Volcanoes (II)

Uploaded: 17 May 2017

* See comic on Mineralogy: [Read comic!]

** See comics on Plate Tectonics I [Read comic!] and Plate Tectonics II [Read comic!]

References:

Marshak, S. 2005: Earth: Portrait of a planet, 2nd edition, W.W. Norton & Company.

Wikipedia.