A Metallogenic Model for the Lamachaolutu Copper-Molybdenum Ore District in Eastern Aymag of Mongolia and its Prospecting Direction

The Lamachaolutu copper-molybdenum deposit is a medium-sized porphyry deposit discovered recently in eastern Mongolia. Its ore-forming process was closely related to the tectonic and magmatic acivities in the late Variscan and Yanshanian periods, with obvious superimposed mineralization features. Through comprehensive studies on its ore genesis, geochemistry, alteration zonation and mineralization, we infer that this deposit and the Chabu epithermal low-temperature hydrothermal vein-type lead-zinc-silver deposit are in a unified metallogenic series, and we establish a porphyry-epithermal low-temperature hydrothermal vein-type metallogenic model. On this basis, we forecast the prospecting targets in the mining area and its periphery.