Fig. 5
From: Significant contribution of subseafloor microparticles to the global manganese budget

Spectroscopic characteristics of bulk samples in this study. a, b X-ray absorption fine structure (XAFS) results for selected bulk samples and standard samples at the Mn K-edge: a X-ray absorption near edge structure (XANES) spectra of selected and standard samples, b representative normalized k2-weighted extended XAFS spectra for sample U1365C-1H-2 0/20 and standard samples. c XANES spectra of selected and standard samples at the Fe K-edge