Usually have a rougher texture
Sedimentary rocks have layers, not metamorphic rocks.
nonfoliated rocks
Metamorphic rocks that do not exhibit foliation.
a banded texture
Foliated are made of interlocking crystals, non-foliated are not.
Lack of banding
marble, quartzite, cataclasite, metabasalt
Neither. The terms foliated and nonfoliated apply to metamorphic rocks. Andesite is igneous.
Examples of non-foliated metamorphic rocks are quartzite and marble.
foliated and nonfoliated
foliated or nonfoliated
crytal structure