| Title | Comment | Keywords |
|---|---|---|
| Contact Metamorphism | 13:53 - 14:52 (00:59) / 1.3 MB | "Douglas M. Morton", "contact metamorphism", marble, intrusion, "igneous rock", tonalite, limestone, element, "chemical reaction", iron, aluminum, silicon, garnet, silica, wollastonite, "calcium silicate" |