Abstract: Ketinghaer Cu-Mo polymetallic deposit is located in the east part of Qimantage metallogenic belt in eastern Kunlun and is a typical porphyry deposit.The porphyraceous granodiorite of Indo-Chinese epoch is the main ore-hosting rock body in the area.Outdoor investigation finds that crypto-explosive breccia exists in porphyraceous granodiorite; petrifaction can be found on the contact face of breccia and cement materials; and the petrifaction and ferritization on the contact zone of breccia and porphyraceous granodiorite are extremely intense.The zoning of Mo-Cu-Pb-Zn minerals from near to far based on the breccia pipe.The existence of crypto-explosive breccia is an important sign of porphyry deposit formation in the area.The crypto-explosive breccia pipe is as a whole characterized by low resistance and high polarization,which is similar to the induced electrical anomaly characteristics of discovered belts,indicating the crypto-explosive breccia pipe has great prospecting significance.