- Study guides, Class notes & Summaries

Foliation - ANSWERS* Planes of minerals formed in response to stress * A feature of many metamorphic rocks * crystals rearrange into layered planes depending on the type and orientation of the stress during metamorphism Foliation planes are recognized by: - ANSWERS* The preferred orientation of minerals * alternating bands of different minerals * the flattening and stretching of minerals * foliation forms by physical rotation of preexisting minerals Non-foliated rocks are named primarily a...