Christopher James Martin Smith

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Questions related from Christopher James Martin Smith

What might cause variable 238U/206Pb ratios with invariant 207Pb/206Pb ratios is speleothem calcite?

Has anyone else conducting U-Pb LA ICP-MS on calcite, zircon or other minerals encountered variable 238U/206Pb ratios with relatively invariant 207Pb/206Pb ratios? I've analysed a number of...

24 June 2014 8,865 13 View

Does anyone know of an online repository where it's possible to look up updated half-life and decay constant values?

Does anyone know of an online repository where it's possible to look up updated half-life and decay constant values, with references to who, when and by what methods they were determined? It seems...

20 March 2014 6,783 16 View