Beyond earth: How extra-terrestrial volcanism has changed our definition of a volcano

Rosaly M C Lopes, Karl L. Mitchell, David Williams, Giuseppe Mitri

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The discovery of numerous extra-terrestrial volcanoes, including active ones, has stretched our traditional definition of what a volcano is. We now know that the nature of volcanism is highly variable over the solar system, and the traditional definition of a volcano as defined for Earth needs to be modified and expanded to include processes such as cryovolcanism, in which aqueous mixtures are erupted from the interior to the surface. In this chapter, we review past volcanism on the Moon, Mercury, and Mars, active volcanism on Io, and cryovolcanism in the moons of the outer solar system. We suggest the following definition that encompasses the different forms of volcanic activity seen in other worlds: A volcano is an opening on a planet or moon's surface from which magma, as defined for that planetary body, and/or magmatic gas is erupted.

Original languageEnglish (US)
Pages (from-to)11-30
Number of pages20
JournalSpecial Paper of the Geological Society of America
Volume470
DOIs
StatePublished - 2010

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volcanism
volcano
Moon
solar system
Mars
planet
magma
gas

ASJC Scopus subject areas

  • Geology

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Beyond earth : How extra-terrestrial volcanism has changed our definition of a volcano. / Lopes, Rosaly M C; Mitchell, Karl L.; Williams, David; Mitri, Giuseppe.

In: Special Paper of the Geological Society of America, Vol. 470, 2010, p. 11-30.

Research output: Contribution to journalArticle

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