4 ms·
always wondered how exactly this process works.. you can date the stone itself, but how do you date the shaping of the stone?
by spydum 10y ago
always wondered how exactly this process works.. you can date the stone itself, but how do you date the shaping of the stone?
- stevenwoo 10y agoThe assumption is the surrounding sediment can suffice for a good enough approximation. http://www.nytimes.com/2011/09/13/science/13qna.html http://www.nytimes.com/2011/09/13/science/13qna.html