Detailed sedimentological logging was carried out within the exposed rock sections of the
late Campanian to early Maastrichtian successions of the coal-bearing Mamu Formation,
southeastern province of Nigeria. Lithofacies analytical approach was employed in
describing the outcropping rock units. The focus was to understand the distribution of these
facies and their depositional environments. Eleven lithofacies recognized were found
occurring within fining/thinning upward successions typical of retrogradational stacking …