towards the surtace Which of the following words is NOT associated writh metamorphism? 24. A. heat B. mantle What is the effect of heat and pressure in rocks as there is an increase in C. pressure D. weathering 25. depth? A. foliation surfaces shine B. low-grade metamorphism What is the main factor that affects regional metamorphism? C. grain size becomes coarse D. increase in mineral alignment 26. A. heat B. fluid Which of the following rock sample contains fine texture? C. water D. pressure. 7. A. gneiss B. hornfels What rock is the result of the metamnorphism of sandstones? C. quartzite D. meataconglomerate B. A. slate B. quartzite What are the main factors for contact metamorphism to occur? A. air and water B. heat and reactive fluid How do you describe the grain size texture of Hornfels? A. It has fine texture B. It has coarse texture C. marble D. phyllite C. temperature and water D. pressure and temperature C. It has coarse to fine texture D. It has medium coarse textu

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