permeable bed

A pool of mud boils near Dallol Volcano, in Ethiopia's remote Danakil Depression.

一池泥浆在位于埃塞俄比亚远郊达纳基尔凹地(DanakilDepression) 的宽干谷(Dallol)火山附近沸腾着.

The Bajiatan complex is located at the center of the Mesozoic Lujiang-Zhongyang volcano-tectonic depression.

巴家滩杂岩体位于庐枞中生代火山构造洼地的中心.

Songshunangou gold deposit is located in the volcano-tectonic depression, the mineralization relates to volcanic rock.

松树南淘金矿受火山构造洼地制约, 成矿作用与火山岩有关.

the principal direction of small-scale movement is from a shale or clay to a sandstone or other permeable bed.

小范围运动主要从页岩或粘土岩向砂岩或其他渗透性地层中运动。