Rock cycle

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Extrusion
The emission of magma onto the Earth's surface where it forms a lava flow.
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Weathering
The breakdown of rocks in situ
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Erosion
The removal of weathered material usually by the physical action of transported fragments
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Transport
The means by which weathered material is moved from one place to another by water wind ice gravity
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Deposition
Laying down of sediment that occurs when a transporting agent loses
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Burial
When sediment is covered by younger layers of sediment accumulating on top of it
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Diagenesis
All processes that take place in sediments at low temperature and pressure at or near the Earth's surface
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Recrystallisation
The solid state process that changes minerals into new crystalline metamorphic minerals
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Metamorphism
Changing of rocks in the Earth's crust by heat and or pressure or volatile content, isochemical and occurs in a solid state.
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Partial melting
Incomplete melting of rock in the lower crust or upper mantle
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Magma accumulation
magma collecting within a chamber
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Crystallisation
During the cooling of magma or lava so that solid mineral crystals form
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Intrusion
Igneous rock formed below the Earth's surface, the magma can be forced into pre-existing rocks.
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Uplift
Return of buried rocks in the Earth's surface by tectonic forces.
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Thin section
A thin slice of rock that is translucent mounted on a glass slide and viewed through a microscope.
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Rock
Aggregate or mixture of one or more minerals
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Minerals
Naturally occurring inorganic crystalline compounds with a definite chemical composition
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Clast
Fragment of broken rock
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Sedimentary rock
A rock composed of fragments that have been deposited compacted and cemented
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Igneous rock
A rock that has crystallised from a magma
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Silicates
Most important abundant group of rock forming minerals with an atomic structure containing sio4 arranged as tetrahedra
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Metamorphic rock
Formed by the recrystallisation of other rocks in the solid state due to pressure temperature or both
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Foliation
A texture in metamorphic rocks formed by the preferred alignment of flat tabular minerals
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Geological column
Table that contains all the eras and systems in the correct time sequence
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Era
A major unit of time that contains several periods/systems
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System
Rocks laid down in a named time period and is shorter than an era.
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Other cards in this set

Card 2

Front

The breakdown of rocks in situ

Back

Weathering

Card 3

Front

The removal of weathered material usually by the physical action of transported fragments

Back

Preview of the back of card 3

Card 4

Front

The means by which weathered material is moved from one place to another by water wind ice gravity

Back

Preview of the back of card 4

Card 5

Front

Laying down of sediment that occurs when a transporting agent loses

Back

Preview of the back of card 5
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