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
The Not-Its! that just happen to be about every-day kid stuff (the first day of school, taking a bath)." The Not-Its! released their first full-length album, "We Are The Not-Its!" in July 2009. The album later received a Fids & Kamily music award for one of the best children's music albums of 2009. They have received numerous rave reviews in both local and national press, including upscale mom publication Cookie Magazine, Seattle Magazine and the Seattle Times , as well as on blogs and websites such as zooglobble.com , Spare the Rock, Spoil the Child, and coolmompicks.org. They were also recently selected