Science Fair Project Dictionary
Clast
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English
Pronunciation
- IPA klæst'
Etymology
- From Greek "klastos", broken
Noun
clast, plural clasts
- A fragment of rock that was broken from a larger rock or rock unit.
Derived terms
- clastic - Adj - A rock or geologic unit containing a significant percentage of clasts.
- pyroclastic - Adj - A rock containing clasts of volcanic origin.
- Pyroclastic flow - N - A hot flow of volcanic ash, dust, and debris that cascades down the slope of a volcano during an eruption.
10-26-2009 07:45:12
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


