| Characteristics of Heavy Minerals Composition and Distribution in Jiulong River Estuary Sediment |
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| 作者姓名： | 徐茂泉 李超 许文彬 孙美琴 |
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| 作者单位： | InstituteofSubtropicalOceanography,XiamenUniversity361005 |
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| 基金项目： | The natural science fund of Fujian ( Numbering item: D9910006 ) |
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| 摘 要： | The bottom sediment samples were gathered during island investigation in 1994 and in the period of carrying out the natural science fund project of Fujian in 1999.The composition,distribution and assemblage characteristics of heavy minerals which granularity distributes from 0.063 to 0.125mm in the sediment from Jiulong River estuary are studied in the paper.The results show that there are 49kinds of heavy minerals and the average content of them is 9.38%.The dominant and characteristic minerals are magnetite.hematite,epidote,ilmentite,limonite,homblende,zircon,andalusite,biotite and so on,4mineral assemblage zones(Ⅰ.The watercourse gateway of Jiulong River mineral zone,Ⅱ.The northern estuary of Jiulong River mineral zone,Ⅲ.The southern estuary mineral zone,Ⅳ.The eastern estuary of Jiulong River mineral zone),can be divided based on the heavy mineral contents and the sdistribution characteristics,which not only relates to the matter sources but also is controlled by hydrodynamic condition and the sedimentary environment in the Jiulong River estuary.
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| 关 键 词： | 河口沉积物 九龙河口 分布特征 重矿物 沉积环境 粒度 |
Characteristics of Heavy Minerals Composition and Distribution in Jiulong River Estuary Sediment |
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| XU Maoquan,Li Chap,Xu Wenbin,Sun Meiqin.Characteristics of Heavy Minerals Composition and Distribution in Jiulong River Estuary Sediment[J].Marina Science Bulletin,2003,5(1):75-87. |
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| Authors: | XU Maoquan Li Chap Xu Wenbin Sun Meiqin |
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| Abstract: | The bottom sediment samples were gathered during island investigation in 1994and in the period of carrying out the natural science fund project of Fujian in 1999. The composition, distribution and assemblage characteristics of heavy minerals which granularity distributes from 0.063 to 0. 125 mm in the sediment from Jiulong River estuary are studied in the paper. The results show that there are 49 kinds of heavy minerals and the average content of them is 9.38 %. The dominant and characteristic minerals are magnetite,hematite, epidote, ilmenite, limonite, hornblende, zircon, andalusite, biotite and so on. 4mineral assemblage zones (Ⅰ .The watercourse gateway of Jiulong River mineral zone, Ⅱ.The northern estuary of Jiulong River mineral zone, Ⅲ. The southern estuary mineral zone,Ⅳ. The eastern estuary of Jiulong River mineral zone ), can be divided based on the heavy mineral contents and the distribution characteristics, which not only relates to the matter sources but also is controlled by hydrodynamic condition and the sedimentary environment in the Jiulong River estuary. |
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| Keywords: | Jiulong River estuary heavy mineral distribution characteristics mineral assemblage sedimentary environment |
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