What are the characteristics and slate?
Green slate, black slate, calcareous slate and so on.
he carbonaceous is black or gray; the case of calcium is bubbled, so it is generally classified as its color
The color of the slate varies depending on the impurities it contains. The iron is red or yellow
silty or neutral tuff, along the plate direction can be stripped into thin slices
Slate is a plate-like structure, basically no recrystallization of the rock, is a metamorphic rock, the original rock is muddy
