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Geochemistry

Periodic Graphics

Periodic Graphics: Lava and volcanic gases

Chemical educator and Compound Interest blogger Andy Brunning probes the molecular makeup of the molten rock and gases spewed by volcanoes

by Andy Brunning
July 8, 2018 | A version of this story appeared in Volume 96, Issue 28
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To download a pdf of this article, visit http://cenm.ag/volcanochem.

References used to create this graphic:

Chemical composition of volcanic gases

Pyroclastic flows

Volcanoes, magma, and volcanic eruptions

What’s the difference between magma and lava?

Emissions from volcanoes

A collaboration between C&EN and Andy Brunning, author of the popular graphics blog Compound Interest

To see more of Brunning’s work, go to compoundchem.com. To see all of C&EN’s Periodic Graphics, visit cenm.ag/periodicgraphics.

 

CORRECTION: This infographic was updated on July 27, 2018, to correct the relative viscosities of pahoehoe and aa lava flows. Pahoehoe lava flows do not have higher viscosity than aa lava flows. They have lower viscosity.

This article has been translated into Spanish by Divulgame.org and can be found here.

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