It is considered an âimmatureâ coal with only 25-35% carbon. It is mainly used at power plants to generate electricity. Sub-bituminous â Lignite that becomes darker and harder over time is called sub-bituminous coal. Sub-bituminous coal contains 35-44% carbon.
 Sandstorm  is a musical composition by Finnish trance DJ Darude, released as the lead single from his debut studio album Before the Storm.It was initially released in Finland on 15 November 1999 by 16 Inch Records and it was eventually re-released in many other countries in 2000.S16 signed Darude as the first artist on JS16's new label 16 Inch Records. Darude had been uploading various pieces of his trance experimentation on the website mp3.com, where he was building a following, and he also uploaded the full-length demo of Sandstorm.
Sandstorms advance like a moving wall. (Image: Ahmad Atwah/iStock/Getty Images) Sandstorms, or dust storms, turn day into night. They occur when two elements are present: high wind and loose sand or dust. There's no controlling the wind, but sometimes we can control how much dust is ready to be blown away. Nature has its own controls, which humans can either help or hurt.