176k views
3 votes
Why do you think slate might be denser than shale??

1 Answer

6 votes
It is easy to see the think layers in the stone. Metamorphic rock often forms layers due to being squeezed under pressure. Since it separates into think sheets,slate has been used for chalkboards roof,shingles,and pool table tops.
User Eric Pauley
by
7.8k points