The Triassic is one of the most important periods in the evolution of life on Earth. After one of the greatest mass ...
Everything has its pecking order, and geology is no exception. The cocks of the rocks are the big, swaggering periods of the past that fill books, television programmes and natural-history museums.
The mass extinction that ended the Permian geological epoch, 252 million years ago, wiped out most animals living on Earth. Huge volcanoes erupted, releasing 100,000 billion metric tons of carbon ...
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