Using the figure above and knowing that pressure increases with depth, if you mo

Question

Using the figure above and knowing that pressure increases with depth, if you move a “dry granite” from a depth at point A to a depth at point B, the granite would be_______?

Question 9 options:

at a lower pressure and solid

at a higher pressure and solid

at about the same temperature and solid

at a much lower temperature and solid

None of the above

a)

at a lower pressure and solid

b)

at a higher pressure and solid

c)

at about the same temperature and solid

d)

at a much lower temperature and solid

e)

None of the above

Temperature (c) 600 Point B- 400 800 000 1200 Melting curve (dry basalt) (wet granite) 10 20 Point A Melting curve (dry granite) 30

Explanation / Answer

At lower pressure and solid. Usually at that given temperqture in the graph which is more than 800°C , if the granite would have been in depth like at point A , it would defenitely be in melting state and the curve also is showing the same. But here at point B, the temperature is same but the depth is nit there. Means its almost near to the surface. So gry granite should not be melted completely.. Mostly it seems to be a.solid and at low pressure

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