Magma is a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the ... By definition rock formed of solidified magma is called igneous rock. While the study of magma has historically relied on observing magma in ...
Magma definition, Geology. molten material beneath or within the earth's crust, from which igneous rock is formed. See more.
magma definition, meaning, what is magma: hot liquid rock found just below the surface of the earth. Learn more.
Define magma: hot liquid rock below the surface of the Earth.
That red hot liquid rock that spews violently out of erupting volcanoes? That's lava. But before the lava rises to the earth's surface it's called magma.
n. pl. mag·ma·ta or mag·mas. 1. Geology The molten rock material under the earth's crust, from which igneous rock is formed by cooling. 2. Pharmacology A ...
Meaning, pronunciation, example sentences, and more from Oxford Dictionaries. ... 'when red-hot magma comes into contact with seawater, an explosion results ...
Oct 31, 2014 ... Being that oxygen and silicon are the most abundant elements in magma, geologists define magma types in terms of their silica content, ...