An interesting bit of a geography lesson on how the Shotover River got so rich. Enjoy
https://www.youtube.com/watch?v=NlvNceOsZEo
JW 
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I don’t recall him mentioning glaciation at all. That was the major contributing factor to the demolition of the mountains & gold bearing quartz reefs. Smashing & grinding them & freeing the gold & transporting it down country miles from its source & distributing it in the valleys, rivers & creek we know of today. With further erosion & placement from continued weathering from wind, rain & snow melt & land movement from faulting & folding & land slips. And so it goes on.
JW
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Another thing was that most of his footage wasn’t even the Shotover River. 
That was pretty poor really. But that seems to be what we get these days with false media & AI generated stuff.
JW
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Yeah, that one popped up on my algo but I was unimpressed by the lack of real Shotover footage.
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