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Gneiss is metamorphic rock that forms from preexisting sedimentary or igneous rocks. It is developed under high temperature and pressure conditions, causing it to become hard.
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How is gneiss similar to granite?
Granite is an igneous rock and gneiss is a metamorphic rock.
What major rock is foliated?
Slate, gneiss, schist. Metamorphic rocks. Just the foliated ones.
What is the world's oldest dated mineral?
The oldest mineral is somewhat controversial as the dating error of such old objects is millions of years; the oldest so far dated a zircon which is 4,404 million years ± 8 million years which is in a metamorphic gneiss in the Jack Hills of the Narryer Gneiss Terrane of Western Australia.
What rock comes after granite Is subjected to enough heat and pressure in the rock cycle?
When granite is subjected to enough heat and pressure, it becomes a metamorphic rock called gneiss.
Is pencil considered hard or brittle?
hard
Is gneiss soft or hard?
Gneiss is hard.
Is gneiss folaited or nonfolaited?
Gneiss is foliated.
What group is gneiss in?
A Gneiss is a Metamorphic rock
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.
How rare is gneiss?
Gneiss Is a rock that is classified into metamorphic. Gneiss is considered rare by people but isnt to rare
What is gneiss mineral group?
Gneiss is a rock, not a mineral.
What are the characteristics of gneiss?
Gneiss is foliated and coarse grained
Is an gneiss rock sedimentary rock?
No, gneiss is metamorphic.
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!
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.
What rock does gneiss come from?
Gneiss may come from either granite or schist.
How are granite and gneiss the same?
Granite and Gneiss are both rocks.
