Geology Rock and Mineral Formation

STUDY
PLAY

Terms in this set (...)

weathering
The breaking down of rocks and other materials on the Earth's surface.
erosion
Process by which weathered rock and soil are moved from one place to another.
deposition
Process in which sediment is laid down in new locations.
fault
A break in the earth's crust
mineral
a naturally occurring, inorganic solid that has a crystal structure and a definite chemical composition
crystal
a solid in which the atoms or molecules are arranged in a definite pattern that is repeated over and over again
streak
the color of a minerals powder
luster
The way a mineral reflects light
cleavage
a mineral's ability to split easily along flat surfaces
fracture
the way a mineral looks when it breaks apart in an irregular way
texture
the size, shape and pattern of a rock's grains
rock
the material that forms Earth's hard surface
igneous rock
a type of rock that forms from the cooling of molten rock at or below the surface
metamorphic rock
A type of rock that forms from an existing rock that is changed by heat, pressure, or chemical reactions
sedimentary rock
A type of rock that forms when particles from other rocks or the remains of plants and animals are pressed and cemented together
rock cycle
a series of processes on the surface and inside Earth that slowly changes rocks from one kind to another
intrusive rock
Igneous rock that forms when magma hardens beneath Earth's surface.
extrusive rock
Igneous rock that forms from lava on Earth's surface