What are the two types of metamorphic rocks?
Metamorphic rocks are broadly classified as foliated or non-foliated. Non-foliated metamorphic rocks do not have aligned mineral crystals. Non-foliated rocks form when pressure is uniform, or near the surface where pressure is very low.
What are the three types of rocks Class 7?
Answer: the three types of rocks are:
- Igneous Rocks.
- Sedimentary Rocks.
- Metamorphic Rocks.
What are some interesting facts about metamorphic rocks?
Interesting Metamorphic Rocks Facts: Metamorphic rock is formed under extreme pressure combined with heat over time. Metamorphic rocks are so called because they always begin as another type of rock. When slate forms, some of the clay from the original rock is replaced by the mineral mica.
What are facts about metamorphic rocks?
Marble and slate are examples of metamorphic rock.
What are the features of metamorphic rocks?
Igneous — they form from the cooling of magma deep inside the earth.…
What are the types of metamorphic rocks?
Abstract. Seismic reflectors in the uppermost mantle,which can indicate past plate tectonic subduction,are exceedingly rare below Archaean cratons,and restricted to the Neoarchaean.