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Lapilli |
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lapilli [lə′pi‚lī]
(geology) Pyroclasts that range from 0.04 to 2.6 inches (1 to 64 millimeters) in diameter. Lapilli small rounded or irregularly shaped pieces of lava between the size of a pea and a walnut, ejected together with volcanic bombs and ash during volcanic eruptions. They are chunks of lava that have solidified in flight or fragments of volcanic and wall rock through which the eruption passed and which solidified earlier. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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