Earth Science 11^th Edition Vocabulary Chapter 12

By Reshawn Brown (GLY 1001 Student North Campus Fall 2006)

1. outgassing (p.338)- The escape of gases that had been dissolved in magma.

2. shields (p.338)- A large, relatively flat expanse of ancient metamorphic rock within the stable continental interior.

3. Stromatolites (p.339) - Structures that are deposited by algae and consist of layered mounds of calcium carbonate.