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volcanism

   Also found in: Medical, Legal, Encyclopedia, Wikipedia 0.01 sec.
vol·ca·nism  (vlk-nzm) also vul·ca·nism (vl-)
n.
1. Volcanic force or activity.
2. The phenomena associated with volcanic activity.
volcanism [ˈvɒlkəˌnɪzəm], vulcanism
n
(Earth Sciences / Geological Science) those processes collectively that result in the formation of volcanoes and their products
volcanism
the phenomena connected with volcanoes and volcanic activity. Also vulcanism. — volcanist, n.
See also: Volcanoes
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.volcanism - the phenomena associated with volcanic activityvolcanism - the phenomena associated with volcanic activity
geological phenomenon - a natural phenomenon involving the structure or composition of the earth
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Then, the eruptions abruptly stopped, and atmospheric carbon levels fell well below what they were in the time before volcanism.
Volcanoes played pivotal role in ice age that caused mass extinction ... by Asian News International
Unique geological sequences, volcanism, tectonic faults and glaciers have also generated valuable mineral and metal deposits including zinc, copper, nickel, lead, titanium, uranium, diamonds and gold.
The cold rush: the Arctic is estimated to contain up to 25 per cent ... by Green, Adam / New Internationalist
[ILLUSTRATION OMITTED] Fire under ice Thick layers of volcanic ash (above, ash samples shown in inset) blanketing a patch of Arctic seafloor point to explosive volcanism at a depth greater than 4,000 meters, a phenomenon scientists long thought impossible because of the immense pressures at such depths (SN Online: 6/25/08).
Earth by Quill, Elizabeth / Science News
 
 
 
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