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14 Cards in this Set

  • Front
  • Back
Rock
a naturally occurring solid mixture of one or more minerals, or organic matter
Igneous
rock formed when magma or lava cools
Sedimentary
rock formed when layers of sediment are compacted and cemented together
Metamorphic
rock created when any type of rock is heated under pressure to the point that physical and chemical changes occur
Magma
molten rock below Earth's surface
Lava
molten rock released from a volcano
Detrital
sedimentary rocks that are composed of particles of weathered and eroded igneous, metamorphic, or other sedimentary rocks
Chemical
sedimentary rock formed when minerals crystallize out of solution to become rock
Organic
sedimentary rock formed from the remains of plants and animals
Intrusive
igneous rock formed by the crystallization of magma at a depth within the Earth
Extrusive
igneous rock formed by the cooling of rock on the Earth's surface
Foliated
metamorphic rock containing aligned grains of flat minerals in visible layers
Nonfoliated
metamorphic rock with mineral grains are not arranged in plains or bands; no visible layers
Rock Cycle
the natural process in which rocks transform from one rock type into another rock type over time