Regional contact and cataclastic.
Is marble a foliated or nonfoliated rock.
Non foliated metamorphic rocks are rocks that have been changed by heat and pressure into rocks with a non layered or banded appearance.
Some examples of non foliated metamorphic rocks include quartzite marble amphibolite and hornfels.
Some common types of metamorphic rocks that can be found in these two categories are.
The minerals in the rock are aligned and look platey or banded according to how pressure was applied to the rock during that phase.
Foliated metamorphic rocks such as gneiss phyllite schist and slate have a layered or banded appearance that is produced by exposure to heat and directed pressure.
Some examples of foliated rocks include slate phyllite schist and gneiss.
Examples of foliated metamorphic rocks would be schist gneiss and slate.
Amphibolite argillite cataclasite eclogite gneiss greenstone hornfels marble migmatite mylonite phyllite and schist.
Non foliated metamorphic rocks such as hornfels marble quartzite and novaculite do not have a layered or banded appearance.
Some non foliated rocks include marble amphibolite and quartzite.
Examples of nonfoliated rocks include anthracite coal hornfels.