| 鲜绍军,罗俊峰,刘玲,蒲庆隆.贵州东部黑色岩系中钒矿层地球化学特征及意义[J].地质找矿论丛,2024,39(4):504-512 |
| 贵州东部黑色岩系中钒矿层地球化学特征及意义 |
| Geochemical characteristics and significance of V deposits in black rock series in east Guizhou province |
| 投稿时间：2024-04-03 |
| DOI：10.6053/j.issn.1001-1412.2024.04.007 |
| 中文关键词: 黑色岩系 钒金属层 微量元素 稀土元素 地球化学特征 贵州 |
| 英文关键词:Black rock series V-ore bed trace element REE geological characteristics Guizhou province |
| 基金项目:贵州省新一轮找矿突破战略行动地勘基金项目(黔自然资函[2022]632 号)资助。 |
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| 中文摘要: |
| 为探讨贵州东部黑色岩系中钒金属矿层形成的沉积环境与成矿作用,对典型矿床矿层及顶底页岩样品采用电感耦合等离子质谱仪进行系统的微量元素、稀土元素分析测试。结果表明:钒多金属含矿层沉积环境为缺氧的还原环境,受热水作用影响,钒矿层在海平面上升的情况下形成,是在正常成岩过程中叠加的一次成矿作用,与海底热液活动和海水深度密切相关。钒金属矿层与顶底页岩在成岩作用、后生作用甚至表生作用中元素迁移等复杂的元素重新分配上密切一致。 |
| 英文摘要: |
| This paper deals with sedimentary environment and ore-forming process of V deposits in black rock series in east Guizhou province. Samples are collected systematically from shale of hanging wall and foot wall of V ore layers and analyzed REE and trace elements with inductively coupled plasma mass spectrometry. The result shows that the V-polymettal-bearing beds are deposited under anxic reducing enbironment and V ore bed is formed during rising of sea level under influence of hot water. The V mineralization is over printed on normal diagnenesis and is closely related to sub-marine hydrothermal activity and depth of the sea water. V ore bed is very similar to the shale of hanging and foot walls in respect of element migration and redistribution etc. during diagenesis, epegenesis and even supergenesis. |
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