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<p>[QUOTE=&quot;Conder101, post: 1282289, member: 66&quot;]But I don&#039;t believe that either of these occur naturally so you would have to have the knowledge of ore processing to get the component metals first.</p><p><br /></p><p><br /></p><p>A campfire will definitely melt lead and could be used for processing lead based ores such as Galena, but tin ore requires temperatures of around 2,200 degrees Fahrenheit to smelt and that&#039;s pretty high for a campfire.&nbsp; (Smelting metal from it&#039;s ores typically requires much higher temperatures than just those required to melt the metal itself.)</p><p><br /></p><p>And coal fires can get that hot when bellows are used to feed in extra air, but why would you do that unless you were using it for smelting or working metal?&nbsp; It&#039;s a &quot;chicken or the the egg&quot; type quandary.&nbsp; If you don&#039;t know about ore smelting there is no reason to invent a forced air furnace, but without the forced air furnace you are seemingly unlikely to discover ore smelting.&nbsp; (Yes the forced air furnace is useful in metal working as well, but you are back to needing the ore smelting to get the metal for metal working.)[/QUOTE]</p><p><br /></p>

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