Bisbee Turquoise Part Two

Mike Ryan
Jul 20, 2023
1 min read

Photo Arland Ben

Bisbee Arizona is considered one of the most highly mineralized locations on Earth. The geology of Bisbee turquoise is fascinating and in this video Mike explains some of the story.

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5つ星のうち0と評価されています。

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rockdad

2023年7月21日

5つ星のうち5と評価されています。

Mike, that part of your book was one of the most interesting stories; there is not a lot of technical info out there concerning the geology and age of turquoise deposits. Thanks! Also, in the lower center of your second photo of the Lavender Pit, you can see it was taken at exactly the moment that quite a bit of dynamite was exploding to loosen copper ore from the pit. Great photo!!

Mike Ryan

2023年7月21日

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Nice you picked up on that. Also the giant shovels that look tiny give a sense of scale. Developments in metallurgy made during the war allowed for the equipment required for open pit mining.