base of weathering

基本解释

On land, first breaks commonly represent the base of weathering and are useful in making static corrections.
在陸上，初至一般代表了低速帶的基底，可用來進行靜校正。
www.infopetro.com.cn
The types of reservoirs main include base rock weathering crust, sandstone, tuffaceous sandstone and conglomerate.
儲層類型主要包括基巖風化殼、砂巖、凝灰質砂巖和礫巖。
Investigation indicates that: talus material, residual deposit and strong weathering bedrock are material base of clastic flow landslide;
調查分析表明：殘坡積物與強風化基巖是碎屑流滑坡的物質基礎；