| A | B |
|---|
| extrusive | igneous rock that forms from lava |
| grain pattern | type of rock grain that is wavy or swirling |
| grain size | type of texture that refers to corse or fine grained |
| grain shape | type of texture caused by crystals or jagged particles |
| calcite | a compound produced by corals and algae |
| depostion | prcess of sedimentary rock formation that occurs just before compaction and cementation |
| sedimentary rock | includes all clastic, organic, and chemical rocks |
| texture | refers to the look and feel of a rocks surface |
