Mena

The video tutorial discusses metalliferous ores, which contain metals like iron, copper, and aluminum, often combined with oxygen. It explains that the term 'Mena' is used when the concentration of a useful substance in an ore is high enough to make its extraction economically viable.

What are metalliferous ores and what do they contain?

List some metals that can be extracted from metalliferous ores.

What role does oxygen play in the context of metalliferous ores?

What is the significance of the concentration of useful substances in extraction?

Explain what is meant by 'economically viable' in the context of extraction.