Xiapu Granite-Porphyry Mass Characters and Ore-Control Action of the Donggou Molybdenun Deposit in
Ruyang Donggou molybdenum ore deposit is a newly found oversize porphyry type molybdenum deposit. Yanshanian period shallow granite-porphyry mass intruded under the Xiapu area which inclines in NE direction with high silicon, rich potassium, low magnalium and hypabyssal elements. Xiapu granite-porphyry mass is metallogenic dominant factor, its shape and occurrence characteristics control the ore body’s shape, occurrence, thickness and ore grade change.