Archived From Nunavut, Canada - 4,030,000,000 Years Acasta Gneiss Rock (Oldest Rock in the World) (voat.co)
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Archived on: 4/3/2017 10:00:00 AM
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47 upvotes, 6 downvotes (89% upvoted it)
Archived From Nunavut, Canada - 4,030,000,000 Years Acasta Gneiss Rock (Oldest Rock in the World) (voat.co)
submitted ago by [deleted]
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[–] oedipusaurus_rex 0 points 2 points 2 points (+2|-0) ago
OP's post was accurate even assuming that your complaint is valid.
Saying a rock is 4 billion years old is the same as saying that it formed 4 billion years ago.
A rock is a rock as long as it doesn't weather into aggregate (some of it will, but the aggregate part becomes sand/dirt), and as long as it doesn't melt. Gneiss is incredibly hard. It's basically tempered granite/schist.