adj. 沉积的,沉淀性的
网络 沉淀性的; 沉淀的; 沉积岩
Because they are porous, sedimentary rocks, such as sandstones and conglomerates, are important potential sources of groundwater.
由于像如砂岩和砾岩这样的沉积岩是多孔的,它们是地下水的重要潜在来源。
Although most fossils are found in marine sedimentary rocks, they also are found in terrestrial deposits left by streams and lakes.
虽然大多数化石是在海洋沉积岩中发现的,但它们也存在于河流和湖泊所留下的陆地沉积物中。
In this process, sedimentary rocks that originally formed on the seabed may be folded upwards to altitudes of more than 26,000 feet.
在这个过程中,最初形成于海床上的沉积岩可能会向上折叠到26000英尺以上的高度。
Attempts were made to calculate Earth´s age from the thickness of surviving sedimentary rock and from the current level of the oceans´ salinity.
人们曾试图根据现存沉积岩的厚度和目前海洋的盐度水平来计算地球的年龄。
It is a global record: there is remarkably little variation in isotope ratios in sedimentary specimens taken from different continental locations.
这是一个全球性的记录:在取自不同大陆位置的沉积标本中,同位素比率的变化非常小。