摘要
分布于芦山—天全地区的大溪砾岩与晚白垩世灌口组、老第三纪名山组属同期异相沉积.大溪砾岩为一大型冲积扇体,该扇体向南东逐渐过渡到以灌口组、名山组为代表的湖相沉积,系陆相盆地中一个典型的冲积扇—湖泊沉积组合实例。
The Daxi Conglomerate,Guankou Formation,and Mingshan Formation distributed inthe Tianquan-Lushan area belong to Late Cretaceous-Palaeogene. There is an obvious facteschange in the relation between the Daxi Conglomerate,Guallkou Formation,and Mingshan Formation. The Daxi Conglomerate is a large alluvial fan, and gradually transists southeastward tothe lake factes deposit of the Guankou Formation and Mingshan Formation. This is a typical example of alluvial fan-lake factes association in a continental basin.
出处
《成都理工学院学报》
CSCD
1995年第2期15-21,共7页
Journal of Chengdu University of Technology
关键词
大溪砾岩
灌口组
冲积扇
湖泊沉积
晚白垩世
Daxi Conglomerate
Guankou Formation
Mingshan Formation
alluvial fan
lake facies