Volcanoes Played Pivotal Role In Ancient Ice Age, Mass Extinction

http://www.sciencedaily.com/releases/2009/10/091026132932.htm

This article is about how volcanoes played an essential role in the ancient ice age. At first volcanoes caused global warming, but as time went on the climate was thrown off balance and caused an ice age to start. Originally a scientist, Saltzman and his team linked global warming with the Appalachian Mountains. They have recently found out the rest of the story about the cause of the ice age. Giant volcanoes made the Appalachians rise and the ice age quickly followed. The volcanoes spewed carbon into the air and the Appalachians removed it, but suddenly the eruptions stopped which cause the ice age to begin. This cycle happened for 10 million years. Life flourished deep in the oceans too. After the eruptions stopped the Appalachian still weathered ( the way they removed carbon dioxide) which released too much cold air and eventually the ice age started. By the time of 445 million years ago glaciers had covered the top of the super continent Gondwana. More than two thirds of all life on earth had died out. Saltzman found out many things and that ash was the key to the whole story somehow. Next Saltzman and his team will research ash and its role in the whole story.

I believe that these team of researchers are not wrong but they aren't completely right either. There are many different theories as to how the ice age actually started. Though they have shed some light on the topic, they don't have full evidence. But they have figured out that ash is the main element in the whole story. It could have also been a combination of all the theories. A combination of them all would have made the world a place of dread and death. And that is what happened, 2/3 of all the life on earth had died. Although many researchers will keep researching this topic, I think that they will never find an answer.

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