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No. Extrusive igneous rocks are usually layered. Some metamorphic rocks have foliation, which resembles layering, but it is not the same thing.
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Foliation is a geologic term that is used to describe the appearance of metamorphic rocks. Foliated metamorphic rocks such as gneiss display banding and regrouping of its mineral constituents as a result of enormous pressures and heat. The banding forms perpendicularly to the direction of pressure. The pressure is usually related to tectonic plate collisions. Schist is another type of foliated rock that exhibits thin layering of micaceous minerals, once again due to pressure and heat. The difference between these two types of foliated rock lies in the rock from which they were derived. Non-foliated metamorphic rocks such as quartzite and marble do not display the banding or layering that are present in foliated rocks. This is because their parent rock was usually sedimentary and more pure in mineral composition than the parent rocks of foliated rocks.
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The rock cycle is how one type of rock can be changed into another type of rock.
sedimentary
No. Extrusive igneous rocks are usually layered. Some metamorphic rocks have foliation, which resembles layering, but it is not the same thing.
Gneiss is a type of metamorphic rock. It is usually grey or pink toned with the look of dark layering or streaking. It is considered medium to coarse grained.
The rock cycle
rock cycle
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the rock cycle is correct
Foliated is the general descriptive term used to describe the layering or banding of metamorphic rock.
Zinc with a thin outer layering of copper
Non-foliated metamorphic rock is composed of non-layered visible mineral crystals.
Igneous rock does not normally preserve fossils. But hot rock or ash will occasionally preserve the shape as a molded impression.The rock you most likely will find a rock in is a sedimentary rock because the pattern of the organisms in the sediment is preserved.