Metamorphism

Which of the following statements describe metamorphism?

• process of rock formation

• change in rock formation

• process which involves changes

• change that takes place within body of rock once expose to different conditions

Which of the following metamorphism is affected by heat and reactive fluid?

• contact only

• regional only

• both contact nor regional

• neither contact nor regional

Which of the following is an example of rock produced by a contact metamorphism?

• slate

• gneiss

• marble

• hornfels

Which of the following led to the formation of deformed rocks with foliation?

• volume of air entering the rocks

• temperature and rising of magma

• temperature and volume of minerals

• pressure and recrystallization of minerals

What is the effect of heat and pressure in rocks as there is an increase in depths?

• foliation surfaces shine

• low -grade metamorphism

• grain size becomes coarse

• increase in mineral alignment

Which of the following is the main factor in the process of regional metamorphism?

• air

• water

• pressure

• temperature

Which of the following rock samples is less influenced by the heat?

• slate

• schist

• gneiss

• phyllite

How do you know the grain size texture of hornfels?

• fine

• coarse

• coarse to fine

• medium coarse

All of the following samples are included in non-foliated classification of metamorphic rock EXCEPT

• marble

• phyllite

• honrfels

• metaconglomerate

What happened to the temperature and pressure if the rocks are buried down deep?

• increases

• decreases

• remain constant

• intermittently degrading