作者: Franck Poitrasson , Simon Chenery , Thomas J Shepherd
DOI: 10.1016/S0016-7037(00)00433-6
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摘要: … Th- 208 Pb and 238 U- 206 Pb systematics were strongly disturbed by variable inputs and/or depletions of U, Th, and Pb. … partly controlled by cation diffusion in the interior of the grain. …