Rock (geology) Wikipedia
A rock is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. . (pieces of rock) or organic particles (detritus) to settle and accumulate, or for minerals to chemically precipitate (evaporite) from a solution.
Rocks & Minerals
rocks, and the minerals they contain, provided clues to the .. Rocks are made up of minerals. ... Chemical sedimentary rocks are precipitated from solutions.Live Chat