Timeline for answer to Would a terraformed planet have no fossil fuels and if so, what alternates would be available? by QuestionablePresence
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| 14 hours ago | comment | added | Nosajimiki | FYI, most Iron Ore is 50-70% iron. Of all metals, steels is probably the closest in cost to refine the first time compared to recycling because most of your fuel actually goes into carbonization and tempering processes. But other metals like copper, aluminum, and titanium are much cheaper to recycle than to refine. | |
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