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.

How Many Types of Rocks are there ?

Types of Rocks

Rock cycle - Wikipedia

Rocks and minerals - British Geological Survey

Sedimentary Rocks

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

Are you Ready to Rock Discuss S. - ppt download

The Rock Cycle

Classification of Rocks with Examples - The Constructor

What is Rock, Types of Rocks and Classification

5.1.1 How do rocks form? – Earth & Space Science