CAJ | 학술논문

珠江口底质常、微量元素分析结果表明,富含Si、A1、K、Mg、Fe和Ti等元素的陆源物质构成本区沉积物主体,主要元素氧化物平均含量分别为SiO_261.16%,Al_2O_314.74%,Fe_2O_35.72%,TiO_20.88%,MgO1.84%,K_2O2.63%,CaO_2.70%,CaCO_34.79%.底质元素含量与沉积物粒度组成关系密切,主要元素AL_2O_3、MgO、Fe_2o_3、TiO_2以及微量元素Cu、Pb、Zn、Cr、V、Co、Ni、Ba在西北部近岸区以及伶仃洋中部细颗粒沉积区内富集;而SiO_2、CaO、Zr、Sr则在西南部和东南部粗颗粒沉积区富集.控制本区沉积物地球化学特征的因素主要有物质来源、沉积环境、水动力条件、沉积物粒度、矿物组成以及元素自身地球化学性质等.
주강구저질상、미량원소분석결과표명,부함Si、A1、K、Mg、Fe화Ti등원소적륙원물질구성본구침적물주체,주요원소양화물평균함량분별위SiO_261.16%,Al_2O_314.74%,Fe_2O_35.72%,TiO_20.88%,MgO1.84%,K_2O2.63%,CaO_2.70%,CaCO_34.79%.저질원소함량여침적물립도조성관계밀절,주요원소AL_2O_3、MgO、Fe_2o_3、TiO_2이급미량원소Cu、Pb、Zn、Cr、V、Co、Ni、Ba재서북부근안구이급령정양중부세과립침적구내부집;이SiO_2、CaO、Zr、Sr칙재서남부화동남부조과립침적구부집.공제본구침적물지구화학특정적인소주요유물질래원、침적배경、수동력조건、침적물립도、광물조성이급원소자신지구화학성질등.
The analysis results of constant elements and trace elements in the surface sediments indicate that ome terrigenous materials rich in Si,AL,K,Mg,Fe,Ti are the main components of the sediments in the Pearl River Estuary.The average levels of the main elements of oxides are SiO_2 61.16%,Al_2O_3 14.74%,Fe_2O_3 5.72%,TiO_2 0.88%,MgO 1.84%,K_2O 2.63%,CaO 2.70%,and CaCO_3 4.79%.Element content and particle size are closely related,with the main elements of Al_2O_3,MgO,Fe_2O_3,TiO_2,as well as trace elements Cu,Pb,Zn,Cr,V,Co,Ni,Ba,in the northwestern coastal area and central Lingdingyang fine-grained sediment areas,of SiO_2,CaO,Zr,Sr in the southwestern and southeastern district coarse sediment enrichment.The main factors that control the geochemical characteristics of sediments in this area are the source material.sedimentary environment,hydrodynamic conditions,sediment particle size,mineral composition and geochemical nature of the elements themselves.