| Title | Comment | Keywords |
|---|---|---|
| Two Types of Lava | 09:51 - 11:10 (01:19) / 3.4 MB | viscosity, "lava flow", eruption, Hawaii, gas, pahoehoe, aa, "lava tube", temperature, "shield volcano", "composite volcano", vent |
Coastal & Marine Geology InfoBank
USGS CMG InfoBank Geology School: aa |
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