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.

References in periodicals archive ?
lapillus increased by an average of 22.6 percent during the past century, with no evidence of changes in other shell characteristics.
(5 ejs.), Littorina saxatilis y Littorina littorea (3 ejs.) y Nucella lapillus, Nassarius reticulatus y familia Neritidae (1 ej.
lapillus (Stickle & Bayne, 1982) and another 32 species of gastropods studied by Marsden et al.
Hunt and Scheibling (1998) found a high relationship between the drill hole diameter and predator length, and calculated a 0.34-mm threshold for drill hole diameter for smaller Nucella lapillus than 5 mm and above 5 mm preying on Mytilus trossulus and Mytilus edulis.
pugilis (Colton, 1905; Galindo-Perez, 2009) and other snails like Buccinun undatum (Hallers-Tjabbers, 1979), Nucella lapillus (Son & Hughes, 2000), Pomacea canaliculata (Avaca et al., 2013).