| 1. | The distribution of depositional facies in bonan sag is very complex , which include five depositional systems , such as salt lake of deep water , transgressive fan delta , proximal turbidite fan , slump turbidite fan , distal turbidite fan 洼陷内的沉积相带展布比较复杂,发育有深水盐湖、水进型扇三角洲、近岸浊积扇、滑塌浊积扇及带供给水道的远岸浊积扇等5种沉积体系。 |