Fig. 5From: Development characteristics and controlling factor analysis of the Neogene Minghuazhen Formation shallow water delta in Huanghekou area, Bohai offshore basinPhotographs of representative various types of lithofacies. See Fig. 4 for location of cores. a grayish green siltstone with unclear cross-bedding; b brown medium sandstone; c oil-bearing, brown fine sandstone; d grayish white fine sandstone with low-angle cross bedding; e grayish white fine sandstone; and f grayish white fine sandstone containing mud gravels with the maximum size of 7 mmBack to article page