calcareous

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

其下部钙质砂（砾）岩在地下水用下产生溶蚀现象。

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。防水印及水渍呈现于石材表面，并可防污渍渗入表面、冰霜侵入及防。

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粘土微观粘粒与水溶液的相互用，提出了“滤盐层”的概念。

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.

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灰质的岩石。其富含有石灰和较高量的腐殖质。