摘要
Abstract. A new geological section in Baishantou of Jiayin, Heilongjiang, China, has been studied preliminarily in searching for the K/T boundary. An early Paleocene tlorule characterized by abundant Tiliaephyllum tsagajauicurn and insect fossils, was found from the Baishantou Member of the lower part of Paleocene Wuyun Formation. The Yuliangzi Formation yield Maastrichtian dinosaur remains.