MDO Celebrates Groundbreaking of Largest Integrated Copper Concentrate Production Project in Oman Yanqul, 10 Nov (ONA) --- Mazoon Mining, a subsidiary of Minerals Development Oman (MDO), today marked a significant milestone with the official groundbreaking of the Mazoon Copper Project in the Wilayat of Yanqul, A’Dhahirah Governorate. The ceremony was held under the patronage of His Abdul Salam Mohammed Al Murshidi, Chairman of Oman Investment Authority (OIA).