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CIRDLES / ET_Redux

EARTH-TIME.org's flagship data-processing and workflow automation software.
http://cirdles.org/projects/et_redux/
Apache License 2.0
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Common Pb correction for 202 spiked samples #105

Open schoeneblair opened 8 years ago

schoeneblair commented 8 years ago

When Pbc is >blank Pbc, one has the option of partitioning the Pbc subtraction from reservoirs with different compositions (blank + Stacey and Kramers, e.g.). However, if the sample is spiked with ET2535, this function does not work. While it is uncommon to need this (given that if Pbc is an issue, mass fractionation is not likely a big source of uncertainty), in working on a subset of very rare and very old zircons, it was a good idea to spike and analyze some leachates from chemical abrasion derived from step leaching single zircons. These leachates have a couple pg of Pbc instead of the usual and it would be nice to be able to test the sensitivity of those dates to the Pbc correction.

bowring commented 8 years ago

@noahmclean - need your insights here.