Volcanic domes commonly form from all of the following rocks except:

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Volcanic domes are typically formed from highly viscous lava, which allows them to maintain a dome-like shape as they cool and solidify. Basalt, being a low-viscosity lava, usually forms broad, shield volcanoes rather than steep-sided domes. Andesite, rhyolite, and obsidian have higher silica content, making them more viscous and suitable for forming volcanic domes.

Volcanic Domes Commonly Form from All of the Following Rocks