sediments

The sediments are detrital and largely of greywacke facies.

沉积岩为碎屑质,大部分属于杂质砂岩相.

The coarse sediments have generally accumulated along the continental margins.

粗粒沉积物一般沿大陆边缘堆积.

Oligocene erosion had truncated the sediments draped over the dome.

覆盖于穹丘上的沉积岩为渐新世侵蚀所截削.

Sediments acted as a restricting control.

沉积层起着屏蔽的作用.

When deposited , 70-80 % of the volume of muddy sediments may be water.

泥质沉积物沉积后, 体积的70-80%是水.

She scooped out the yeasty sediments.

她将发酵的沉淀物舀了出来.

In clastic sediments, particle size is an important factor.

在碎屑沉积物中, 颗粒大小是个重要因素.

Carbonate sediments in all environments are basically products of an ancient biochemical system.

一切环境的碳酸盐沉积物,基本上都是古代生物化学体系的产物.

They can also be transmitted through thick deposits of unconsolidated sediments.

它们也可能通过未固结沉积物的沉积层.

Mass movement of soil, rock, or older sediments are essentially hillside processes rather than valley processes.

土壤 、 岩石或较老沉积物的大体积运动实质上是一种山坡过程而不是一种河谷过程.

The oldest sediments cored to date are about 150 million years old.

到目前为止取出的最老沉积物的岩心是大约1.5亿年以前的生成.

Very great strides in sampling ocean-floor sediments were taken in the late 1960's.

海底沉积物取样的巨大进步是发生在六十年代后期.

Vintage ports must be decanted to remove natural sediments.

上等的波尔图葡萄酒必须倒入其他容器中以滤除自然沉淀物。

Loose sediments may be changed into solid sedimentary rocks.

松散的沉积物可以变成坚硬的沉积岩.

Coastal deposits are those sediments deposited at or near sea level.

沿海沉积物是沉积在海平面或接近于海平面处的沉积物.