Allan Kardec. The book of spirits (№ 396797)

Question: Mythology of the ancients is entirely based on spiritual ideas with the only difference that they are considered as spirits of the gods; and they represent us, these gods or spirits endowed with special rights and duties; one was in charge of the winds, others by lightning, others were the patrons of agriculture and so on. Devoid of such a faith base?
Response: It is so not without reason, that not even covers the whole of the truth as a whole.
Question: For the same reason, there may be spirits that live inside the Earth and guides geological processes?
Answer: These spirits do not live literally in the dungeon, but they direct and guide in accord with their responsibilities to those things and processes which are in their jurisdiction. Once you have the explanation of these phenomena, and then you can better understand them.