We find that marine barite can contaminate 87Sr/86Sr by up to 0.01, so can have serious implications for provenance/weathering studies!
We also find that Pb isotopes may be affected in a similar way.
Take home message: donβt forget to remove marine barite!! π§ͺ
πNew paper alert!π
Interested in using Sr isotopes to study terrigenous material in marine seds? Check out our new paper that highlights the importance of removing marine barite before analysis ππ§ͺ