Abstract:

Relative positions of the Shouchang Hengshan and Guantou Formations are discussed on the basis of Laozhu section(Lishui countr)combined with some regional data available。 The mafn conclusions are follows: 1.The Hengshan Formation should be underlain the Guantou Formation but overlain the Shouchang Formation. 2.The boundary between Jurassic and Cretaceous continental sediments in Zhejiang should lie between the shouchang and Hengshan Formation.