Lapilli

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https://term.museum-digital.de/md-de/tag/28536
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"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 (singular: lapillus) is Latin for "little stones".

By definition lapilli range from 2 to 64 mm (0.08 to 2.52 in) 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 with particles less than 2 mm in diameter is referred to as volcanic ash." - (en.wikipedia.org 12.11.2019)
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  • Lapillituff

    Lapillituff

    Tuff mit zahlreichen...

    Object information
    Image: Museum für Naturkunde Chemnitz - CC BY-SA

  • Láva, vulkáni hamu, lapilli

    Láva, vulkáni hamu, lapilli

    Mai neve: láva, Lelőhely:...

    Object information
    Image: Viski Károly Múzeum Kalocsa - RR-F

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