Structure of the Earth obducted onto the continental crust and preserved as ophiolite sequences. Many rocks now making up Earth's crust formed less than 100 million (1) years ago; however, the oldest known mineral grains are about 4.4 billion (4.4) years old, indicating that Earth has had a solid crust for at least 4.4 billion years. Earth's mantle extends to a depth of 2,890 km, making it the thickest layer of Earth. The mantle is divided into upper and lower mantle. The upper and lower mantle are separated by the transition zone. The lowest part of the mantle next to the core-mantle boundary is
We Do What We Want MP3 for the song "Scissors" was divided into seven sections. For seven consecutive days, one new piece of the song was revealed through a different online media outlet. The band would give a clue as to where the next clip would be released on their Facebook page, and fans were encouraged to collect all of the parts and put the song back together. Also prior to the release of "We Do What We Want", Emery previewed "The Cheval Glass," "I Never Got to See the West Coast" and "The Curse of Perfect Days." "We Do What We Want" was released