Fig. 2From: Development characteristics and controlling factor analysis of the Neogene Minghuazhen Formation shallow water delta in Huanghekou area, Bohai offshore basinSequence stratigraphic division of the Minghuazhen Formation of Neogene in HHKA. Note the statistic analysis of climate cycle is mainly through sporopollen association amount which is similar as the analysis result of Dai et al., 2009 and Liu et al. 2016. SQ-Sequence, LST-Lowstand systems tract, TST-Transgressive systems tract, HST-Highstand systems tractBack to article page