Intrusive Igneous Formations
Terms in this set (10)
A rock that is formed by the crystallization of molten magma or lava.
A general term for igneous structures that form beneath the earth's surface. These form beneath earth's surface and can only be studied after uplifting and erosion expose them.
Largest intrusive igneous rock body that forms when magma being forced upward toward Earth's crust cools slowly and solidifies underground
Relatively small, mushroom-shaped pluton that forms when magma intrudes into parallel rock layers close to Earth's surface.
A slab of volcanic rock formed when magma forces itself across rock layers. Feature runs discordant to existing rock layers.
A slab of volcanic rock formed when magma squeezes between layers of rock concordant to the existing rock layers.
Plutons that form parallel to surrounding rock
Plutons that form perpindicular to surrounding rock
A term for relatively small plutons such as dikes or sills
A term for relatively large plutons such as batholiths
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