Igneous Environments

Igneous Environments

Igneous rocks, and the minerals they contain, form when magma cools and hardens. They can form on or near Earth's surface, or deeper in Earth's crust.

Topics

  • igneous rocks
  • minerals
  • crystallization
  • cooling rate
  • lava
  • magma
  • pumice
  • basalt
  • granite
  • crystal size
  • rock texture
  • volcanoes
  • intrusive vs extrusive rocks
  • geology timescales