| Title | Comment | Keywords |
|---|---|---|
| Crystals and Cooling | 05:46 - 06:48 (01:02) / 1.4 MB | "James Sadd", dike, andesite, magma, gneiss, heat, crystal, granite, rhyolite, phenocryst |
Coastal & Marine Geology InfoBank
USGS CMG InfoBank Geology School: phenocryst |
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