| Title | Comment | Keywords |
|---|---|---|
| Crystallized Minerals | 09:24 - 10:44 (01:20) / 1.2 MB | crystal, "David Sigurdson", "Norman Bowen", "calcic plagioclase", mineral, olivine, pyroxene, hornblende, biotite, temperature, plagioclase, potassium, feldspar, biotite, muscovite, quartz, "reaction series" |