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When metamorphism of granite into gneiss what happens to the minerals?
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How are gneiss rocks different that granite rocks?
Gneiss rocks are products of metamorphism while granite rocks are derived from igneous activity.
What would you call a granite that has undergone metamorphism and now exhibits foliation?
gneiss
What is the streak color gneiss?
Bearing in mind that Gneiss is not a mineral, and that it is very hard, Gneiss does not leave a streak, but scratches the plate (don't try it - this is not how you classify Gneiss). Gneiss is classified by its Gneissose Banding - distinct bands of light Feldspar/Quartz and dark Micas. It is also classified by the extent of metamorphism which has taken place.
What is the parent rock of migmatite?
granite. it's very simmilar to Gneiss but lower grade of metamorphism
What are the differences between para-gneiss and orthogneiss?
Gneiss which is formed frm the metamorphism of ignous rock is known as orthogneiss and gneiss which is formed from the metamorphism of sedimentary rocks is known as paragneiss.
During metamorphism of granite into gneiss what happens to the minerals?
With the extreme heat and pressure causing the metamorphism into gneiss, the constituent minerals recrystallize into bands, usually alternating from light colored to dark, perpendicular to the direction of the pressure which is being applied. The exact cause of the banding is not fully understood at this time.
What happens to minerals during metamorphism of granite into gneiss?
With the extreme heat and pressure causing the metamorphism into gneiss, the constituent minerals recrystallize into bands, usually alternating from light colored to dark, perpendicular to the direction of the pressure which is being applied. The exact cause of the banding is not fully understood at this time.
During metamorphism of granite gneiss what happens to minerals?
With the extreme heat and pressure causing the metamorphism into gneiss, the constituent minerals recrystallize into bands, usually alternating from light colored to dark, perpendicular to the direction of the pressure which is being applied. The exact cause of the banding is not fully understood at this time.
What type of rock would result from the metamorphism of granite?
Granite is Igneous rock. It crystallizes from hot melt (magma). Metamorphic rocks can be found associated with granite as result of their contact with country (surrounding) rocks. This will be a contact metamorphism. Metamorphism of granite it self results into granitic gneisses which are coarse foliated rocks.
How are gneiss rocks different that granite rocks?
Gneiss rocks are products of metamorphism while granite rocks are derived from igneous activity.
What would you call a granite that has undergone metamorphism and now exhibits foliation?
gneiss
What geologic process change granite igneous rock into gneiss metamorphic rock?
Heat and pressure cause granite to change to gneiss.
What is the streak color gneiss?
Bearing in mind that Gneiss is not a mineral, and that it is very hard, Gneiss does not leave a streak, but scratches the plate (don't try it - this is not how you classify Gneiss). Gneiss is classified by its Gneissose Banding - distinct bands of light Feldspar/Quartz and dark Micas. It is also classified by the extent of metamorphism which has taken place.
What is the parent rock of migmatite?
granite. it's very simmilar to Gneiss but lower grade of metamorphism
What would distinguish marble from Schist?
Marble is a nonfoliated metamorphic rock made of carbonate minerals, particularly calcite. It is formed by the metamorphism or limestone. Gneiss is a foliated metamorphic rock made of silicate minerals such as quartz and feldspars, and micas. It forms from the metamorphism of granite or schist.
How are granite and gneiss the same?
Granite and Gneiss are both rocks.
What happens to granite when it is subjected to high heat and pressure?
It metamorphoses into gneiss
