratory of Mineralogy and Metallogeny ; Guangzhou Institute of Geochemistry ; Chinese Academy of Sciences ; Guangzhou 510640 ; China) ; Wang Yan
- 刊名：Earth Science Frontiers
- 出版年：2013
- 卷期：20(4)
- 关键词：钒钛磁铁矿 ; vanadiferous ; 大火成岩省 ; large igneous provinces ; 塔里木盆地 ; Tarim Basin
- 页码：p.285-298
- 图表：illus., 67 refs.
- 分类号：1001
- issnNo：ISSN1005-2321
- isbnNo：CN11-3370/P
摘要
The ~276 Ma Piqiang layered intrusion,located at the western margin of the Tarim Block,is a part of the Permian Tarim large igneous province.The intrusion mainly consists of gabbro and hosts a giant Fe-Ti-V oxide deposit.The inferred crystallization sequence based on textures and mineral compositions is clinopyroxene+plagioclase → magnetite+ilmenite.Magnetite contains 0.49%-0.97% V2O3,consistent with a relative low oxygen fugacity(
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