Imagine a rock tht melts in a lab oven at 800degreesC.?

Question

at what depth of 22 kilometers a temperature of 1,000 degrees celcius is required to melt the rock?Also,explain why the temperature required to melt our rock down deep i 200degreesC higher than that in the laboratory,which is more dense,solid rock or liquid rock,how does the overlying rock affect the meltin point of rock at depth?

Answer 1

i have a feeling that this is 4 summer math.....like my my friends son has.

Answer 2

do you own homework!

Answer 3

Higher temperature is required because of greater pressure.

I don't understand why you are asking for a depth when you have given a depth of 22 kilometers in your answer.

Solid rock has greater density than liquid rock.  The reason is because the solid rock becomes liquid due to heating.  As the rock is heated it expands.  The mass of the liquid rock (magma/lava) remains the same; however, the volume of the rock is greater, hence the density is less.

The amount and density of the overlying rock affects the melting point of buried rock by exerting pressure on the buried rock.  That pressure raises the melting point.