| A | B |
| igneous rock | includes all intrusive and extrusive rock types |
| porphyritic | type of rock texture that results in slow cooling |
| metamorphic rock | this rock type forms as a result of extreme pressure |
| limestone | this type of sedimentary rock makes up coral reefs |
| erosion | te carrying away of broken or worn away material |
| weathering | the wearing away of lithospheric material |
| cementation | te proess in which dissolved minerals crystalize and "glue" particles of sediment together |
| shale | a sedimentary rock formed when water deposits tiny particles of cly in very thin, flat layers |