At a granular level, rocks are composed of grains of minerals, which, in turn, are homogeneous solids formed from a chemical compound that is arranged in an orderly manner. The aggregate minerals forming the rock are held together by chemical bonds.he types and abundance of minerals in a rock are determined by the manner in which the rock was formed. Many rocks contain silica (SiO 2); a compound of silicon and oxygen that forms 74.3% of the Earth's crust.
Tustin station. (Redirected from Tustin (Metrolink station)) Tustin is a Metrolink train station in Tustin, Orange County, California, United States. The station is located in a shopping plaza at the intersection of Jamboree Road and Edinger Avenue. Between October 2010 and September 2011, the parking lot was closed to all cars to facilitate the construction of a five-level, 733-space parking structure.
Tustin, CA. Online Offers. Tustin is a city located in Orange County, California, in the Los Angeles metropolitan area. As of the census of 2010, Tustin had a population of 75,540. The city is located next to the county seat, Santa Ana, and does not include the Tustin Foothills. Because of a top 10% ranking in per capita and one of the shortest commutes in Southern California, the city was chosen in 2009 by Forbes as one of the top 25 towns to live well in America.