Foliated rocks are metamorphic rocks that look like they have layers or the appearance of layers. Non-foliated rocks are metamorphic rocks without any foliation.
non-foliated.
a banded texture
Foliated--those exhibiting layering (gneiss, slate, schists), and non-foliated--without layers (marble, quartzite).
A banded texture
Geologist classify metamorphic rocks according to the arrangement of the grains that make up the rocks and also it either being foliated or nonfoliated
Foliated are made of interlocking crystals, non-foliated are not.
Neither. The terms foliated and nonfoliated apply to metamorphic rocks. Andesite is igneous.
non-foliated.
a banded texture
foliated and nonfoliated
foliated or nonfoliated
At varying depths under the surface.
Foliated--those exhibiting layering (gneiss, slate, schists), and non-foliated--without layers (marble, quartzite).
Examples of non-foliated metamorphic rocks are quartzite and marble.
They are called foliated metamorphic rocks, and are said to exhibit foliation.
A banded texture
Foliation is an attribute of certain metamorphic rocks. Sandstone is a sedimentary rock that is not described as foliated or non-foliated.