300 Million year old machine parts?

Unexplained Things Are Out There shares the story of a purportedly 300 Million year old bit of something found in some Russian coal.

The metal detail was supposedly 300 million years old and yet the scientists suggest that it was not created by nature but was rather manufactured by someone. The question of who might have made an aluminum gear in the dawn of time remains unanswered.

(Thanks, Rick Overton!)

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