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 the metamorphic rock formed from shale. A pile of mud can turn into shale (a fine-grained sedimentary rock) with relatively low pressure, about 3 mi (5 km) down into the earth. With more pressure and some heat, shale can transform into slate. Metamorphic rock found closer to Earth's surfacâ¦.