Tuff (Q41893)

From geokb
Revision as of 17:54, 21 April 2023 by Sky (talk | contribs) (‎Cleared an Item: Added to primary parent rock class as subclass)
A pyroclastic rock where the average size of more than 75% of the pyroclastic fragments is less than 64mm and less than 25% of the fragments are lapilli
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Tuff
A pyroclastic rock where the average size of more than 75% of the pyroclastic fragments is less than 64mm and less than 25% of the fragments are lapilli

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