There is no regulation for supplements by the government, which has  led to a lot of controversy in the media lately. Since there is no  standard for regulating supplements,â¦ some companies have been under  scrutiny for being misleading on the ingredients in their  supplements. If you do choose to take a supplement, be sure to do  your research so that you know what is going into your body and how  it may react.
Shale is a fine-grained sedimentary rock that forms from the compaction of silt and clay-size mineral particles that we commonly call mud. This composition places shale in a category of sedimentary rocks known as mudstones.
Slate is a fine-grained, foliated metamorphic rock that is created by the alteration of shale or mudstone by low-grade regional metamorphism. The specimen shown above is about two inches (five centimeters) across.n the coal mining industry of the Appalachian Basin, the word slate is still used by many miners to in reference to the shale that forms the roof and floor of a mine and for fragments of shale that are separated from the coal in preparation plants.