Ok Tedi Mine - Wikipedia

The United Nations Environment Programme has noted that the Ok Tedi mine site's "uncontrolled discharge of 70 million tonnes of waste rock and mine tailings annually has spread more than 10 km (6.2 mi) down the Ok Tedi and Fly rivers, raising river beds and causing flooding, sediment deposition, forest damage, and a serious decline in the area ...

Operations - Ok Tedi Mining Limited

What We Do. The Ok Tedi mine is an open-cut copper, gold and silver mine located at Mt. Fubilan in the Western Province of Papua New Guinea. Approximately 240 thousand tonnes of overburden (waste rock) is mined each day from a pit covering about 2.6 square kilometres. In addition, about 60 thousand tonnes of ore is mined each day and delivered to the mill for processing.

Ok Tedi Mine - Wikipedia

The United Nations Environment Programme has noted that the Ok Tedi mine site's "uncontrolled discharge of 70 million tonnes of waste rock and mine tailings annually has spread more than 10 km (6.2 mi) down the Ok Tedi and Fly rivers, raising river beds and causing flooding, sediment deposition, forest damage, and a serious decline in the area's biodiversity."

Ok Tedi environmental disaster - Wikipedia

The Ok Tedi environmental disaster caused severe harm to the environment along 1,000 km of the Ok Tedi River and the Fly River in the Western Province of Papua New Guinea between around 1984 and 2013. The lives of 50,000 people have been disrupted. One of the worst environmental disasters caused by humans, it is a consequence of the discharge of about two billion tons of untreated mining waste into the Ok Tedi from the Ok Tedi Mine, an open pit mine situated in the province. This mining pollutio

From PNG OK Tedi Mine's lenses - Pacific Mining Watch

GRAHAM: The mine is performing strongly and recently achieved a record Total Material Moved of 9.8 million tonnes in a month. Ok Tedi is currently replacing the In Pit Crusher at a cost of some US$230 million (K782.3).

Mining for the Future. Appendix H: Ok Tedi Riverine Disposal ...

On average, the mine produces ore at a rate of 80,000 tonnes per day and waste rock at a rate of 152,000 tonnes per day. During the first four years of production, the Ok Tedi mine consisted of a closed circuit cyanide leach and carbon-in-pulp recovery system to extract the gold from the leached cap.

Development & Exploration - Ok Tedi Mining Limited

The current Ok Tedi Mining Limited (OTML) exploration program is centred on five exploration licences covering about 680 square kilometres. In line with a re-invigorated exploration strategy that is focused on the near-mine environment where the mineralisation potential is highest and easily accessible, the majority of the exploration licences ...

Mineralogical and Metallurgical Examination of Fluorosilicate ...

Ok Tedi Mining Limited (OTML) mines and concentrates 600 000 tonnes of copper concentrate annually in the Star Mountains of the Western Province of Papua New Guinea. Full descriptions of the mine and concentrator were presented by Stapelton and England (1993). The Ok Tedi deposit consists of a number of different

The Mineral Resources of Papua New Guinea

tonnes of gold and numerous smaller deposits of eco-nomic interest. 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

The dirtiest mine in the world | Green Left

The mine consortium, Ok Tedi Mining Limited (OTML) is owned by BHP (30%), Amoco Minerals of the USA (30%) and the PNG government and a German consortium with 20% each. Mining began in 1984, with the production of gold ore to 1988.

Ok Tedi Mine - Wikipedia

The United Nations Environment Programme has noted that the Ok Tedi mine site's "uncontrolled discharge of 70 million tonnes of waste rock and mine tailings annually has spread more than 10 km (6.2 mi) down the Ok Tedi and Fly rivers, raising river beds and causing flooding, sediment deposition, forest damage, and a serious decline in the area ...

Ok Tedi River Heavy Minerals | AMD Resources

The East and West Stockpiles, located downstream to the Ok Tedi Mine and AMD’s two ELs, are the result of environmental dredging to relieve the flood plain carried out since 1998. With 17-20 million tonnes of heavy mineral bearing sands dredged each year, it is anticipated that at least 10 years of further dredging is yet to be completed.

