what are the three main copper minerals of ok tedi mining

Ok Tedi copper mine, Papua New Guinea, stimulates …

2017-8-31 · Fish populations utilised by riparian populations along the Fly River, Papua New Guinea (PNG), downstream of the Ok Tedi gold and copper mine have markedly declined in species richness (between 21 and 90%) and biomass (between 57 and 87%) during the operation of the mine (Storey et al., The Fly River Papua New Guinea. Environmental studies in an impacted tropical river system.

Copper Mining & Extraction Process Flow Chart

2015-8-26 · Copper Mining & Extraction Process Flow Chart. This flowchart made of machinery icons explains or expresses in simple but clear terms the step of the Copper Mining and Copper Extraction Process. Starting from either open-pit or underground mining and using a different relevant treatment method for oxide or sulphide copper …

Beginnings of Ok Tedi

2021-2-16 · Ok Tedi Mining Limited''s Shareholders are Australia''s major steel producer BHP, through its subsidiary Dampier Mining Co, 30 per cent; Standard Oil of Indiana, through Amoco Minerals Co, 30 percent; Metallgesellschaft Ag, 20 per cent. Three stages have been planned for Ok Tedi, at an estimated total cost of K940, 869,942.

Process mineralogy of fluorosilicate minerals in OK …

Fluorine in the copper concentrates reports to the gas phase during the smelting stage and forms a corrosive H2SO4-HCl-HF acid brine mixture which must be neutralised. This work was aimed at studying the mineralogy of the fluorosilicate minerals contained in the various oretypes present in the Ok Tedi porphyry copper deposit.

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Under amendments to the Mining Act, 1992 which were enacted in June 2020, KMHL may also supply for and hold a mining license. Our core asset is ownership of 67 percent of OK Tedi Mining Limited. We also have a 17.4 percent ownership interest help in Bougainville Copper Limited, which has been pledged to Panguna Landowners and the people of ...

The Ok Tedi Negotiations

2011-3-29 · The Ok Tedi Negotiations — The Keystone Center i Abbreviations and Definitions ARD – Acid Rock Drainage CMCA Trusts – Funds provided pursuant to the Community Mine Continuation Agreements. CMCA Review – The mandated review of the CMCA Agreement Operations triggered in part by environmental exceedences. Interest-Based Negotiation – Interest-based (or "principled") …

Philippine Mining and Minerals Industry

Philippines Mining and Minerals Industry The Philippines considered as one of the countries most endowed with metallic resources in the world, ranks in the top 6 for gold, nickel, copper and chromite and has the potential to be top 10 largest mining power in the world.

Ok Tedi Mine, Oceania

2018-9-21 · Ok Tedi Mine: Some Facts and Figures Operating Life: 1984–2010. Jobs: Ok Tedi Mining Limited (OTML) employs about 2,000 staff. About 1,800 are Papua New Guinea citizens and 800 live within a 40-kilometer radius of the mine. Production: About 200,000 tons of copper and 500,000 ounces of gold a year. By December 2001, the mine had

Process mineralogy of fluorosilicate minerals in ok …

2001-12-1 · This study revealed talc, phlogopite, biotite, clays, amphiboles, fluoroapatite and titanite to be the sources of fluorine in the orebody. Laboratory and plant investigations were conducted to study the flotation response of these minerals.

Ok Tedi Mine continues to operate

Ok Tedi Mining Limited (OTML) operates the Ok Tedi Mine, the longest running open-pit copper, gold and silver mine in Papua New Guinea. Our registered office is located in Tabubil, Western Province, PNG. We also have a representative office in Port Moresby, PNG and a logistics facility in Brisbane, Australia.

The dirtiest mine in the world | Green Left

2  · The mining of Mt Fubilan for copper ore can be accurately described as removing a mountain and dumping it along the Ok Tedi River, the Fly River, the Papuan Gulf and possibly the Torres Strait. In each operating day of the mine 100,000 tonnes of waste rock and 50,000 tonnes of tailings are dumped into the river system.

The Mineral Resources of Papua New Guinea

The country currently operates three world class, open pit mines - Ok Tedi, Porgera and Lihir, and two medium-scale underground operations at Tolukuma and Kainantu (Fig. 1). They are all gold-silver mines except Ok Tedi, which produces copper-gold as a concentrate. The five projects are all situated in very isolated areas - Porgera,

Ok Tedi, Papua New Guinea | WWF

2021-7-3 · The mine is located on Mt. Fubilan, in the headwaters of the Ok Tedi River, as a joint ownership between Broken Hill Proprietary Company (BHP) (52%), the Papua New Guinea state (30%) and Canadian miner Inmet (18%). 1 Having originally opened for gold extraction in 1984, the operation diversified into copper production 3 years later. Gold production ceased in 1988.

Papua New Guinea: Mining, Minerals and Fuel Resources

In 2010, Ok Tedi Mine owned by the Government and Papua New Guinea Sustainable Development Program (PNGSDP) produced 159,821 t of copper from 22 million metric tons (Mt) of copper ore, compared to 166,669 t of copper from 22.6 Mt of ore in 2009.

