| 单颗粒碎屑矿物在海洋沉积物物源分析中的应用* |
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| 引用本文： | 来志庆,刘海青,林霖,韩宗珠,国坤.单颗粒碎屑矿物在海洋沉积物物源分析中的应用*[J].热带海洋学报,2019,38(1):85-95. |
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| 作者姓名： | 来志庆 刘海青 林霖 韩宗珠 国坤 |
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| 作者单位： | 1. 中国海洋大学海洋地球科学学院, 山东 青岛2661002. 中国海洋大学海底科学与探测技术教育部重点实验室, 山东 青岛2661003. 胜利油田石油开发中心有限公司科研所, 山东 东营2570004. 山东科技大学地球科学与工程学院, 山东 青岛266590 |
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| 基金项目： | 山东省自然科学基金项目(ZR2017PD002);国家自然科学基金项目(41376053);中央高校基本科研业务费专项(201751005) |
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| 摘 要： | 单颗粒碎屑矿物可减小源区岩石类型、蚀变过程和程度及搬运与沉积过程对物源信息释读的干扰, 已逐渐成为海洋沉积物物源分析的有力工具, 并取得一定的应用成果。目前, 锆石、石榴石、长石、辉石、角闪石、独居石及磁铁矿等均已被成功用于海洋沉积物物源研究, 并主要利用单矿物主量元素、年代学等方法精确识别物源区地质特征和位置, 但单矿物微量元素、同位素及微区结构及多矿物对比研究的应用尚有不足; 因此, 目前对物源信息的释读难免片面, 物源识别方法和技术也仍未成熟。随着方法的发展和完善, 将可开展诸多深入研究, 如通过锆石、独居石、云母和磷灰石等不同矿物的年代学研究, 示踪研究物源区的时空变化; 通过建立多矿物定量研究模型, 进而定量研究源区蚀变速率和源汇过程中的物质输运通量和过程等。文章总结单颗粒碎屑矿物在物源识别中的应用现状, 并展望其应用前景, 以期引起同行对此研究方法的关注, 进一步促进该方法在海洋沉积物物源分析中的应用和发展。
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| 关 键 词： | 海洋沉积物 单颗粒碎屑矿物 物质来源 研究现状 |
| 收稿时间： | 2018-04-07 |
| 修稿时间： | 2018-09-13 |
Constraints on the marine sediment provenance from single-grain detrital mineral: A review |
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| Zhiqing LAI,Haiqing LIU,Lin LIN,Zongzhu HAN,Kun GUO.Constraints on the marine sediment provenance from single-grain detrital mineral: A review[J].Journal of Tropical Oceanography,2019,38(1):85-95. |
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| Authors: | Zhiqing LAI Haiqing LIU Lin LIN Zongzhu HAN Kun GUO |
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| Institution: | 1. College of Marine Geosciences, Ocean University of China, Qingdao 266100, China2. Key Laboratory of Submarine Geosciences and Prospecting Techniques, Ministry of Education, Qingdao 266100, China3. Petroleum Development Center Co., Ltd of Shengli Oil Field, Dongying 257000, China4. College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China |
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| Abstract: | Single-grained detrital minerals have been powerful tool for evaluating marine sedimentary provenance due to their advance for weakening the influence of rock types and alteration in the source, transportation and sedimentation on extracting provenance information. In recent years, zircon, garnet, feldspar, pyroxene, amphibole, monazite, and magnetite were used for sedimentary provenance discrimination in marine science. Single-grained mineral major elements and chronology were often utilized to accurately identify geological characteristics and location of source area; nonetheless, trace elements, isotopes and micro-textures were not sufficient So far, the evaluation of marine sedimentary provenance was fragmentary, which could be evaded by multi-mineral techniques. Further, in-depth studies should be conducted to trace the temporal-spatial evolution of source location through zircon monazite, mica and apatite geochronometry, to quantify erosion rates of source rocks and material flux from source and sink through a multi-mineral quantitative model. In this review, single-grained techniques of minerals in marine provenance research were summarized, and prospects are highlighted to carry out better studies on provenance discrimination of marine sediments. |
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| Keywords: | marine sediment single-grain detrital mineral provenance research status |
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