What is the difference between slate and mud slate?
The rock composition is mainly composed of muddy matter, with a small amount of calcium,
While the mud slate was thin, muddy - fine scales crystal structure, plate-like structure
The color of the slate varies with the impurities it contains.
Slate is a plate-like structure, basically no recrystallization of the rock, is a metamorphic rock, the original rock is muddy, silty or neutral tuff, along the plate direction can be stripped into thin slices.
