COSEE Ocean Systems: News
Mass Extinction Tied to Volcanic Eruptions, Acidic Oceans
Description: Colossal volcanic eruptions occurred in Siberia 252 million years ago state researchers of a new study. These volcanoes spewed huge amounts of carbon dioxide that may have turned the world's oceans dangerously acidic. This helped to drive a global environmental calamity that killed most land and sea creatures. The scientists studied rocks in the United Arab Emirates that were on the sea floor at the time of this mass extinction. The rocks contained a detailed record of the changing ocean conditions. [Source: Voice of America]
Availability: Full Text
Source: Voice of America
Publish Date: 4/9/2015
Reading Level: Basic
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