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Rio Tinto Takes Oyu Tolgoi's Associated Minerals Without Paying Royalties - zms.mnzms.mn · Wed, 05 Aug 2026 10:57:21 GMTRio Tinto Targets 500,000 Tonnes of Annual Copper Production at Oyu Tolgoi Underground Mine Through 2036 - KalkineKalkine · Wed, 29 Jul 2026 07:00:00 GMTRio Tinto Confirms 500,000 Tonnes Annual Copper Output at Oyu Tolgoi Mine Through 2036 - Kalkine MediaKalkine Media · Wed, 29 Jul 2026 07:00:00 GMTOyu Tolgoi Lifts Rio Tinto (ASX: RIO) Copper 31 Per Cent, But Group Mined Copper Was Nearly Flat - KalkineKalkine · Tue, 28 Jul 2026 12:40:00 GMT