Oman's mining sector revenues hit RO 114m in 2019
However, gypsum production inched upward to 10.663 million MT (worth RO 21.4 million), up from 9.66 million MT (RO 23.34 million). ... ended in 2017 following the closure of the smelter of Oman Mining Company (OMCO) near Al Jizzi. Around 264 tons of copper cathode were sold by OMCO in 2017 before the shuttering of the smelter, down …
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