Mineralogy and Geochemical Appraisal of Paleo-Redox …
al. 1985; Reijers, 1996). The rich coal deposits of Late Campanian – Early Maastrichtian ages suggest brackish environment during their deposition. 3. Methodology/research approach 3. Materials and method 3.1 Sampling technique Exposed Maastrichtian shale outcrop located at Auchi-Igarra road, Edo state, Nigeria (07º 05.071'N,Web
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