Major Mines & Projects | Ok Tedi (Mt. Fubilan) Mine

Ok Tedi (Mt. Fubilan) Open Pit Mine is located 12 km NW from Tabubil, Papua New Guinea ... crusher at a nominal 8,000 tonnes per hour (tph) and conveyed to a primary ...

Ok Tedi, Papua New Guinea | WWF

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.

Mining for the Future. Appendix H: Ok Tedi Riverine Disposal ...

2.4 Waste Disposal at the Ok Tedi Mine The feasibility study for the Ok Tedi mine incorporated two stable facilities to contain about 80% of the waste rock, a conventional tailings storage facility on the Ok Ma, a tributary of the Ok Tedi, and a hydroelectric dam on the Ok Menga. In 1983, prior to the

The dirtiest mine in the world | Green Left

The mine consortium, Ok Tedi Mining Limited (OTML) is owned by BHP (30%), Amoco Minerals of the USA (30%) and the PNG government and a German consortium with 20% each. Mining began in 1984, with the production of gold ore to 1988.

The Mineral Resources of Papua New Guinea

tonnes of gold and numerous smaller deposits of eco-nomic interest. 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

PNG's Ok Tedi: from disaster to dividends - Australia Network ...

Jan 07, 2013 · Ok Tedi has contributed a lot over many years but particularly now, now that the Ok Tedi mine is 100 per cent owned by Papua New Guinea, and a major part of that belongs to people of the Western ...

Ethics test miners' mettle - Mines and Communities: Home

As well, the Grasberg mine has produced billions of tonnes of waste which has polluted a nearby river in a similar manner to the Ok Tedi mine abandoned by BHP in 2002. "It would have to be one of the worst current mining operations in the world," Beaumont says of Grasberg.

Environmental Impacts of Terrestrial Mining with Case Studies ...

- Ok Tedi Copper Mine - Riverine ... • Tonnes of Gold: - 500,000oz Au = ... separates the mineral deposit from the mining platform.

Ok Tedi River Heavy Minerals | AMD Resources

The East and West Stockpiles, located downstream to the Ok Tedi Mine and AMD’s two ELs, are the result of environmental dredging to relieve the flood plain carried out since 1998. With 17-20 million tonnes of heavy mineral bearing sands dredged each year, it is anticipated that at least 10 years of further dredging is yet to be completed.

Papua New Guinea's Ok Tedi Mine among the World's best ...

Papua New Guinea's Ok Tedi Mining Ltd is currently in the best quartile of international copper producers on a cash-cost basis and aims to continuously improve with the use of technology, chief executive and managing director Peter Graham says.

Villagers at Ok Tedi mine area receive K7mil in dividends ...

Jul 08, 2020 · VILLAGERS living in the Ok Tedi mine area in Western received K7.2 million in dividends from the Mineral Resources Star Mountains Ltd (MRSML) last Wednesday. Mineral Resources Development Company (MRDC) said the dividends were derived from the 2019 profits as the 9 per cent equity holdings in the mine.

PNG'sOk Tedi, Development andEnvironment

The Ok Tedi mine commenced operations on 15 May 1984, bringing tremendous change to the Western Province ofPapua New Guinea (PNG). On a national level. PNG depends on the mine for 15.6 per cent of export income, royalty and taxation payments. Regional development ofthe Western Province ofPNGhas been facilitated by the Ok Tedi mine and

Ok Tedi immunity gone, with ... - Pacific Mining Watch

During the 1980s and 1990s, the mine dumped an estimated 80,000 tonnes of limestone sludge, containing chemicals and minerals, into the upper Tedi River. A 1984 effort to build a tailings dam failed, with the company arguing that a dam was impossible in a geologically unstable terrain with heavy rainfall.

Ok Tedi Crusher Replacement Project

Ok Tedi Mining Limited (OTML) operates a large scale copper and gold mining and processing facility in the Western Province of Papua New Guinea. Ore won from the open pit mine at an annual rate of 24 million tonnes feeds a processing facility consisting of a gyratory primary crusher, two parallel grinding modules, flotation and gravity ...

Ok Tedi disaster: pollution for profit | Green Left

"We are in fact proud of our achievements at Ok Tedi", pronounced Jerry Ellis, BHP's mineral division chief, in the face of a $4 billion compensation claim lodged by local landowners in the Papua New Guinea Highlands. The landowners filed proceedings against BHP Minerals Pty Ltd and Ok Tedi Mining Ltd in the Supreme Court in Melbourne on May 5.

