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Pillar extraction in Vertical Crater Retreat mining is the key to productivity and future production. The Rajpura Dariba mine of Hindustan Zinc Ltd (HZL) is situated about 80 km north-east [...]

Closed temporarily but now pressing ahead with expansion plans under new ownership This year has been one of significant changes for Real de Angeles, the world's second largest open pit [...]

Vancouver-based Copper Ridge Explorations Corp. has received assay results from a recently-completed drilling programme at the Howards Pass zinc-lead property in the Yukon. Drilling targeted mineralisation in two zones, at [...]

* Canadian-based Platinova says is seeking options for the renewed exploration of its zinc properties in Greenland. At its Washington Land project, it regards the Cass prospect as particularly encouraging, [...]

* Volcan Cia Minera, now Peru's largest private-sector zinc producer, is reported to be in preliminary purchase talks with the owners of the 36,000 t/y Chungar zinc mine which is [...]

Boliden Ltd pushed the button to start its newly expanded Ronnskar smelter on August 21, on time and on budget, according to Johan Wiklund, general manager of the complex. The [...]

John Chadwick visited Asarco's aging, but far from past it, mechanised room and pillar mines A sarco is of course now part of Grupo Mexico and has significantly contributed to [...]

The Premier of Queensland, the Hon. Peter Beattie, officially opened Pasminco's Century zinc mine on April 4, ten years after the first exploration drill-holes intersected significant mineralisation. Century is located [...]

The first stage of a large scale investment programme at the Sometra lead-zinc smelter, 240 km northeast of Bucharest, Romania, was completed recently. The Athens-based Mytilineos Group has invested US$3 [...]

The Finnish-based metals producer Outokumpu Oyj has announced a timetable for the review of its Tara zinc-lead mining operation in Ireland, and has outlined the relevant issues regarding a possible [...]

Although a devastating blow for the mining industry of Ireland, Outokumpu's decision announced last week to close Tara, Europe's largest zinc mine, should come as no surprise in terms of [...]

Canadian Zinc Corp. has completed a drilling programme at its Prairie Creek project in Canada's Northwest Territories, and has received the final assay results. The last assays come from two [...]

* The board of Aurora Gold Corp. has advised shareholders not to accept an increased takeover offer from Silvara Pty, a subsidiary of Tomorrow plc. Silvara made its original offer [...]

Despite the announcement three months ago that Pasminco Ltd of Australia plans to withdraw from zinc mining (MJ, July 27, p.53), the company may yet have a future as an [...]

This year Outokumpu celebrates the 50th anniversary of its flash smelting technology and this is the basis for 1999 being celebrated throughout the group as an Outokumpu Technology Jubilee year. [...]