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Encyclopedic overview
13 sectionsContents
- Etymology
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- Classification
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- Disciplines and fossil record
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thumb|Volcanic tephra at Brown Bluff, Antarctica (2016)
Tephra is fragmental material produced by a volcanic eruption regardless of composition, fragment size, or emplacement mechanism.
Excerpted from Wikipedia’s “tephra” article, available under the CC BY-SA 4.0 licence.