Classification of Rocks

Front

What is the classification of rocks?

Back

Rocks are classified into three main types: igneous, sedimentary, and metamorphic based on their formation processes.

Front

What is an igneous rock?

Back

Igneous rocks are formed from the solidification of molten material called magma or lava.

Front

What is a sedimentary rock?

Back

Sedimentary rocks are formed from the compaction and cementation of mineral and organic particles.

Front

What is a metamorphic rock?

Back

Metamorphic rocks are formed from existing rocks that are transformed by heat, pressure, or chemically active fluids.

Front

What is the difference between intrusive and extrusive igneous rocks?

Back

Intrusive igneous rocks form from magma that cools slowly beneath the Earth's surface, while extrusive igneous rocks form from lava that cools quickly on the surface.

Front

What is an example of an intrusive igneous rock?

Back

Granite is an example of an intrusive igneous rock.

Front

What is an example of an extrusive igneous rock?

Back

Basalt is an example of an extrusive igneous rock.

Front

How are sedimentary rocks formed?

Back

Sedimentary rocks are formed through processes of weathering, erosion, deposition, compaction, and cementation.

Front

What type of rock is slate?

Back

Slate is a metamorphic rock.

Front

What type of rock is sandstone?

Back

Sandstone is a sedimentary rock.