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.
West Park. Westpark is a community west of Woodbridge between business and industrial areas near John Wayne Airport, in the heart of Irvine. Irvine, California. One of the nation's largest planned urban communities, Irvine is just 45 miles south of Los Angeles and 90 miles north of San Diego. With more than one-third of the city permanently preserved as parks, natural open space and trails, Irvine's center is just seven miles from the beach.