Fig. 3: Fourier transform infrared spectroscopy (FTIR) spectroscopy characterisation of Mosquito Creek Formation microbial mats. | Nature Communications

Fig. 3: Fourier transform infrared spectroscopy (FTIR) spectroscopy characterisation of Mosquito Creek Formation microbial mats.

From: Aluminous phyllosilicates promote exceptional nanoscale preservation of biogeochemical heterogeneities in Archaean siliciclastic microbial mats

Fig. 3

A 3100–2800 cm–1 spectral region. B 2000–1300 cm–1 spectral region. Green bands denote organic moieties; red bands denote inorganic (matrix silica) contributions. CH3/CH2 ratios reported in the text were computed as the relative intensities of the bands at ~2960 cm–1 and 2925 cm–1.

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