Feb 27, 2017. 1  Tonight, Casey Affleck took home the Academy Award for Best Actor for his role in Manchester by the Sea. While this might be a reason for celebration for the new Oscar-winner, not everyone was so eager to join in with the applause.
Bituminous coal is a sedimentary rock. Anthracite coal is considered a metamorphic rock.
Slate is a metamorphic rock. Metamorphic rocks are rocks that change form from one type of rock into another because of time, pressure, heat and other factors. Other metamorphic rocks include slate, shale, schist, gneiss and marble. The new form of a rock is determined by the composition of the original rock. Shale doesn't automatically turn into slate.