Discovery of Late Jurassic Sporopollen Assemblage from the Tamulangou Formation in the Hongqi Sag of the Hailar Basin, Inner Mongolia, China

• 作者: HOU Yanping JIN Yudong LI Ti SUN Yuewu WAN Chuanbiao XUE Yunfei ZHANG Xin
• 来源期刊: 地质学报（英文版）
• 年，卷（期）: 2020,（5）
• 所属期刊栏目: RESEARCH ADVANCES
• 页码范围: 1718-1720
• 页数: 3页
• 语种: 英文

摘要

Objective The Hailar Basin is situated in the northwestern margin of the Jiamusi-Mongolia Block.It was a continent marginal basin to the south of the Mongolia-Okhotsk Ocean during the Jurassic and Cretaceous.The basement of the basin is a late Paleozoic marine deposit.The filling of the basin is characterized by terrestrial volcanic rocks,as well as fluvial and lacustrine sedimentary rocks, named as Early Cretaceous Xing'anling and Zhalainuoer groupsin ascending order.