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A comment on Saturn moon 'able to support life'. Parent comment

Re:Saturn moon 'able to support life' by spydum on Thursday April 13, 2017 @10:48PM (#14112412)
always wondered how exactly this process works.. you can date the stone itself, but how do you date the shaping of the stone?
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Re:Saturn moon 'able to support life' by stevenwoo on Thursday April 13, 2017 @11:45PM (#14112595)
The assumption is the surrounding sediment can suffice for a good enough approximation. http://www.nytimes.com/2011/09/13/science/13qna.html
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