metamorphic formation
常见例句
- The Jingshan and Jiaodong Groups metamorphic green formation is the source bed of the gold mineralization in this region.
区内荆山群和胶东群变质绿岩建造是金矿化的矿源层。
http://dj.iciba.com - The upper part of it is a suit of metamorphic flysch formation, and the lower part, metamorphic volcanic-sedimentary rocks.
其上部为一套变质的复理石建造，下部为变质的火山-沉积岩建造。 - What kinds of metamorphisms are involved in the formation of metamorphic rocks in this area.
这个地区的变质岩的形成都涉及到那些变质作用呢？ 返回 metamorphic formation