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  2. 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.

  3. Magma - Wikipedia

    en.wikipedia.org/wiki/Magma

    Magma can be found in the mantle or molten crust. Magma (from Ancient Greek μάγμα (mágma) 'thick unguent') is the molten or semi-molten natural material from which all igneous rocks are formed.

  4. 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.

  5. 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]

  6. Magmatism - Wikipedia

    en.wikipedia.org/wiki/Magmatism

    Magmatism is the emplacement of magma within and at the surface of the outer layers of a terrestrial planet, which solidifies as igneous rocks. It does so through magmatic activity or igneous activity , the production, intrusion and extrusion of magma or lava .

  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.