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The Songliao Basin,the biggest Cretaceous oil-gas producing lacustrine basin in northeast China, contains the giant Daqing Oilfield situated in the central part.Lacustrine setting dominated the basin during the Cretaceous period.The SK-I drilling, located in the northern central part of the Songliao Basin,was completed in 2007 and is supposed to be a possible breakthrough in lake investigation.This paper aims to study the Cretaceous phytoplankton
The Songliao Basin, the biggest Cretaceous oil-gas producing lacustrine basin in northeast China, contains the giant Daqing Oilfield situated in the central part. Lacustrine setting dominated the basin during the Cretaceous period. The SK-I drilling, located in the northern central part of the Songliao Basin, was completed in 2007 and is supposed to be a possible breakthrough in lake investigation.This paper aims to study the Cretaceous phytoplankton