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Lava is molten or partially molten rock ( magma) that has been expelled from the interior of a terrestrial planet (such as Earth) or a moon onto its surface. Lava may be erupted at a volcano or through a fracture in the crust, on land or underwater, usually at temperatures from 800 to 1,200 °C (1,470 to 2,190 °F).
Aug 6, 2023 · Lava: Once magma reaches the Earth’s surface and begins to flow, it is termed lava. The emergence happens through volcanic eruptions or fissures. Comparing Magma vs Lava. In addition to location, magma differs from lava in other respects, too. These include chemical composition, temperature, composition, and behavior. Location
Jun 9, 2024 · 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. The temperatures of molten lava range from about 700 to 1,200 °C (1,300 to 2,200 °F).
May 8, 2018 · When geologists refer to magma, they're talking about molten rock that's still trapped underground. If this molten rock makes it to the surface and keeps flowing like a liquid, it's called lava...
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Jan 15, 2018 · Lava rivers spread into bleak landscapes. But as time ticks by, the elements break down these volcanic rocks, liberating nutrients from their stony prisons and creating remarkably fertile soils...
Get immersed in a volcanic landscape with bubbling lava, spewing eruptions, and colliding rivers of fire. Subscribe: http://bit.ly/NatGeoSubscribe#NationalG...
May 30, 2018 · Previously obscure terms like laze (lava and haze), vog (volcanic and smog/fog), and pahoehoe and a'a (types of lava flows) are becoming part of the lexicon. But how much do you really know...
Mar 25, 2009 · [/caption] As you probably know, lava is the molten rock that comes out of volcanoes during eruptions. But what is it? What is lava, and how does it get so hot?
Feb 27, 2023 · Unlocking clues to volcanic behavior. Lava lakes are among the planet’s most unusual geological features. Though there are about 1,500 active volcanoes on Earth, Mount Michael is only the eighth...
