Rock Band Christmas Cards. Web in geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. Rocks are commonly divided into three major classes according to the processes that resulted in their formation.
Web rock, in geology, naturally occurring and coherent aggregate of one or more minerals. It is categorized by the minerals included, its chemical composition, and the way in which it is formed. Web rock, also called rock and roll, rock & roll, or rock ’n’ roll, form of popular music that emerged in the 1950s.
