陆源沉积物指的是通过河流和风等从陆上运至海洋而在海底沉积的物质。
陆源沉积物是由什么组成的？
近岸的浅水条件，丰富的陆源细碎屑，局部的还原相带，是形成富铀沉积物的三个基本条件。
Nearshore shallow water environment, abundant terrestrial fine detritus, local reduction facies and zones are three cardinal conditions for the formation of uranium-rich sediments.
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。
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.
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