Retrofit to Ok Tedi tailings thickener - Outotec

The Ok Tedi mine, operated by Ok Tedi Mining Limited (OTML), is a major producer of copper concentrate for the world’s smelting market, yielding some 600,000 tonnes of high-grade copper concentrate a year and 500,000oz of gold. The mine is located on Mount Fubilan, Western Province of PNG, with an altitude of approx 1500m.

Ethics test miners' mettle - SMH.com.au

Apr 01, 2006 · As well, the Grasberg mine has produced billions of tonnes of waste which has polluted a nearby river in a similar manner to the Ok Tedi mine abandoned by BHP in 2002.

Ethics test miners' mettle - Mines and Communities: Home

As well, the Grasberg mine has produced billions of tonnes of waste which has polluted a nearby river in a similar manner to the Ok Tedi mine abandoned by BHP in 2002. "It would have to be one of the worst current mining operations in the world," Beaumont says of Grasberg.

Ok Tedi River Heavy Minerals | AMD Resources

The East and West Stockpiles, located downstream to the Ok Tedi Mine and AMD’s two ELs, are the result of environmental dredging to relieve the flood plain carried out since 1998. With 17-20 million tonnes of heavy mineral bearing sands dredged each year, it is anticipated that at least 10 years of further dredging is yet to be completed.

Papua New Guinea: Ok Tedi mine disaster fund at the centre of ...

"PNG's Ok Tedi mine disaster money locked in new legal fight", 3 November 2019. A fresh dispute has erupted over control of a fund set up to benefit the tens of thousands of villagers affected by mining giant BHP’s environmental disaster at the Ok Tedi mine in Papa New Guinea more than 20 years ago.

Mining | Investment Promotion Authority

The Ok Tedi mine, in the Western Province of Papua New Guinea, is a major producer of copper and gold. The Porgera gold mine in the Enga Province of Papua New Guinea is one of the largest in the world. The Lihir mine in New Ireland Province of Papua New Guinea is a long life gold project which commenced production in 1997.

Ok Tedi ramping up exploration - Business Advantage PNG

‘Since starting operations in 1984 to the end of 2017, Ok Tedi has produced 4.75 million tonnes of copper and 14.6 million ounces of gold and 31.4 million ounces of silver.’ ‘We need to be very selective in what we mine and this has an impact on mine life.’

OK TEDI MINE - World Resources Institute

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

Assessing an Assessment: The Ok Tedi Mine

over the mineral resource. It is a pattern repeated throughout the developing world, but here with environmental consequences that are better documented than in most places. The Ok Tedi Mine is located in the Star Mountains in Western province of Papua New Guinea (PNG), near the border with the Indonesian province of Papua. (See Figure

Ok Tedi immunity gone, with implications ... - Australian Mining

Oct 24, 2013 · The environmental damage caused by the Ok Tedi mine is extensive and, ... the mine dumped an estimated 80,000 tonnes of limestone sludge, containing chemicals and minerals, into the upper Tedi River.

Key Events - Ok Tedi Mining Limited

In the same year, the government passed the Mining (Ok Tedi Agreement) Act, and an international consortium was formed to assess the feasibility of developing a gold and copper mining operation. 1977 The Department of Minerals and Energy contracted a consultant anthropologist to record the resources, land tenure and ownership in the Ok Tedi ...

Graham reflects on time with Ok Tedi - Post Courier

Ok Tedi’s success is down to a clear vision, a set of values that we live by, strong business unit leadership, a well-developed business strategy and a committed workforce. In mining there are always challenges and Ok Tedi has more than its share – rain, drought, landslips, earthquakes, not to mention the normal operating risks.

Skarn Copper Deposits1 By Leia Michele ... - Mineral Exploration

2007, the Ok Tedi mine had produced 11,580,784 tonnes of copper concentrate containing 3,598,992 tonnes of copper metal and 8,771,026 ounces of gold metal. Ok Tedi’s estimated proven and probable reserves as at 31 December 2006 were:·Proven reserves: 157 million tonnes at 0.88% copper and 1.14 g/t gold. Probable