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8th Grade Science
Metamorphic Rock
| Term | Definition |
|---|---|
| Rock Cycle | Series of process in which rocks forms, changes from one type to another, is broken down, or melted, and forms again by geologic process |
| Metamorphic | To change form |
| Metamorphic Rock | There are two types foliated and nonfoliated metamorphic rock |
| Foliated Metamorphic Rock | Rocks in which the minerals have been flattened and pushed down into parallel layers Ex: slate, shale, and gneiss |
| Nonfoliated Metamorphic Rock | rocks that do not display layers. Rather, they are massive structures with no obvious banding. Ex: Quartzite, marble, and anthracite |
| Slate (foliated or nonfoliated) | foliated |
| shale (foliated or nonfoliated) | foliated |
| gneiss (foliated or nonfoliated) | foliated |
| quartzite (foliated or nonfoliated) | nonfoliated |
| marble (foliated or nonfoliated) | nonfoliated |
| anthracite (foliated or nonfoliated) | nonfoliated |