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Chapter 4

QuestionAnswer
Rock is a natural solid mixture of minerals or grains
Grains geologist call the fragments that make up a rock
Texture the grain size and the way grains fit together in a rock
Magma molten or liquid rock underground
Lava molten rock that erupts on earth's surface
Sediment rock material that forms where rocks are broken down int smaller pieces or dissolved in water as rocks erode
Rock Cycle the series of process that change one type of rock into another type of rock
Extrusive rock Earth's surface, it forms a type of igneous rock
Volcanic glass rock that forms when lava cools too quickly to form crystals
Intrusive igneous rock that form as magma cools underground
Compaction the weight from layers of sediment forces out fluids and decreases the space between grains
Cementation minerals dissolve in water crystallize between sediment grains
Clastic sedimentary rocks that are made up of broken pieces of minerals and rock fragments
Clasts the broken pieces and fragments
Chemical rock from when minerals crystallize out of the water and form minerals
Biochemical rock sedimentary rock that was formed by organisms or contains the remains of organism
Metamorphism any process that affects the structure or composition of a rock in a solid state as a result of change in temperature pressure, or the addition of chemical fluids
Foliated rocks contain parallel layers of flat and elongated minerals
Nonfoliated rocks metamorphic rock that have mineral grains with a random, interlocking texture
Created by: Lorena R.
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