CAJ | 학술논문

　　为了资源、环境和港口建设的需要，对取自铁山港海域68个表层沉积物样品进行了系统的矿物鉴定和统计，结果表明：沉积物中矿物种类丰富，其中轻矿物以石英为主；重矿物以电气石、锆石、钛铁矿的高含量为特征，褐铁矿也有一定量的分布。轻、重矿物成熟度指数高，表明沉积物遭受过强烈化学风化作用，重矿物组合为电气石+钛铁矿+锆石。湾内多个站位出现锆石砂矿品位异常，锆石资源前景良好。多种矿物分布在湾的中南部，呈现明显的等值线高低不同的韵律性环状分布，湾中矿物主要来源于广西近岸陆地，其分布受地形和水动力的共同影响，入海泥沙在湾内主要受控于潮流影响，涨潮流与落潮流的流路和流速的不同是湾中矿物分布变化的主要原因。
　　위료자원、배경화항구건설적수요，대취자철산항해역68개표층침적물양품진행료계통적광물감정화통계，결과표명：침적물중광물충류봉부，기중경광물이석영위주；중광물이전기석、고석、태철광적고함량위특정，갈철광야유일정량적분포。경、중광물성숙도지수고，표명침적물조수과강렬화학풍화작용，중광물조합위전기석+태철광+고석。만내다개참위출현고석사광품위이상，고석자원전경량호。다충광물분포재만적중남부，정현명현적등치선고저불동적운률성배상분포，만중광물주요래원우엄서근안륙지，기분포수지형화수동력적공동영향，입해니사재만내주요수공우조류영향，창조류여락조류적류로화류속적불동시만중광물분포변화적주요원인。
Detrital mineral characteristics of 68 surface sedimentary samples collected from the Tieshan Bay were analyzed in detail for natural resources assessment, environmental protection and port construction. The results show that light minerals were dominated by quartz and heavy minerals of these sediments were characterized by relatively high contents of tourmaline, zircon and ilmenite, and limonite also accounts for a certain amount. The high mineral grade of maturity suggests that the sediment was suffered strong chemical weathering. The heavy mineral combination is tourmaline-ilmenite-zircon. Zircon content is higher at some locations in the bay, indicating good resource perspective of zircon. In the bay, the clastic minerals come principally from the offshore land and some minerals distribution in the south-central of the Tieshan Bay shows obvious features of the rhythmicity, which have been influenced by underwater topography and hydrodynamic conditions. Further, the sediment movement has mainly been controlled by tidal current. The difference of tidal flood current and ebb current flow path and flow velocity is the primary cause of the spatial distribution changes of these sedimental minerals in the bay.