• Publications
  • Influence

Claim Your Author Page
Ensure your research is discoverable on Semantic Scholar. Claiming your author page allows you to personalize the information displayed and manage publications (all current information on this profile has been aggregated automatically from publisher and metadata sources).
  • Niu Baogui, He Zheng-jun, Song Biao, Ren Ji-shun, Xiao Li-wei
  • Geology
  • 2004 (First Published: 1 December 2004)
  • A zircon U-Pb geochronological study on the volcanic rocks reveals that both of the Zhangjiakou and Yixian Formations, northern Hebei Province, are of the Early Cretaceous, with ages of 135-130 MaContinue Reading