1.【矿】角页岩
1.a fine-grained metamorphic rock composed of silicate minerals and formed through the action of heat and pressure on shale
1.Hornfels is a non foliated metamorphic rock.
角页岩是一种无叶理的变质岩。
2.Mainly silicification and mineralization, skarn, hornfels and so close.
且矿化主要与硅化、矽卡岩化、角岩化等关系密切。