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Fig. 4 | Journal of Palaeogeography

Fig. 4

From: Characteristics of Early Cretaceous wildfires in peat-forming environment, NE China

Fig. 4

Scanning electron microscope micrographs of inertinite in the studied coals. Fusinite, one of the major maceral types in the inertinite group, shows structured and homogenized cell walls, indicating a wildfire origin. a Longitudinal section of fusinite shows fibrous structure. Sample 416, Yimin Formation, Hailar Basin; b Longitudinal section of fusinite shows fibrous structure and pitting. Sample 441, Yimin Formation, Hailar Basin; c Cross section of fusinite shows weakly deformed cellular pore in fusinite. Sample 455, Yimin Formation, Hailar Basin; d Cross section of fusinite shows deformed cellular pores in fusinite. Sample 455, Yimin Formation, Hailar Basin

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