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Vocabular test #1

TermDefinition
Mineral a solid that is naturally occurring inorganic, and has a crystal structure and definite chemical composition.
crystal structure the orderly, repeating pattern of atoms in a crystal.
crystallization the process by which atoms form a solid with an orderly, repeating pattern.
streak the color of minerals powder.
luster the way a mineral reflects or obsorbs light on its surface
cleavage the breaking of a mineral on a smooth, flat surface.
fracture the breaking of a mineral along a rough or irregular surface.
ore a deposit o minerals that is large enough to be mined for a profit.
rock a naturally occurring solid composed of minerals
grain an individual particle in a rock
magma molten rock stored beneath the earths surface.
lava magma that erupts onto the earths surface
texture a rocks grain size and the way they fit together.
sediment rock material that forms when rocks are broken down into smaller pieces or dissolved in water as rocks erode.
foliation the texture that forms when uneven pressures cause flat minerals to line up, giving the rock a layerd look.
lithification the process through which sediment turns to rock.
rock cycle the series of processes that change one type of rock into another type of rock.
extrusive rock igneous rocks that form when volcanic material erupts, cools, and crystallizes on earths surface.
intrusive rock igneous rocks that form as magma cools underground
uplift the process that moves large bodies of earth materials to higher elevations.
deposition the process of changing directly from a gas to a solid
Created by: Maddieyork
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