Question

What is the difference between foliated and non-foliated metamorphic rocks? A. The former display preferred orientation and/or compositional banding, whereas the latter do not. B. The former have bigger grains than the latter. C. The former are heavier than the latter. D. The former have a greater variety of minerals than the latter.

Answer 1

A. The former display preferred orientation and/or compositional banding, whereas the latter do not.

Step-by-step explanation:

Foliated metamorphic rocks -

These type of rocks have a banded or layered appearance which is developed due to heat and pressure , the examples are slate , schist , phyllite , gneiss .

Non - Foliated metamorphic rocks -

These type of rocks do not have any banded or layered appearance , the example of non - Foliated metamorphic rocks are - novaculite , quartzite , marble , hornfels .