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Folded gneiss refers to a type of metamorphic rock characterized by its banded appearance and the presence of folds in its structure. Gneiss forms under high temperature and pressure conditions, often from the metamorphism of granitic rocks, and the folding indicates significant tectonic activity. The bands typically consist of alternating layers of light and dark minerals, giving it a distinctive appearance. This rock is commonly found in regions that have undergone intense geological processes, such as mountain building.
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What type of crystals does gneiss rock have?
Gneiss usually consists of visible crystals of aligned mineral assemblages.
Can you use gneiss to build countertops?
Yes, you can. Gneiss is quite similar to granite.
Why can the composition of gneiss vary but overall texture cannot?
The texture defines the gneiss. If it varies, it's not gneiss. I'm studying the same thing! -8th Grader! :D
How rare is gneiss?
Gneiss is a common type of metamorphic rock found worldwide. It forms when pre-existing rocks are subjected to intense heat and pressure, resulting in a distinctive banded texture. While gneiss is not considered rare, specific types of gneiss with unique mineral compositions or origins may be less common.
Is gneiss magnetic?
no
What group is gneiss in?
A Gneiss is a Metamorphic rock
Is gneiss folaited or nonfolaited?
Gneiss is foliated.
Is an gneiss rock sedimentary rock?
No, gneiss is metamorphic.
What are the characteristics of gneiss?
Gneiss is foliated and coarse grained
What is gneiss mineral group?
Gneiss is a rock, not a mineral.
Where would gneiss be in the US?
Gneiss is a part of the earths lower crust. No matter where you drill you will eventually uncover gneiss.
Is gneiss nonbanded?
No. Gneiss has alternating light and dark bands.
Can gneiss metamorphose into phyllite?
No. Phyllite can metamorphose into schist and then into gneiss.
Is gneiss an example of igneous rock?
No. Gneiss is a metamorphic rock.
Does gneiss split with a hammer?
Yes, gneiss will split with a hammer.
What is a sentence for gneiss?
I am trying to find out what the other two types of rock besides gneiss form the Matterhorn. Gneiss is a metamorphic rock. That's a nice piece of gneiss!
What rock is gneiss from?
Gneiss can be formed by the metamrphism of either granite or schist.
