Ok Tedi, Porphyry copper deposit - Mineral Resources On-Line .Comments, Production 1984 to 2004, 478 Mt at 0.83% Cu, 7.2 g/t Au; reserve of 2004, 249.6 Mt at 0.84% Cu, 1.06 g/t Au. In concentrate: 17.0 g/t Au, 0.02 g/t Pt, 0.62 g/t Pd. Exposed. Study area name, Southeast Asia and Melanesia. References, Andrew (1995); Bamford (1972); Davies and others (1978); Page (1975); Rush.total resources and reserves of tedi porphyry deposit,Mineral Resources and Mineral Reserves 2016 - Integrated annual .Oct 26, 2016 . and gold equivalent ounces represented 54.6% of Harmony's total mineral reserves as at 30 June 2016. SOUTH AFRICA .. Golpu porphyry copper-gold deposit, and special mining lease permitting process .. comprises the same line-sedimentary sequence that is host to the giant Ok Tedi.
Copper: Technology and Competitiveness (Part 7 of 15)They account for about 45 percent of the world's total copper re- serves, including the largest portion of the ore reserves in the western United States. q These de- posits are associated with bodies of igneous in- trusive rocks with copper sulfide minerals dissem- inated in them. Porphyry deposits tend to occur in discontinu-.total resources and reserves of tedi porphyry deposit,A Detailed Assessment of Global Cu Resource Trends . - CiteSeerXMay 7, 2012 . subsequent conversion of resources to mineable reserves dur- ing the lifetime of . ally as mineral resources is 1,780.9 Mt Cu, split over a total of 730 projects, with a further 80.4 Mt Cu in China. . copper resources are hosted by Cu porphyry deposits, especially in Chile, with Cu porphyry deposits contain-.John Frank
Dec 16, 2011 . The Ok Tedi deposit in Papua Newguinea began production in 1984 with reserves of solely 350 million tons at 0.7% copper and 0.59 g/t gold. The top of the deposit had a ore zone with 34 million tons averaging 2.86 g/t gold. In the first 2 years, on average 12,000 tons ore was process per day containing.
development of several porphyry copper deposits. At La. Escondida, in Chile, the supergene blanket constitutes around 65% of the copper resource of the deposit. Grades of up to 3.5% Cu are recorded in this zone. A leached cap containing lower grades of copper and molybdenum overlies the enriched sulphides. Deposit.
Pebble Mine is the common name of a mineral exploration project investigating a very large porphyry copper, gold, and molybdenum mineral deposit in the Bristol Bay region of Southwest Alaska, near Lake Iliamna and Lake Clark. The proposal to mine the ore deposit, using large-scale operations and infrastructure,.
Oct 18, 2012 . to the entire district being renamed Grasberg and classified as a porphyry deposit, despite the skarn-focused discovery and . reserve-resource data for Ertsberg-Grasberg, Ok Tedi, and Cadia, and provide a brief review of a number of other Cu .. likely, therefore, that the total Grasberg skarn resource prob-.
Comments, Production 1984 to 2004, 478 Mt at 0.83% Cu, 7.2 g/t Au; reserve of 2004, 249.6 Mt at 0.84% Cu, 1.06 g/t Au. In concentrate: 17.0 g/t Au, 0.02 g/t Pt, 0.62 g/t Pd. Exposed. Study area name, Southeast Asia and Melanesia. References, Andrew (1995); Bamford (1972); Davies and others (1978); Page (1975); Rush.
The Ok Tedi porphyry and skarn copper-gold deposits on Mount Fubilan (2053 mASL) are located in the Star Mountains of far western Papua New Guinea, 18 km east of the . The pre-mining deposits contained approximately 4.8 Mt of copper and 490 tonnes of gold (actual metal production + full metal content of reserve).
Mar 24, 2017 . Gold. (g/t). Measured. 620. 0.53. 0.30. Indicated. 1,240. 0.44. 0.22. M+I subtotal. 1,860. 0.47. 0.25. Inferred. 780. 0.35. 0.18. M+I+I total. 2,640. 0.44. 0.23. Mineral Resource notes: Copper cut-off grade 0.2% (total copper). This Mineral Resource is reported on a ownership basis. May include minor.
