Rocks - Igneous rocks

HideShow resource information

Igneous rocks

1) These are formed from molten (melted) magma which is pushed up to the surface of the crust - and often out through volcanoes.

1 of 3

Igneous rocks

2) They contain various minerals in randomly arranged interlocking crystals. The size of the crystals (or texture) depends on the speed of the cooling.

2 of 3

Igneous rocks

3) There are two types of igneous rocks:

  • Extrusive
  • Intrusive
3 of 3


No comments have yet been made

Similar Chemistry resources:

See all Chemistry resources »