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Get a book on extractive metallurgy. One thing strikes me is that "primitives'" were pretty sophisticated. Also their technology was developed over generations by many people. I think starting with copper as ancients did would be a good idea. Iron is much more common but steel requires about 2900 °F (1600 °C). Cast iron, only about 2200 °F (1200 °...


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I think the answer to your question is hidden in the question itself, let me explain... Because technology and every innovation is the convergence of thinking of many people over the years, the fact that we use metals to build tools prove that metal is the good choice. For your question, i suppose you want recreate some "primitive technology" (i ...


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Drilling mud is only used when drilling for fluids that are pressurized such as oil, gas and sometimes water. It is not used when drilling for minerals such as gold, iron ore, copper. Exploratory drilling minerals will use a combination of: Rotary air blast drilling (RAB) - where compressed air is forced through the drill steel to flush drill cutting out of ...


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