Geochronology of Coronation Hill uranium, platinum, gold, mineralisation, Northern Territory
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https://researchdata.edu.au/geochronology-coronation-hill-northern-territory/927284
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Uraninite geochronology In 2009, uraninite from Coronation Hill was ablated using a 12 m laser beam with the beam rastered along lines at 1 ms-1 to minimise downhole fractionation. Due to the lack of availability of a good uraninite standard isotopic fractionation, mass bias and drift was corrected using the 91500 zircons analysed at the same spot size as the zircons. Experiments were also conducted at smaller spot sizes (4 and 6 m) and showed little or no differences in the U-Pb fractionation at sizes
提供机构：
University of Tasmania, Australia
