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Acknowledgements
The authors acknowledge and appreciate the aid of J. Robbins, W. Strojie, D. Asael and S. Zhang in supervising clean lab chemistry, boron and trace element analysis, and datazione processing. recensioni xmeeting The authors also appreciate discussion with J. Rae. This work was supported by NSF Award 1602557 and 170251 to P.M.H., NSF Award 1844380 and 2002448 onesto N.J.B. and Sloan Ocean Fellowships esatto P.M.H. and N.J.B. Additional funding to A.V.F. was provided by the Guggenheim Fellowship and the ARCHANGE project (ANR-18-MPGA-0001, France). We acknowledge high-performance computing support from Cheyenne ( provided by NCAR’s Computational and Information Systems Laboratory, sponsored by the NSF.
