Supplement to: Dekov, Vesselin M; Marchig, Vesna; Rajta, I; Uzonyi, I (2003): Fe–Mn micronodules born in the metalliferous sediments of two spreading centres: the East Pacific Rise and Mid-Atlantic Ridge. Marine Geology, 199(1-2), 101-121, https://doi.org/10.1016/S0025-3227(03)00124-5