foliation
noun [ C or U ] geology specialized uk/ˌfəʊ.liˈeɪ.ʃən/ us/ˌfoʊ.liˈeɪ.ʃən/
岩石叶理化
a process in which rocks divide into thin layers that can be separated, or the layers themselves
Pressure concentrated in opposing directions often causes foliation in rocks. 集中在相反方向的压力通常会导致岩石的叶理化。
The presence of foliation is a clue to metamorphic rocks. 叶理的存在是变质岩的证明。
See: foliated
- More examples
- The resulting foliation is coarser and more distinct than that of slate.
- Rock foliations and lineations are indistinct or lacking.
- Commonly a lineation lies in the plane of a foliation in the same rock.
- Regional metamorphism frequently causes foliation.