Si despre datarea U-Pb care e betooon asa cum spunea cineva pe aici.
"Here, using atom probe tomography, we document the effects of crystal–plastic deformation on atomic-scale elemental distributions in zircon revealing
sub-micrometre-scale mechanisms of trace element mobility."
http://www.nature.com/ncomms/2016/16...omms10490.html
Cum adica poate sa scape ceva din zirconiul ala ?