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.
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。
Elements are mainly terrigenous, clay (or fine muddy matter) is the major factor controlling the concentrations of heavy metals in sediments.
混合沉积物是指陆源碎屑与碳酸盐 （包括异化粒等 ）在沉积上的混合。
The mixing deposits mean the mixing of terrigenous clastics (siliciclastics) and carbonates (including allochem grains).
混合沉积物是指陆源碎屑与碳酸盐 （包括异化粒等 ）在沉积上的混合。
The mixing deposits mean the mixing of terrigenous clastics (siliciclastics) and carbonates (including allochem grains).
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