pyromagiac: (I walk stumbling)
Adele Naumann | "Eyjafjalla" ([personal profile] pyromagiac) wrote in [community profile] imeeji_frontstage 2022-01-28 03:14 pm (UTC)

Yep! Looking closer, the coloring is inconsistent, so I'd wager it's probably basaltic andesite. Did you know silica content can determine the viscosity of lava flow? Since basalt has a pretty low silica content, we can tell that this is rock that formed from fast-moving lava!

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