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Heritage Science
Fig. 6 | Heritage Science

Fig. 6

From: Desalination of Hamipterus tianshanensis fossil by electrokinetic method: evaluation for treatment of clay-rich sandstone

Fig. 6

SEM images and element mapping of fossil surrounding rocks. A Secondary electron images of fossil-surrounding rocks, showing the montmorillonite coating (C-Mnt) attached to the grain surface; B Secondary electron images of the enlargement for detail of the white box in fig. A showing flat shaped crystals, like curled leaves piled-up, of montmorillonite; C Backscattered electron (BSE) image of crystals in the fossil-surrounding rocks; D The element mapping of fig C, showing the major presence of Na and Cl in the fossil-surrounding rocks, revealing that the salt crystals are halite. Bar = 400 μm

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