Explosive eruption (dacite and rhyolite magma) Plinian-style eruption

Explosive eruption (dacite and rhyolite magma) Plinian-style erupti...

Detailed Description

Dacite magma erupts from the crater of Mount St.Helens to form a Plinian eruption column. Dacite and rhyolite magmas with low concentrations of dissolved gases can erupt as lava flows, producing little or no ash.

Details

Image Dimensions: 543 x 353

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