A Super-Large Rb-Nb Rare Metal Deposit has been Discovered in Huashi Village of Xinglong County, Hebei Province

摘要

Objective The Huashi Village in Xinglong County of Hebei Province is located in the Yanshan subsidence zone in the central eastern North China Plate,which is 137 km away from Beijing City(Fig.1a).This area has undergone large-scale magmatic intrusion affected by the tectonic compression of the Pacific Plate in the Mesozoic(known as the Yanshanian movement)to form many alkaline