rock association

• 岩石组合

rock association的用法和样例：

例句

1. The rock combination and lithofacies of the Late Paleozoic marine volcanic rocks are quite complex.
   晚古生代海相火山岩相岩石组合较复杂。
2. The rock assemblage of shallow exposed bank-microfacies is the basis of the formation of pore layers and reservoir permeability systems.
   变浅暴露滩微相的岩石组合是孔隙层和储渗体形成的基础。