| Title | Comment | Keywords |
|---|---|---|
| Hydrothermal Ore Deposits | 21:48 - 22:58 (01:10) / 1.1 MB | "J. Lawford Anderson", magma, "igneous intrusion", "metallic mineral", "ore deposit", "hydrothermal ore deposit", metal, element, mineral, quartz, feldspar, mica, "lava flow", crystal, water, boiling, fracture, "magma chamber", precipitation |