Mountain building linked to major extinction event half a billion years ago

As life on Earth rapidly expanded a little over 500 million years ago during the “Cambrian explosion,” Earth had tectonic plates slowly crashing into each other, building mountains and starting a series of unfortunate events that led to a mass…

​As life on Earth rapidly expanded a little over 500 million years ago during the “Cambrian explosion,” Earth had tectonic plates slowly crashing into each other, building mountains and starting a series of unfortunate events that led to a mass… As life on Earth rapidly expanded a little over 500 million years ago during the “Cambrian explosion,” Earth had tectonic plates slowly crashing into each other, building mountains and starting a series of unfortunate events that led to a mass…