Figure 2 | Scientific Reports

Figure 2

From: Lignite coal burning seam in the remote Altai Mountains harbors a hydrogen-driven thermophilic microbial community

Figure 2

Characteristics of the chemical composition of the samples. Scanning electron micrographs of samples AL3T (A), and AL3crust (C), with the corresponding average atomic percentage of the prominent elements (B and D, respectively) calculated from EDS microprobes. An insert on panel A shows EDS spectrum of the S-enriched area, presumably amorphous sulphur. Panel E is an S-enriched area in AL3crust sample containing gypsum crystals (1), amorphous sulphur (2) and crystalline sulphur (3) in the locations 1, 2, and 3, respectively. Panel F shows the corresponding EDS spectra. Scale bars in the SEM images are in μm.

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