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  • Lava - Wikipedia
    The solid volcanic rock resulting from subsequent cooling of the molten material is often also called lava A lava flow is an outpouring of lava during an effusive eruption (An explosive eruption, by contrast, produces a mixture of volcanic ash and other fragments called tephra, not lava flows )
  • Lava | Types, Composition, Temperature, Facts | Britannica
    Lava, magma (molten rock) emerging as a liquid onto Earth’s surface The term ‘lava’ is also used for the solidified rock formed by the cooling of a molten lava flow
  • Magma - National Geographic Society
    Magma is extremely hot liquid and semi-liquid rock located under Earth’s surface When magma flows onto Earth’s surface, it is called lava
  • What is a lava? - The Institute for Environmental Research and Education
    Lava is molten rock that has erupted onto the Earth’s surface (or the surface of another planet or moon) This extrusive igneous rock, distinguished from magma (molten rock beneath the surface), solidifies upon cooling, forming various volcanic rock formations
  • Lava Flows - Woods Hole Oceanographic Institution
    When a volcano erupts, the molten rock that comes out of the Earth is called lava Lava is so hot, it remains molten and flows until it cools and hardens into rock
  • How is lava formed? | Volcano World | Oregon State University
    First, there is a definition we need to make Just to keep things straight, geologists use the word "magma" for molten rock that is still underground, and the word "lava" once it has erupted onto the surface
  • Lava - New World Encyclopedia
    The hardened formation is called " lava flow," whereas the material that still contains molten rock is called an " active lava flow " The rock formed from solidified lava (or magma) is called igneous rock
  • What is Lava? - Universe Today
    But what is it? What is lava, and how does it get so hot? You're standing on the Earth's crust right now But beneath your feet, the interior of the Earth gets must hotter




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