Episodic intensification of marine phosphorus burial over the last 80 million years

Description of Additional Supplementary FilesFile Name: SuppDataset1—Sample information;Description: Detail information of five ferromanganese crust samples, including position, water depth, and CFA infills contained.File Name: SuppDataset2—CFA U-Pb age and crust Pb isotope analyses;Description: the fifteen CFA U-Pb geochronology data, and Pb isotope data for Fe-Mn crust from LA-ICP-MS and solution, respectively.File Name: SuppDataset3—Os isotope compositions of Fe-Mn crusts and Sr isotope compositions of CFAs;Description: Osmium isotope data for Fe-Mn crust MCSD85; Raw reference data of seawater osmium isotope curves; Strontium isotope data for 15 CFA samples and one calcite basement.File Name: SuppDataset4—Major element compositions of CFA and crust;Description: EPMA results for Fe-Mn crust MCSD85 and CFA studied.File Name: SuppDataset5—Trace element compositions of CFA and crust;Description: Trace elements content data for three Fe-Mn crusts and fifteen CFA studied.File Name: SuppDataset6—Instrument parameters for LA-ICP-MS and LA-MC-ICP-MS;Description: LA-ICP-MS Instrument parameters for CFA and Fe-Mn crust trace elements, and CFA U-Pb data; LA-MC-ICP-MS Instrument parameters for Sr isotope analysis.<br>