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  2. Magma - Wikipedia

    en.wikipedia.org/wiki/Magma

    Magma (sometimes colloquially but incorrectly referred to as lava by laypeople) is found beneath the surface of the Earth, and evidence of magmatism has also been discovered on other terrestrial planets and some natural satellites. [3] Besides molten rock, magma may also contain suspended crystals and gas bubbles.

  3. Magmatic water - Wikipedia

    en.wikipedia.org/wiki/Magmatic_water

    Magmatic water, also known as juvenile water, is an aqueous phase in equilibrium with minerals that have been dissolved by magma deep within the Earth's crust and is released to the atmosphere during a volcanic eruption.

  4. Magma chamber - Wikipedia

    en.wikipedia.org/wiki/Magma_chamber

    A magma chamber is a large pool of liquid rock beneath the surface of the Earth. The molten rock, or magma, in such a chamber is less dense than the surrounding country rock, which produces buoyant forces on the magma that tend to drive it upwards. [1]

  5. Surtseyan eruption - Wikipedia

    en.wikipedia.org/wiki/Surtseyan_eruption

    Surtseyan eruption. Surtseyan eruption: 1 water vapor cloud, 2 cypressoid ash jet, 3 crater, 4 water, 5 layers of lava and ash, 6 stratum, 7 magma conduit, 8 magma chamber, 9 dike. A Surtseyan eruption is an explosive style of volcanic eruption that takes place in shallow seas or lakes when rapidly rising and fragmenting hot magma interacts ...

  6. Tholeiitic magma series - Wikipedia

    en.wikipedia.org/wiki/Tholeiitic_Magma_Series

    A magma series is a chemically distinct range of magma compositions that describes the evolution of a mafic magma into a more evolved, silica rich end member. Rock types of the tholeiitic magma series include tholeiitic basalt, ferro-basalt, tholeiitic basaltic andesite, tholeiitic andesite, dacite and rhyolite.

  7. Sill (geology) - Wikipedia

    en.wikipedia.org/wiki/Sill_(geology)

    A sill is a concordant intrusive sheet, meaning that it does not cut across preexisting rock beds. Stacking of sills builds a sill complex [1] and a large magma chamber at high magma flux. [2] In contrast, a dike is a discordant intrusive sheet, which does cut across older rocks.