An exploration of rocks that describes the three main types, formations and where they are found, the work of geologists, rock cycles, and other related topics. www.av2books.com (book code J66825, security question "Crystal".
Presents a short study of the various rocks and minerals found in the earth and discusses sedimentary, metamorphic, and igneous rocks, how they are formed, man's uses for certain types of rocks, and fossils found in rocks.
An exploration of rocks that describes the three main types, formations and where they are found, the work of geologists, rock cycles, and other related topics.
