Mineralogy and Crystallography

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vulcanism

A Dictionary of Earth Sciences | 1999 | | Copyright

vulcanism
1. A theory of the 18th and 19th centuries, based initially on fieldwork in the French Auvergne and associated with Nicolas Desmarest and James Hall. They proposed that volcanic rocks were produced from molten material, and that volcanoes had formerly existed where basalts, etc. are now present.

2. See VOLCANICITY.

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AILSA ALLABY and MICHAEL ALLABY. "vulcanism." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "vulcanism." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O13-vulcanism.html

AILSA ALLABY and MICHAEL ALLABY. "vulcanism." A Dictionary of Earth Sciences. 1999. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-vulcanism.html

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volcanism

World Encyclopedia | 2005 | Copyright

volcanism (vulcanism) Volcanic activity. The term includes all aspects of the process: the eruption of molten and gaseous matter from volcanoes, the building up of cones and mountains, and the formation of lava flows, geysers and hot springs.

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"volcanism." World Encyclopedia. 2005. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

"volcanism." World Encyclopedia. 2005. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O142-volcanism.html

"volcanism." World Encyclopedia. 2005. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-volcanism.html

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Volcanism

A Dictionary of Earth Sciences | 1999 | | Copyright

Volcanism See VOLCANICITY.

Cite this article
Pick a style below, and copy the text for your bibliography.

MLA
Chicago
APA

AILSA ALLABY and MICHAEL ALLABY. "Volcanism." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "Volcanism." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O13-Volcanism.html

AILSA ALLABY and MICHAEL ALLABY. "Volcanism." A Dictionary of Earth Sciences. 1999. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-Volcanism.html

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Free newspaper and magazine articles

	Watering Mars with volcanism. Magazine article from: Science News; 7/4/1987
	Did volcanism scar Mars' canyons? Magazine article from: Science News; 7/28/1990
	Venus's volcanism: present or past? Magazine article from: Science News; 4/5/1986