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Post by Black Hand on Aug 24, 2019 10:06:59 GMT -7
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Post by spence on Aug 24, 2019 20:49:32 GMT -7
Interesting, but puzzling. The descriptor makes it plain this is a composite video, and that the metal is bronze, but shows what appears to be smelting metal from ore. You don't smelt bronze from ore, it's a copper-tin alloy. The bits of metal retrieved from the smelter are bronze color, though, as are the tools.....  Spence |
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Post by Black Hand on Aug 25, 2019 5:52:25 GMT -7
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Post by spence on Aug 25, 2019 10:02:23 GMT -7
Look at minute 30-> in the video, looks more like gold than iron.
I think it's possible they are demonstrating the principle rather than the actual process. Impressive, regardless, that smelter is something to see.
Smelting any ore while 85% naked is also impressive.
Spence
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Post by Black Hand on Aug 25, 2019 10:33:41 GMT -7
Is there some sort of rock that contains copper and tin?
I'd still be curious as to the identity of the ore. In retrospect, there was a short portion of the video where I saw green flames coming from the smelter which would suggest copper. Otzi's axe was smelted in a similar manner from native copper ore.
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Post by Black Hand on Aug 27, 2019 13:10:52 GMT -7
According to Wikipedia, Thailand is one of the few places with Copper/Tin "ore". These gentlemen and the scenery suggest they might be from that part of the world.
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