Science
Terms
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- Intrusive Igneous rock
- rock formed from the cooling and solidification of magma beneath Earth's surface.
- Non-Foliated
- The metamorphic rock texture in which mineral grains are not arranged in plains or bands.
- Chemical sedimentary rock
- Sedimentary rock that forms when minerals precipitate from a solution or settle from a suspension.
- Organic sedimentary rock
- Sedimentary rock that forms from the remains of plants and animals.
- Felsic
- describes magma or igneous rock that is rich in feldspars and silica and that is generally light in color.
- Igneous rock
- rock that forms when magma cools and solidifies.
- Clastic sedimentary rock
- Sedimentary rock that forms when fragments of preexisting rocks are compacted or cemented together.
- Bowen's reaction series
- The simplified pattern that illustrates the order in which minerals crystallize from cooling magma according to their chemical composition and melting point.
- Mafic
- Describes magma or igneous rock that is rich is magnesium and iron that is generally dark in color.
- Extrusive Igneous rock
- Rock that forms from the cooling and solidification of lava at Earth's surface
- Compaction
- The process in which the volume and porosity of a sediment is decreased by the weight of overlaying sediments as a result of burial beneath other sediments.
- Regional metamorphism
- A change in texture, structure, or chemical composition of a rock due to changes in temp. and pressure over a large area, generaly as a result of tectonic forces.
- Contact metamorphism
- A change in texture, structure, or chemical composition of a rock due to contact with magma.
- Metamorphism
- The process in which one type of rock changes into metamorphic rock because of chemical processes or changes in temperature and pressure.
- Cementation
- The process in which minerals precipitate into pore spaces between sediment grains and bind sediments together to form rock.
- Foliation
- The metamorphic rock texture in which mineral grains are arranged in plains or bands.
- Rock Cycle
- The series of processes in which rock forms, changes from one type to another, is destroyed, and forms again by geological processes.