Лава вулканічная Гл. таксама | Зноскі НавігацыяNational Geographic — Ol Doinyo Lengai
Вулканізм
экструзіягорных пародЗямлівулканаўплатоТэмпература
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Лава вулканічная
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Лава — распалены вадкі (эфузія) або вельмі глейкі (экструзія), расплаў горных парод, пераважна сілікатнага складу (SiO2 прыкладна ад 40 да 95 %), выліваецца на паверхню Зямлі пры вывяржэнні вулканаў. Пры застыванні лавы ўтвараюцца эфузіўныя горныя пароды, можа ўтварыцца лававае плато. Тэмпература лавы вагаецца ў межах ад 500[1] да 1200 °C.
Адрозненне ад магмы — няма газаў, што ўзнікаюць пры вывяржэнні.
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