Crust (geology) enriched compared to the underlying mantle. Although the continental crust comprises only about 0.6 weight percent of the silicate on Earth, it contains 20% to 70% of the incompatible elements. All the other constituents except water occur only in very small quantities and total less than 1%. Estimates of average density for the upper crust range between 2.69 and 2.74 g/cm and for lower crust between 3.0 and 3.25 g/cm. Earth formed approximately 4.6 billion years ago from a disk of dust and gas orbiting the newly formed Sun. It formed via accretion, where planetesimals and other smaller rocky bodies
We Do What We Want We Do What We Want We Do What We Want is the fifth studio album by the American rock band Emery. The album was released on March 29, 2011 through Tooth & Nail Records and Solid State Records. Shortly after announcing the release of "We Do What We Want", founding bassist Devin Shelton announced he would be taking an indefinite hiatus from Emery. Emery was in the process of working on more stripped-down acoustic album when guitarist/vocalist Devin Shelton decided to take an indefinite leave of absence from the group. After his departure, the remaining four members made the conscious