The Origin of Urantia · The Meteoric Era — The Volcanic Age - The Primitive Planetary Atmosphere

57:7.9

Even in the later periods the continuing lava flows and the incoming meteors kept the oxygen of the air almost completely used up. Even the early deposits of the soon appearing primitive ocean contain no colored stones or shales. And for a long time after this ocean appeared, there was virtually no free oxygen in the atmosphere; and it did not appear in significant quantities until it was later generated by the seaweeds and other forms of vegetable life.

Close in 0 of 10 texts

Closest passages

Close in meaning, found by a language model. A match does not mean the teachings are the same.