Card Set Information
rochambeau earth science mierzejewski volcano
A weak spot in the crust where magma has come to the surface.
The molten mixture of rock-forming substances, gases, and water from the mantle.
Liquid magma that reaches the surface; also the rock formed when liquid lava hardens.
Ring of Fire
A major belt of volcanoes that rims the Pacific Ocean.
A string of islands formed by the volcanoes along a deep-ocean trench.
An area where magma from deep within the mantle melts through the crust above it.
A substance that cannot be broken down into other substances.
A substance in which two or more elements are chemically joined.
Any characteristic of a substance that can be observed or measured without changing the composition of the substance.
Any property of a substance that produces a change in the composition of matter.
The resistance of a liquid to flowing.
A material found in magma that is formed from the elements oxygen and silicon.
A hot, fast-moving type of lava that hardens to form smooth, ropelike coils.
A slow-moving type of lava that hardens to form rough chunks; cooler than pahoehoe.
The pocket beneath a volcano where magma collects.
A long tube through which magma moves from the magma chamber to Earths surface.
The opening through which molten rock and gas leave a volcano.
The area covered by lava as it pours out of a volcanos vent.
A bowl-shaped area that forms around a volcanos central opening.
The expulsion of ash, cinders, bombs, and gases during an explosive volcanic eruption.
A volcano that is not currently active, but may become active in the future.
A volcano that is no longer active and is unlikely to erupt again.
A wide, gently sloping mountain made of layers of lava and formed by quiet eruptions.
A steep, cone-shaped hill or small mountain made of volcanic ash, cinders, and bombs piled up around a volcanos opening.
A tall cone-shaped mountain in which layers of lava alternate with layers of ash and other volcanic materials. aka stratovolcano
The large hole at the top of a volcano formed when the roof of a volcanos magma chamber collapses.
A deposit of hardened magma in a volcanos pipe.
A slab of volcanic rock formed when magma forces itself across rock layers.
A slab of volcanic rock formed when magma squeezes between layers of rock.
A mass of rock formed when a large body of magma cools inside the crust.
The heating of underground water by magma.
A fountain of water and steam that builds up pressure underground and erupts at regular intervals.