Uranium mineralization characteristics of the Lingshan intrusion in southern Henan

Abstract：The Lingshan intrusion in southern Henan contains abundant mineral resources. The paper discusses the distribution characteristics of uranium mineralization of the intrusion and then elucidates characteristics of uranium mineralization of the intrusion. The uranium mineralization is controlled by structure and fractures and sites favorable to mineralization lie at sites of intersection and compounding of the structural zones and dikes in the intrusion. The zone of mineralization concentration mostly contains iron, manganese and mud and hydrothermal alteration is well developed. The uranium source comes from the intrusion. There are four types of mineralization. The analysis of the mineralization characteristics may guide ore search in the Xinxian and Shangcheng intrusions in southern Henan.