Beauty of science: ancient oceanic crust


The image shows a multi-element distribution map (red: Fe, green: Ni, blue: Ca) superimposed on an optical image of a sample of peridotite (mantle rock), partially altered to serpentinite, from the ophiolite of New-Caledonia.

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The size of the map is 670*500 µm. The technique used was micro X-ray fluorescence spectroscopy at beamline BM23.