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16 Cards in this Set

  • Front
  • Back
Rock cycle
the process by which one rock type changes into another rock type
extrusive rock
igneous rock that forms when lava cools and solidifies on the Earth's surface
magma
hot liquid that forms when rock partially or completely melts
fissures
long cracks in the Earth's surface
composition
the makeup of a rock, usually according to the minerals present in it
igneous rock
rock that forms when magma or lava cools or solidifies
sedimentary rock
rock that forms when sediments are pressed and cemented together
nonfoliated
the texture of metamorphic rock in which mineral grains show no alignment
intrusive rock
igneous rock that forms when magma cools or solidifies BENEATH THE EARTH'S SURFACE
Stratification
the layering of sedimentary rock
Texture
the sizes, shapes, and arrangment of grains that make up a rock
rock
a solid mixture of crystals of one or more minerals
foliated
the texture of metamorphic rock in which mineral grains are aligned
lava
hot liquid that erupts onto the Earth's surface
Metamorphic rock
rock that forms when the texture and composition of a preexisting rock changes due to heat or pressure
strata
the layers of sedimentary rock