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The South Um Mongul prospect is a Cu-Mo-Au porphyry system. It is covered by porphyritic dacite and hornblende gabbro. Both units are intruded by monzogranite, which encloses xenoliths of both units. Using LA-ICP-MS U-Pb zircon method, the dacite is dated at ca. 773±6.9Ma, while the gabbro and the monzogranite are dated at 603±3.5 and 558±4.6Ma, respectively. The dacite age is consistent with the...
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