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- noun Alternative spelling of
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I think we need to take a close look at the coral story and the use of Mg/Ca ratios as a palaeothermometer carefully.
Under these conditions we can think of using the Mg/Ca ratio as measured in biogenic carbonates as a palaeothermometer.
There is a clear need for development of a suitable palaeothermometer that can be applied to reliable archives using sound phenomenological principles and with a well understood constitutive relationship between temperature and the parameter that is measured.
Out of interest my last proposal aimed at developing a new palaeothermometer wasn’t successful!
For myself I’m trying to develop a new palaeothermometer based on 18-O partitioning between 13-C and 12-C in the carbonate anion of carbonate minerals speleothems, shells, tufas, travertines etc.