#lapilli — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #lapilli, aggregated by home.social.
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@Puntopanto Grazie per la condivisione di #Lapilli, avere degli strumenti per orientarsi è fondamentale 😃
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Marco ci lavora da un po' ed io l'avevo citato nell'ultimo post della mia newsletter #lapilli https://eleonorapanto.substack.com/p/lapilli-27-il-futuro-del-riassunto
@maupao @nilocram @iamarf @[email protected] @[email protected]
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Lapilli (Petrology 💎)
Lapilli is a size classification of tephra, which is material that falls out of the air during a volcanic eruption or during some meteorite impacts. Lapilli is Latin for "little stones". By definition lapilli range from 2 to 64 mm in diameter. A pyroclastic particle greater than 64 mm in diameter is known as a volcanic bomb when molten, or a volcanic block when solid. Pyroclastic material...
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@vickyveritas I confess I’m not sure what ignimbrite really means, in terms of mineralogy or deposition. But I have a photo of a possible #lapilli tuff in the #Blackstone Group in #RhodeIsland (that I’ve posted before, it’s associated with mafic pillows but appears felsic).
#igneous #ignimbrite #fujifilm #XH1 27mm f/2.8 f/8 1/125 s ISO 800