That they have undergone some form of change.
For more information on metamorphic rocks please see the related question.
metamorphic
Sedimentary rocks have layers, not metamorphic rocks.
They are both rocks
Metamorphic rocks in which the minerals show no alignment are called non-foliated metamorphic rocks.
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.
metamorphoc rocks get there name from metamorphisis
shale
No. Metamorphic rocks can also from front sedimentary rocks and from other metamorphic rocks.
metamorphic
Igneous, metamorphic, and sedimentary rocks can be changed by high temperatures and pressure, and the resultant rock is called metamorphic, because its form has been changed.
Metamorphic rocks
It is a type of Metamorphic rock
Sedimentary rocks have layers, not metamorphic rocks.
igneous, sedimentary, metamorphic
metamorphic rock
Metamorphic rocks can form from both igneous and sedimentary rocks
Metamorphic rocks can form from both igneous and sedimentary rocks