23122
[Structure of the earth] (core, mantle, crust)
- 0 Hegel's 'System of Science'
- 1 Logic (Thinking of Thinking, Science of Science)
- 2 Nature (science of matter)
- 3 Spirit/Mind (Science of humanities)
- 21 Mechanics
- 22 Physics (including Chemistry)
- 23 Organism / Life (Subjectivity)
- 231 The Earth (Geology)
- 232 Plant life (biology of the vegetal)
- 233 Animal life (biology of the animal)
- 2311 Position in the solar system
- 2312 Processes of the Earth
- 2313 Transition to life
- 23121 Processes of Formation
- 23122 [Structure of the earth] (core, mantle, crust)
- 23123 Mineralogical Formation
- 231221 [Earth's core] (solid and liquid: origin of the magnetic field)
- 231222 [Earth's mantle] (convection: the drive of plate movement)
- 231223 [Earth's crust] (oceanic and continental — transition to rock formation)