| A | B |
|---|
| metamorphic rock | new rock that forms when existing rock is melted or squeezed |
| intrusive | type of igneous rock that forms when magma cool beneath Earth's surface |
| igneous rock | intrusive or extrusive rock that is produced when melted rock cools and hardens |
| foliated | metamorphick rock with visible layers of minerals |
| gem | rare, valuble mineral that can be cut and polished |
| extrusive | igneous rocks that form when melted rock cools on Earth's surface |
| crystal | solid material with atoms arranged in a repeating pattern |
| sedimentary rock | type of rock made of other rocks, dissolved minerals, or plant/animal matter |
| rock | solid inorganic material that is made up of 2 or more minerals |
| rock cycle | diagram that shows slow continuous process of rock changing from one type to another |
| ore | a useful metal that can be mined and sold as profit |
| nonfoliated | metemorphic rock that lack distinct layers or bands |
| mineral | inorganick solid material found in nature that always has the same cheical makeup, atoms arranged in an orderly pattern, and certain properties |
