Rock, Definition, Characteristics, Formation, Cycle, Classification, Types, & Facts

Rock, in geology, naturally occurring and coherent aggregate of one or more minerals. Such aggregates constitute the basic unit of which the solid Earth is composed and typically form recognizable and mappable volumes. The three major classes of rock are igneous, sedimentary, and metamorphic rock.

Different Types Of Mountains with Characteristics

Formation of rocks - Wikipedia

Types of Rocks

Shale Rock: Geology, Composition, Uses

Reading: Characteristics of Metamorphic Rocks

Rock (geology) - Wikipedia

Rock Cycle Steps & Science Project

Rock Identification & the Rock Cycle

Metamorphism - The Australian Museum