According to the geothermal gradient, rocks at 500 degrees...

According to the geothermal gradient, rocks at 500 degrees Celsius will be buried how deep?
At 500 degrees Celsius, rocks will be buried to about _________ $\mathrm{km}$ depth.
a. 8
b. $12.5$
c. 20
d. 27

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Key Concepts

Geothermal Gradient

The geothermal gradient refers to the rate at which temperature increases as one moves deeper into the Earth's crust. It is a key concept in geophysics and helps in estimating the temperature at specific depths, which is important for understanding geological processes and resource exploration.

Temperature-Depth Relationship

This concept describes the correlation between the depth below the Earth’s surface and the corresponding increase in temperature. It is fundamental in the fields of geology and geothermal energy as it provides insights into the thermal structure of the Earth, allowing scientists to model subsurface conditions accurately.

Heat Transfer in the Earth's Crust

Heat transfer within the Earth, primarily through conduction, establishes the geothermal gradient. This process explains how heat from the Earth’s interior is transported to the surface, influencing the temperature distribution and providing a basis for determining thermal conditions at various depths.

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