Slate (writing) Slate (writing) A slate is a thin piece of hard flat material, such as the rock also called slate, that is used as a medium for writing. The rock is “a metamorphic rock created by the recrystallization of the minerals in shale from clay to parallel-aligned, flat, flake-like minerals such as mica”. The writing slate consisted of a piece of slate, typically either 4x6 inches or 7x10 inches, encased in a wooden frame. A precise date range for writing slates of this type has not been established. Usually, a piece of cloth or slate sponge was used to clean it
Music of Finland such as mentioned above. Suomirock is a word that literally means Finnish rock music. However, its true meaning is a more specific one, meaning rock/pop music with Finnish lyrics. As a genre and a name it really started its life in the 1980s following the punk movement. It means rock/pop music, that is not only imitating international trends or otherwise having international sound and English lyrics, but a form of rock-music, that is recognizably Finnish and have Finnish lyrics. A more and more general and recent term is "suomipop". The boundaries between what is considered "rock" and "pop" have become