The structural layer is symmetrical for octahedron sheet in the structure of interstratified minerals and shows polarity characteristics.
间层结构中，结构层对于八面体片是不对称的，并在属性上表现出极性特征；
2
Impure limestones with interstratified metachert layers where apt to happen fluid rock reactions are excellent for the study of contact metamorphic fluid.
接触变质流体研究主要集中在含有易于发生流体-岩石反应的不纯碳酸盐岩地区。
3
The Pengjiakuang gold deposit is a new type discovered in East Shandong, which occurs in interstratified glide breccia of the Jinshan Group parametamorphic rock series in the Mesozoic Jiaolai Basin.