overlain

常见例句

The channel is overlain by siltstone and lenticular beds of limestone.
河道上面覆盖着粉砂岩和石灰岩透晶体。
Petroleum stores, however, are sometimes overlain with nonporous rock.
但是,有时覆盖油藏的岩石是非渗透的。
These cyclic sequences are overlain by the lagoon dolomitic mudstones and shales.
米级旋回层序之顶覆以厚度不等的?
The turbidite is overlain by Mid-Cretaceous volcanic rocks and intruded by Eocene tonalites.
研究表明，这些含砾泥岩可能是水下碎屑流沉积，其生成环境可能是海底扇中扇的水道。
The channel sandbar is the main sandbody and is usually directly overlain by floodplain deposits.
其中，河道砂坝是其主要砂体，顶部常被洪泛平原直接覆盖；
In the Luquan-Wuding region of the north domain, the Ordovician is complete, and is unconformably overlain by the Devonian.
北侧的禄劝-武定一带，下古生界的沈积序列与之相反，有完整的奥陶纪沈积组合，上于泥盆系假整合，其间无志留纪的沈积。