Supplemental Information:Iron isotope evidence for heightened primary productivity triggered by hydrothermally sourced nutrients during Oceanic Anoxic Event 2

The supplementary data used in the manuscript titled "Iron isotope evidence for heightened primary productivity triggered by hydrothermally sourced nutrients during Oceanic Anoxic Event 2", including newly measured bulk iron isotope and concentration values of Gongzha section, as well as coding scripts in MATLAB for modeling of osmium, carbon and iron isotopes cycling in the early stage of OAE2.