Across
- 4. A metamorphic rock that often splits into flat sheets; its parent is shale.
- 6. A type of metamorphic rock texture that does not show any layers or bands.
- 7. The overall process where a rock’s structure is changed by heat, pressure, and moisture
- 10. The force that squeezes rock grains closer together, making them more compact.
- 11. A word describing a rock after pressure has forced its grains closer together, leaving less empty space
- 12. A major factor in changing rocks that can come from being deep underground or near magma
Down
- 1. A very hard, nonfoliated rock that forms from sandstone
- 2. A texture in metamorphic rocks where minerals are arranged in parallel bands or "stripes."
- 3. To change the physical shape of a rock through intense squeezing
- 5. A rock that has "coarse" foliation and alternating light/dark bands of minerals
- 7. Hot, molten rock that provides the extreme heat needed to "bake" nearby rocks into metamorphic ones.
- 8. A nonfoliated rock created when limestone is exposed to heat and pressure
- 9. The term for the original rock that existed before it was changed into a metamorphic rock