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A comment on Mysterious Giant Sphere Unearthed in Forest Divides Opinion. Parent comment

Re:Mysterious Giant Sphere Unearthed in Forest Divides Opinion by dogma1138 on Sunday June 05, 2016 @02:46PM (#11842414)
That would be true if concretion could form metal objects but it can't.

They can form Iron Oxide, and Iron Sulfide spheres but they are usually very small like these: https://en.wikipedia.org/wiki/Klerksdorp_sphere

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Re:Mysterious Giant Sphere Unearthed in Forest Divides Opinion by ceejayoz on Sunday June 05, 2016 @02:59PM (#11842468)
It's not a metal object, it's a stone sphere with a "high" (unspecified) level of iron content.
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Re:Mysterious Giant Sphere Unearthed in Forest Divides Opinion by dogma1138 on Sunday June 05, 2016 @03:04PM (#11842508)
You are correct, I've seen this linked before as some silly "Iron Sphere". Could be concretion, would be still very strange indeed, The smaller "iron spheres" were usually found in mines where there was already a high concentration of iron content that could be used to form iron minerals, not sure where did the iron came from to form this one.
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Re:Mysterious Giant Sphere Unearthed in Forest Divides Opinion by krashnburn200 on Sunday June 05, 2016 @05:53PM (#11843331)
The world is a very large place with lots of room for strange things to happen in it.
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