calcareous

The understratum, calcareous sandrock and conglomerate rock, generate dissolution of groundwater.

其下部钙质砂（砾）岩在地下水作用下产生溶蚀现象。

The platform foreslope is composed of the dark grey and celadon calcareous mudstone,siltstone,sandstone intercalated with limestone conglo...

内陆棚以深、绿色质泥岩色砂质、质纹层为特征,并编制了该地区桑塔木组的岩相古地理图。

Rendzina A type of brown earth soil typical of humid to semi-arid grasslands over calcareous rocks. The rendzina is rich in lime and has an upper humus-rich horizon.

黑色石土：一种褐色的土壤，其特征为潮湿的半干旱的草地上覆盖着石质的岩石。其富含有石和较高量的腐殖质。

Not only most metazoan phyla made their debut at the earliest Cambrian, but also the fossil record like calcareous metaphyte flora and acritarch change dramatically nearly at the same time.

地球外部圈层的演替变化，诸如大陆重组、地磁极移、古气候、大洋地球化学性质的变化以及大气氧含量的变化等在时间上与这一生命爆发事件有耦合关系。

This paper discussed water liquor acts on micrinite in the calcareous clay at the bottom of saline aquifer and put forward the concept of filter bed of salinity.

本文讨论了咸质含水组底部钙化粘土微观粘粒与水溶液的相互作用，提出了“滤盐层”的概念。

The different structure carbonate rocks organic carbon content is difference, the overall present that the micrite > the powder crystal calcareous rock > the sparite.

区内高演化海相地区有效烃源岩岩石类型主要为泥/页岩、硅质岩、泥岩、生物（屑）岩。

SOL 170 is a solvent based impregnator especially formulated to protect marbles, granites and natural stones from water and dirtpenetration, frost damage and to stop calcareous efflorescence.

SOL 170 是一种特别渗透性配方的防水剂，有效于保护大理石、花岗岩、天然石材等。防止水印及水渍呈现于石材表面，并可防止污渍渗入表面、冰霜侵入及防止风化。