Part one of term paper
(also called deposited rocks) are rocks, which are derived from the decomposition, and weathering of older rocks. The sedimentary rock cover of the continents of the earth's crust is extensive, but the total of that being of is estimated to be only five percent of the total. contain important information about the history of the earth. The ...

Part two of term paper
... formed by the gathering of individual grains of loose sediment, such as gravel and sand. Chemical are formed by chemical precipitation from solution. These two categories are not exclusive because most clastic carry some chemical sediment, and most chemical also contain some loose sediment material. All are in general characterized by the parallel arrangement of their mineral layers or beds, which are distinguished from each other by differences in thickness, the size of the grains, or color. ...