The Miocene was a period in Earth history. Arriving in 20th century Atlantis, the Second Doctor observed volcanic rock to be Miocene, only about 25 million years old. (TV: The Underwater Menace)
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Miocene
The Miocene was a period in Earth history. Arriving in 20th century Atlantis, the Second Doctor observed volcanic rock to be Miocene, only about 25 million years old. (TV: The Underwater Menace)
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