Apr 7, 2016 . Skarns may or may not host economic reserves of metals, but if they do, these are called skarn deposits. . These deposits can exceed 1 billion tonnes of combined porphyry and skarn ore, with more than 5 million tonnes of copper recoverable from the skarn . Ok Tedi Mining (OTML) operates the mine.
Oct 26, 2016 . and gold equivalent ounces represented 54.6% of Harmony's total mineral reserves as at 30 June 2016. SOUTH AFRICA .. Golpu porphyry copper-gold deposit, and special mining lease permitting process .. comprises the same line-sedimentary sequence that is host to the giant Ok Tedi.
Sep 11, 2005 . of the world's largest copper and gold producers from its world class ore deposits, such as. Bougainville, Lihir . resource that is substantially higher than Ok Tedi's contained metals (313 Mt of Copper and . earlier drilling has resulted in the addition to the total porphyry resource of around 105Mt averaging.
The Reko Diq mine is located near Reko Diq town in Chagai District, Balochistan, Pakistan. It is a large copper mine located in the west of Pakistan in Balochistan. Reko Diq represents one of the largest copper reserve in Pakistan and in the world having estimated reserves of 5.9 billion tonnes of ore grading 0.41% copper.
MINERALS IN PAPUA NEW GUINEA. GEOPHYSICS PAPER 1. GEOPHYSICS PAPER 2. OPERATING MINES. OK TEDI. LIHIR. PORGERA. HIDDEN VALLEY ... Lihir is estimated to have a total mineral resource of. 150 million ounces of gold. This includes the estimated ore reserves. Lihir has produced over 10 million.
The Amaro deposit is a gold-rich porphyry system with one of the highest Au:Cu ratios at the Minas Conga district located in northern Peru. New U-Pb dates The .. The deposits in the belt contain a total of ~86 million contained ozAu in production plus reserves, principally in the Yanacocha district (Sillitoe and Perello, 2005;.
Oct 25, 2013 . Mineral resources 17. Mineral reserves 18. Relationship between Harmony's mineral resources and mineral reserves according to the SAMREC code ... porphyry. At Golpu, drilling has demonstrated better continuity of the mineralised porphyries in the upper portions of the deposit and extended the known.
May 11, 2012 . 22/ Mineral Resources and Ore Reserves. 32/ Corporate Governance. 39/ Financial Report. 40/ Directors' Report. 42/ Management Discussion ... The principal targets are large porphyry gold-copper, epithermal gold and sediment hosted gold deposits. Over the past 15 years, the Company has a.
Exploration projects. The New Guinea mobile belt stands out amongst the world's most prospective geological terrains for porphyry copper-gold and epithermal gold mineralisation, with world class deposits including Grasberg-Ertzberg (copper-gold), Porgera (gold), and Ok Tedi (copper-gold). Importantly, the belt is.
Jun 8, 1996 . study incorporates 90 gold and copper-gold deposits, including porphyry, skarn, carbonate-base metal- gold, volcanic-hosted high- and low-sulfidation epithermal, quartz lode, volcanogenic massive sulfide and disseminated sediment-hosted. The combined past production and current resources of these.
tonnage porphyry-type gold deposits in the Archean. • Project unique as it targeted an . outlined ~13. M oz (400 t) gold resource in under six years. • Production began May 2011 with 10.7 M oz P&P reserves. CANADIAN MALARTIC BULK TONNAGE. GOLD DEPOSIT . Total Measured +Indicated. Cut-off. (g/t). Tonnes. (M).
Baguio Mineral District. Telescoped porphyry copper system – diverse genetically related deposit styles. IS Epithermal gold. AA Lithocap. Porphyry copper. Skarn gold/base metal. Sillitoe 2010. Epithermal IS. Porphyry copper. Skarn. Geologic Resource /Potential = +40 Moz Au and +5 Mt Cu. GOLD million ounces (Moz).