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Fig. 8 | Journal of Palaeogeography

Fig. 8

From: Ooidal ironstones in the Meso-Cenozoic sequences in western Siberia: assessment of formation processes and relationship with regional and global earth processes

Fig. 8

Variations of REEs patterns through the stratigraphic sequences in wells 570 and 803 from eastern and western (respectively) corners of the Bakchar ironstone deposit. Hypoxic intervals in the Narym and Kolpashevo ironstones exhibit negative Eu and Y anomalies, indicating influence of low-temperature hydrothermal fluids

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