A new study demonstrates how the "Snowball Earth" may have featured explosive underwater volcanoes more than 640 million years ago. Volcanoes activity may have lead to high oceanic phosphorus levels, thought to be the catalyst for the origin of animal life on Earth. https://theconversation.com/how-sno...ed-oceans-to-help-kickstart-animal-life-53280 Full paper link
Yeah, I knew about the importance of underwater vocanoes from discovery channel that is thought to be the catalyst for the origin of animal life on Earth.