Difference between revisions of "Lapilli"
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== Description == | == Description == | ||
| − | A size classification for small [ | + | A size classification for small [[pyroclastic rock|pyroclastic]] fragments of [[lava]]. Lapilli means "little stones" in Latin. Formed by droplets of molten lava, cooled in the air, the stones range in size from 2 to 64 mm. Lapilli occur in spheroid, teardrop, dumbbell, or button-like shapes. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 11:33, 21 January 2014
Description
A size classification for small pyroclastic fragments of Lava. Lapilli means "little stones" in Latin. Formed by droplets of molten lava, cooled in the air, the stones range in size from 2 to 64 mm. Lapilli occur in spheroid, teardrop, dumbbell, or button-like shapes.
Synonyms and Related Terms
lapillus (singular); lapilli (Port.)
Authority
- Submitted information Comment: José Delgado Rodrigues, LNEC, 2009
- Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: Lapilli (accessed March 2010)