What Is the Rock Cycle?
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Problems 7
- Indicate what rock type is being described: Obsidian is smooth, black, and glass because it cooled so quickly.
- Indicate what rock type is being described: by cooling slowly, large crystals could form.
- Indicate what rock type is being described: Cementation and compaction form these rocks.
- Indicate what rock type is being described: Extreme temperature and pressure cause these rocks to be foliated/banded or non-foliated.
- What causes a divergent boundary?
- What causes a transform boundary?
- Which one of the 3 basic rock types includes all of the rocks above?