Fig. 1From: Characterization of marine ferromanganese crust from the Pacific using residues of selective chemical leaching: identification of fossil magnetotactic bacteria with FE-SEM and rock magnetic methodsSampling sites, crust sample, and depth profiles used in chemical analysis. a Index map showing area of study around Micronesia in the northwestern Pacific. b Local map showing sampling site and bathymetry of area. c Photograph of crust sample MC10CB07 and d layers identified using naked eye observation that was primarily based on colorsBack to article page