Volcanic action early equalized internal-heat pressure and crustal contraction, facilitating the cooling of the earth's crust and marking the beginning of the stabilization epoch 850 million years ago. [1] Volcanic activity on Urantia peaked during the age of volcanoes from 1.5 to 1 billion years ago. [2] 330 million years ago, the eruption of the volcanoes of eastern Kentucky was one of the greatest single volcanic activities the world has ever known. [3]
Mount Royal, at Montreal, is the eroded neck of a volcano from a time when great volcanic activity occurred in the St. Lawrence region, 230 million years ago. [4]
80 million years ago, extensive volcanoes at the end of continental drift caused great disturbances in Earth's crust, initiating profound changes along the Pacific shores of Asia and giving rise to numerous isolated volcanic cones worldwide. [5]
When lava cools, it forms granite with a density less than three times that of water, contrasted with the earth's core being twelve times denser than water. [6] Lava flows diversified earth's crust and insulated the planet, facilitating control of terrestrial energy. [7] Lava flows brought heavy metals from deep within the earth to the surface through ancient volcanoes. [8]
Mount Horeb volcano's eruptions awed the Bedouins, leading them to fear Yahweh as the supreme god of the Hebrew Semites, in the belief that their God was “mighty, terrible, a devouring fire, fearful, and all-powerful.”. [9] Volcanoes became fetishes, not mountains, in early man's belief system. [10]
See also: UB 60:3.16; UB 61:1.11-12; UB 61:2.3; UB 61:3.7.