Пожалуйста помогите с переводомRock - one of the solid materials of

Пожалуйста помогите с переводом
Rock - one of the solid materials of which the earth's crust is mainly composed. It is мейд up of minerals. The majority of rocks are heterogenous aggregates of more than one kind of mineral, but some rocks consist largely of a single kind of mineral.
Rock occurs both in the from of layers (strata) and irregular masses of various sizes and shapes. It originates in many ways. A small portion come into existence through the deposition and accumulation of organic substances. However, most is мейд up of aggregates of inorganic particles.