its a sqaure shape
No, gneiss is metamorphic.
No. Gneiss is a metamorphic rock.
Gneiss is an example of a metamorphic rock.
A Gneiss is a Metamorphic rock
Gneiss may come from either granite or schist.
Gneiss is a banded metamorphic rock.
Granite is an igneous rock and gneiss is a metamorphic rock.
Gneiss is a metamorphic rock and its parent rock (protolith) could be a granite or schist.
Gneiss is a rock, not a mineral.
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!
A Gneiss rock is somewhat dark-greenish, depending on when it was made.
Gneiss usually consists of visible crystals of aligned mineral assemblages.