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The existing minerals are re-formed by the heat and pressure into a new assembly of minerals, at least in part to minimize the volume. The new minerals will crystallize out at their natural freezing points, and some of the micas are the last to crystallize out.
The time of this terminal event is taken as the age of the rock or of that metamorphic event.
What else can I help you with?
What are some identifying characteristics forfoliated metamophic rock?
minerals are lined up
What is a sentence for metamorphic rock?
Metamophic rock came from the volcano and it's part of rocks and minerals.
What happens to the minerals when the rock becomes metamorphic?
Minerals may get changed to other minerals forming a new rock. Mineral grains also become aligned in response to the increased pressure.
What happens to the minerals when a rock becomes a metamorphic rocks?
Minerals may get changed to other minerals forming a new rock. Mineral grains also become aligned in response to the increased pressure.
What happens to the mineral when a rock becomes metamorphic?
Minerals may get changed to other minerals forming a new rock. Mineral grains also become aligned in response to the increased pressure.
Is sandstone an igneous metamophic or sedimentary rock?
Sandstone is a sedimentary rock
What are the characteristics or properties of metamophic rock?
foliations and lineations
What happens if the percentage of felsic minerals in a rock increase?
If the percentage of felsic minerals in a rock increases, the rock will become lighter in color and less dense. Felsic minerals are rich in silica and aluminum, so the rock may also become more viscous when melted. Additionally, the rock's melting temperature may decrease.
What does metamophic rock turn into before it turns into igneous rock?
melt (magma or lava)
What happens to the minerals in a foliated rock?
boob
What happens to the minerals in foliated rock?
boob
What happens to a sedimentary rock after weathering?
I becomes sediments again or becomes igneous or metamorphic rock
