Discussion on gold mineralization in Golden Triangle Area of Inner Mongolia-Liaoning-Hebei

The Golden Triangle Area of Inner Mongolia Liaoning Hebei is one of the five famous Golden Triangle Areas in china,it is located in the composite area between zonal tectonic system and Cathysia tectonic system. The center of the mineralization is just in the contact place between Yanshan and Nuluerhushan. The two tectonic system are in high composite level,with strong magma activity,broad gold source layer distribution and enough gold source. There are seven concentrated areas of gold deposits in this district, and more than 100 gold deposits.The primary gold includes gold bearing quartz vein type,associated gold type,tectonic altered rock type,magma type and dissemination type. The secondary gold includes oxidezed gossan type and placer gold. The prospect area can be divided into three classes: Giant type gold deposits in the first class area;large super large gold deposits in the second class area;and several medium small gold deposits in the third class area.