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Table 3 Depths, densities and heat production ( Wt ) of the Earth’s interior

From: On the existence of another source of heat production for the earth and planets, and its connection with gravitomagnetism

Data on the Earth’s Interior fromWt

 

Thickness (km)

Density (g/cm3)

Wt (1012Watt)

±Δ

   

λ=0

λ =π

 

Crust

30

2.2 to 2.9

0.84

0.69

±0.2

Upper mantle

660

3.8 to 5.4

17.05

15.22

±1.5

Lower mantle

2,226

5.2 to 6.2

32.40

30.40

±2.8

Outer core

2,268

9.9 to 12.2

6.86

6.43

±0.5

Inner core

1,217

12.8 to 13.1

0.04

0.036

 

All the Earth

6,371

5.5

59.50

56.00

±5

  1. λ defines the Earth’s position relative to the Sun (see Eq. 27 below).