Supereruption
Definition, Meaning & Examples
Pronunciation /ˌsuːpəɹɨˈɹʌpʃn̩/ · Part of speech noun
Quick meaning: Supereruption is a noun meaning (dentistry) Overeruption.
Meaning
(dentistry) Overeruption.
More Meanings
- The massive eruption of a supervolcano.
Example Sentences
The Los Alamos mesa rested against the eastern slope of the Jemez Mountains, on the rime of the Valles Caldera, formed as a result of two explosive super-eruptions 1.6 and 1.1 million years ago.
Another study performed by Stanley Ambrose, a professor of anthropology at the University of Illinois in 1998, suggests that a bottleneck occurred in human evolution at around 70,000 years ago, coinciding with a volcanic winter following the Toba supereruption.
All these lines of evidences (formation of giant calderas like 11-18 k, Oued Dar'a caldera in the Saghro massif, ignimbrites, and thick successions and ignimbrite flow unites without any intervening sedimentary units) point toward an occurrence of multiple supervolanoes/supereruptions (resembling the 74, 000 yr Toba event) during emplacement of the ca. 580 Ma pulse of the Central Iapetus magmatic province.
Word Forms
- supereruptions
Related Words
Related dictionary entries include overobturation, overburst, overshift, overbreak, overprotraction, superexcrescence.
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Sources & Attribution
FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0
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