| A | B |
|---|
| texture | look and feel of the rock |
| igneous rock | major group of rocks made from magma or lava |
| extrusive rock | igneous rock, formed outside |
| basalt | most common extrusive igneous rock |
| intrusive | igneous rock, forms inside the crust of the earth |
| granite | most common intrusive igneous rock |
| grains | these give the rock it's texture |
| silica | when silicon and oxygen are combined |
| sedimentary | rock group that is made of particles of broken rocks or minerals |
| erosion | movement of particles by water, wind, or ice |
| deposition | when particles are dropped by erosional force |
| compaction | to squeeze together |
| cementation | when minerals in water glue particles together |
| clastic | sed. rock type made of pieces of other rocks |
| organic | sed. rock from living thing |
| chemical | sed. rock formed from dissolved minerals |
| metamorphic | rock that has been changed |
| foliated | meta. rock that has a banded look |
| nonfoliated | meta. rock with no bands |
| rock cycle | all the processes that change one rock type to another |
| rock-forming minerals | 20 of them, make up earth's rocks |
| sediment | pieces of rock/living things that make up rock |
