Rocks are composed of only one mineral.
Rocks do not contain minerals.
Coal is not considered a rock.
Most rocks are a mixture of minerals.
Heat and pressure
The cooling of magma
Compaction of sediments
The melting of rock
Magma or lava cools, forming igneous rocks.
Sediments melt deep beneath Earth's surface.
Extreme heat and pressure form metamorphic rocks.
Rocks at Earth's surface are broken down into smaller pieces.
Intrusive metamorphic rock.
Intrusive igneous rock.
Extrusive sedimentary rock.
Extrusive igneous rock.
Erosion, weathering, compaction, cementation, deposition
Compaction, cementation, deposition, weathering, erosion
Deposition, cementation, compaction, erosion, weathering
Weathering, erosion, deposition, compaction, cementation
Intrusive igneous rocks.
Extrusive igneous rocks.
An extrusive igneous rock.
An intrusive igneous rock.
A sedimentary rock.
A metamorphic rock.
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