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.

Glad You Asked: Igneous, Sedimentary, & Metamorphic Rocks - Utah

4.3 Classification of Igneous Rocks – Principles of Earth Science

Rock Cycle and Classification Lecture notes Computer science

The Rock Cycle: Learn The Types Of Rocks & Minerals

3.1 The Rock Cycle – Physical Geology

3.5 The Rock Cycle – Physical Geography and Natural Disasters

Sedimentary Rocks Formed, What Type of Rock is Chalk

igneous rocks formation and their classification

Rocks and minerals - British Geological Survey