VelvetGentleman@lemmy.worldtopics@lemmy.world•Main road to Grindavík (Iceland) is covered under lava
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8 months agoObsidian forms when lava cools very rapidly, limiting crystal growth. The lava pictured above most likely cooled slowly.
Obsidian forms when lava cools very rapidly, limiting crystal growth. The lava pictured above most likely cooled slowly.
This is fairly recent bird lore. Like late 80s to 90s. It takes a while for schools to catch up so I missed it as well.