基本释义:

砂钟构造

网络释义

1)hour glass structure,砂钟构造

2)sandglass structure,沙钟构造

3)sandball construction,砂球构造

4)structure infered by the heavy minerals,构造重砂

5)sand-veins,砂脉构造

6)sand watch,沙漏(沙钟)构造

用法和例句

In this formation abundant centimeter-scaled pygmatic sand-veins are well developed.

华北中元古界串岭沟组暗色页岩中普遍发育的砂脉构造被解释为气体逃逸形成的沉积构造。