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Probably because the subsurface ice in a glacier has recrystallized, much as the minerals in some sedimentary rock do when undergoing metamorphism.

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How do geologists classify metamorphic rock?

Geologists classify metamorphic rocks by the arrangements of the grains that make up the rocks.


Do geologists classify metamorphic rocks by the arrangement of grains making up the rock?

Yes.


Why don't geologists find fossils in a metamorphic rock?

Metamorphic rock is formed deep in the Earth's crust under tremendous heat and pressure. Fossiles are formed in sedimentary rock near the surface.


Of the following is not a metamorphic agent?

Force of Hurricane winds Glacial meltwater


What type of metamorphic texture has no banding?

No banding or alignment of a metamorphic rock's minerals would be consider non-foliated.


What is the hardest igneous rock?

Probably orthoquartzite, although some consider it a metamorphic rock.


What is metamorphic foliation?

Metamorphic foliation is a preferred orientation of mineral grains within a metamorphic rock caused by pressure during metamorphism. This alignment creates a parallel arrangement of minerals, giving the rock a layered or banded appearance. Foliation helps geologists understand the history and deformation conditions of rocks during metamorphism.


Are fossilis preserved in metamorphic rocks?

Yes they are. Structural geologists commonly use them to estimate the strain that the rock has undergone by measuring their change in shape.


What type of rock is slate?

A metamorphic rock.


What can you find in a metamorphic rock?

in a metamorphic rock you find rock.


Is chert a metamorphic rock?

Chert is NOT a metamorphic rock.


Can metamorphic rock form out of other metamorphic rock?

No.