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Swiss Journal of Geosciences
Fig. 3 | Swiss Journal of Geosciences

Fig. 3

From: Paleoenvironmental changes across the Paleocene–Eocene boundary in West Central Sinai, Egypt: geochemical proxies

Fig. 3

Vertical profile of the enrichment factor values for some environmentally significant elements in the Paleocene–Eocene sediments, West Central Sinai, Egypt. Note the sediments of the DQB except for the dark grey shales at the base at W. Matulla and G. Mekattub are highly enriched in P, V, Cr, Ni and Zn (EF > 10). The EF values for P and Ba display vertical distribution pattern. The lithostratigraphic units and calcareous nannofossil biozones are shown in Fig. 1

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