This video documents the existence of an old Spanish Mine located in the Uinta Mountains of Utah.

This video shows deposits of Gold and Native Copper in Basalt type rock and explains the Geology of Basalt Rock and how it is formed.

This video explains the importance of Copper during the Industrial Revolution.

This video explains ancient smelting practices used to melt and refine metals.

Here is a good video to learn more about ancient smelting practices; [ Ссылка ]

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