Does igneous rock form from magma?

Answer 1

Magma (molten rock) rises from feeders or volcanic necks beneath the surface of the crust and flows from volcanic openings onto the surface. When magma reaches the surface, it is called lava.

When lava reaches the surface, it immediately begins to cool. During this cooling phase, the liquid lava solidifies much as liquid water would freeze if cooled sufficiently. The solidification occurs because of the crystallization of minerals from chemical components (iron, magnesium, silicon, oxygen) in the lava. The lava will transition from a liquid to either a form of natural glass, or to a rock, depending on the speed at which it cools. Obsidian, a natural glass, and basalt, an extrusive igneous rock, are both formed from cooling lava.

Answer 2

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Answer 3

Kind of. It's actually the other way round, magma cooling down form igneous rocks, either when the magma becomes trapped in pockets underground, or when volcanoes erupt and lava (magma) comes out of it.

Answer 4

Not necessarily. Intrusive igneous rock forms from molten rock that cools underground, where it is called magma rather than lava. Some rocks on the surface may form from deposits of ash rather than lava.

Answer 5

Igneous Rock formed from lave on the Earths surface is Extrusive or Volcanic Igneous Rock example is Basalt.

Answer 6

The magma (a liquid) cools and solidifies (becoming a rock).

Answer 7

magma cools to form igneous rock

Answer 8

yep.