Assessing an Assessment: The Ok Tedi Mine

2015-11-10 · The Ok Tedi mine began production of gold twenty years ago, in May 1984. The developer was a multinational consortium consisting of three large multinationals -- BHP, Amoco Minerals, and a German consortium led by Metallgesellschaft AG. The mine moved to full production in 1987, producing copper concentrate that is piped to Kiunga,

Identifying Potential Mineralisation Targets Through ...

2019-3-22 · airborne survey was strategically located between the large Ok Tedi porphyry copper-gold mine and the advanced Frieda River porphyry copper-molybdenum prospect. The airborne datasets were acquired at a north-south line spacing of 500m with a Tie-line spacing of 5km and at nominal terrain clearance of 100m.

Mining and Minerals | The Encyclopedia of Oklahoma …

The monetary value of all minerals produced since 1907 statehood stood at $750 million in 1958, rose to $2.26 billion by 1975, and through 2002 totaled $209 billion. In the year 2002 the combined value of petroleum, coal, and nonfuel minerals produced in …

Mineralogical and Metallurgical Examination of ...

2016-1-4 · The Ok Tedi copper orebody consists of porphyry and skarn orebodies. The skarn orebodies, identified by different mineralogies, are the source o~ high …

The Ok Tedi Copper Mine case.pdf

The Ok Tedi Copper Mine Case Overview Paul Anderson is the CEO of a global mining company built in 1885 named Broken Hill Proprietary Company Limited (BHP). Founded in Australia, the company had grown into a global leader in its three major operating businesses: minerals, petroleum, and steel. After a year and a half, Paul was confronted with ongoing environmental issues related to the Ok Tedi ...

History of the Ok Tedi porphyry copper prospect, …

The Ok Tedi porphyry copper-gold deposit in western Papua New Guinea was discovered and tested by a subsidiary of Kennecott Copper Corporation in 1968-1971. Exploration lapsed in 1972-1975 while Kennecott and the government of Papua New Guinea sought agreement on terms which would apply to any future mining operation.

Process mineralogy of fluorosilicate minerals in OK …

The impact of fluorine in copper flotation was relatively unknown until the introduction of skarn ores in the Ok Tedi concentrator. Fluorine in the copper concentrates reports to the gas phase ...

Case Study: The Ok Tedi Copper Mine | ipl

The main type of pollution at the Ok Tedi Copper Mine is the discharging of mining waste into the Ok Tedi River in Papua New Guinea. The pollution problem began in 1984 following the collapse of a tailing dam used by the company that was responsible for mining copper and gold at the site. By 2000, more than 90 million tons of mine waste had been released into the river and destroyed tens of villages, farms, …

Environmental Assessment: A Case of Bhp Billiton and …

2021-6-16 · The need to balance between economic gains from mineral mining and to protect the environment is often a delicate balance. BHP Billiton and Ok Tedi are some of the global giants in mining with interest in various minerals. Over the years, BHP Billiton has consistently published its audited environmental impact performance reports.

PNG''sOk Tedi, Development andEnvironment

2009-10-12 · consortium to assess the feasibility ofgold and copper mining in 1976. The feasibility study was presented to the PNG Government in 1979. Ok Tedi Mining Limited (OTML) was incorporated on February 27, 1981, to develop and operate the project. A three phase development programme costing $1 970 million took another ''eight years to bring the

The environmental effects of mining waste disposal at ...

2021-1-28 · forced the closure of the large copper mine in Bougainville. In 1990, concerned local communities, adversely affected by the Ok Tedi mine, raised environmental issues. Mining disasters and spills in PNG, and their subsequent environmental impacts have been heavily reported in …

Bioleaching of Ok Tedi copper concentrate in oxygen

2001-1-1 · Three cultures, a mesophile T.ferrooxidans (DSM 583), a moderate thermophile Sulfobacillus accidophilus (YTF1) and an extreme thermophile (Sulfolobus BC65) were used to bioleach the Ok Tedi copper concentrate under the optimal O 2 and CO 2 enriched air in laboratory CSTRs (2L) at 30% O 2 and 10% CO 2 by volume. The positive effect of using oxygen and carbon dioxide enriched air to …

Beginnings of Ok Tedi

2021-2-16 · The Ok Tedi gold and copper project was to have a life of 25 to 30 years. The open cut mine was to see the top of Mt Fubilan (and the gold that goes with it) removed first from 1984 to 1986, gold and copper mining from 1968 to 1989 and from 1989 onwards, copper mining only.

Part Three Resources and Technology

1996-11-20 · The three main categories of copper deposits are porphyry type deposits, strata-bound depos- ... tions of mixed sulfide minerals (copper, nickel, lead, or zinc) occurring as veins and massive ... production is a result of copper mining.4 The Bou-gainvillea and Ok Tedi deposits in Papua New Guinea, Ertsberg in Indonesia, and some Philip- ...