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. 2016 Jan 21;6:1518. doi: 10.3389/fmicb.2015.01518

FIGURE 7.

FIGURE 7

Raman spectra collected at 514 nm excitation on iron oxides found in the alteration rind at the surface of the reduced basaltic glass incubated in situ in the abyssal plain and in vitro with M. ferrooxydans DIS-1, all compared to reference spectra of iron oxides (goethite, hematite, biogenic maghemite).