The main sediments are made up of terrigenous clastic deposits. Other resedimented clastic constituents are: ooid, fossil clasts, plant clasts and glauconite, etc.
沉积物主要由陆源碎屑组成，其它的再沉积碎屑组份有鲕粒、化石碎屑、植物碎屑和海绿石等。
It is shown from the analysis results of grain size data that the sediments from the northern Okinawa Trough are mixture of terrigenous materials and volcanic ash during the Holocene epoch.
沉积物粒度数据的端员分析结果表明，冲绳海槽北部全新世沉积物中的硅酸盐碎屑是由陆源碎屑物质和火山灰按不同的比例混合而成的。
Elements are mainly terrigenous, clay (or fine muddy matter) is the major factor controlling the concentrations of heavy metals in sediments.
大多数元素以陆源为主，粘土(或细颗粒沉积物)是控制底质金属含量的主要因素。
应用推荐