The Three Rock Categories:
1) Igneous
2) Metamorphic
3) Sedimentary
What Makes Up Rocks?
Minerals
Igneous Rocks Are Classified On:
The basis of environment of formation and mineral composition
Igneous Rocks Are Formed By:
Melting and solidification of molten rock or magma/lava
Igneous Rocks Make Up:
Earth’s crust-
oceanic (basalt)
continental (granite)
The Two Main Igneous Rock Categories:
Intrusive and Extrusive
All Rocks Are Classified On?
The basis of formation