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Progress in Earth and Planetary Science
Fig. 5 | Progress in Earth and Planetary Science

Fig. 5

From: FTIR microspectroscopy of carbonaceous matter in ~ 3.5 Ga seafloor hydrothermal deposits in the North Pole area, Western Australia

Fig. 5

Relationship between the intensities of the carbonaceous clots at ~ 2925 cm−1 and ~ 2850 cm−1. The ~ 2925 cm−1 band is due to asymmetric stretching vibrations of the aliphatic CH2 and aromatic CH3, and the ~ 2850 cm−1 band is due to symmetric stretching vibration of the aliphatic CH2. The yellow diamonds indicate the data for sample 96NP452, while the green diamond indicates that for sample T-58. The error bars indicate the standard deviations of the duplicate measurements

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