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8th- Metamorphic Roc
| Term | Definition |
|---|---|
| metamorphic rocks | rocks that form from heat and pressure |
| daughter rocks | metamorphic rocks that form from another rock |
| parent rocks | original rock that a metamorphic rock is made from; can be igneous, sedimentary, or another metamorphic rock |
| dynamic (regional) metamorphism | process by which metamorphic rocks are formed when intense heat and pressure squeeze rocks together; occurs where mountains are formed |
| foliation | parallel layers or bands of minerals that form on metamorphic rock due to the intense pressure |
| foliated | a rock that displays foliation |
| non-foliated | a rock that does not display foliation |
| contact (local or thermal) metamorphism | process by which metamorphic rocks are formed when heat from a magma chamber heat the surrounding rocks and chemical change occurs |