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Orway Mineral Consultants

Crushing, Grinding and Hydrometallurgy Specialists

Website
www.orway.com.au
Email Address
omc@orway.com.au
Address
Level 4, 1 Adelaide Terrace,
East Perth,
WA 6004,
Australia
Phone
+61 8 6210 5601
Fax Number
+61 8 6210 5555

Orway Mineral Consultants (OMC) specialise in all aspects of crushing and grinding modelling, site circuit optimisation, and provide hydrometallurgical expertise. The Australia and Canada-based consultancy is a world leader in comminution, providing a range of services to the mineral processing community. With a primary focus on grinding applications, OMC was instrumental in the wide acceptance of SAG milling in the mining industry.

Comminution

OMC provides crushing and grinding circuit selections and major equipment sizing services for both greenfield and expansion projects. By interpreting rock breakage comminution testwork data and modelling, OMC can determine the most efficient crushing and grinding circuit configuration for all ore types:

  • Autogenous/semi-autogenous milling
  • SAG and ball milling, recycle crushing
  • Secondary/tertiary crushing ball milling
  • HPGR ball milling
  • Fine grinding
  • Rod milling
  • Scrubbing

Work is undertaken as part of engineering scoping/pre-feasibility, definitive feasibility studies or detailed design which includes:

  • Metallurgical test work specification and supervision
  • Comminution circuit modelling and major equipment selection
  • Flow sheet selection
  • Piping and instrument diagrams
  • Mass balances
  • Operating costs
  • Process design criteria
  • Process and engineering design for new and upgrade projects
  • Studies and independent reviews

OMC provide exclusive mill sizing services to Outotec.

OMC specialises in sizing all aspects of comminution modelling, hydrometallurgy and site optimisations.
OMC provides detailed information regarding comminution circuits for green-fields and expansion projects.
OMC has built up a highly skilled team that specialises in hydrometallurgy.
Specialising in flow sheet design, crushers and grinding mill selection, OMC was instrumental in the wide acceptance of SAG milling in the Australian mining industry.
A comminution circuit optimisation ordinarily involves a circuit audit and collection of survey data.

Grinding circuit optimisations

OMC undertake many grinding circuit optimisations worldwide, providing clients with significant cost savings and increased production levels often requiring no capital input.

Comminution circuit optimisations typically involve circuit audits and collection of circuit data. This includes major equipment sizes and operating conditions. Mass flows, particle size distributions and densities for each stream are collected along with samples for ore characterisation testwork.

Considerable improvements in plant performance are often obtained through recommended changes to control philosophies and training based on preliminary audit results.

Survey data is model fitted using a combination of OMC power based and JKSimMet modelling techniques. Simulations are undertaken to assess influences of varying process parameters on circuit performance. Recommendations are made based upon analysis of data and specific problem areas are identified. These typically include changes to:

  • Mill feed size
  • Control strategy
  • Pulp density
  • Recycle crushing
  • Cyclone configuration and operation
  • Throughput
  • Ball load levels
  • Liner and grate design
  • Circulating load control

Expertise is provided across a wide range of commodities including gold, copper, nickel, iron ore, uranium, manganese, lead/zinc and mineral sands.

Hydrometallurgy services

OMC has fostered a highly skilled team specialising in the field of hydrometallurgy. OMC understand issues in complex hydrometallurgical processing with expertise in a wide range of commodities including: uranium, nickel, copper, cobalt, platinum group metals, gold and safe disposal of metalloids that co-exist.

Services include:

  • Sample selection
  • Testwork specification and pilot plant supervision
  • Modelling and mass balancing
  • Studies and design
  • Audits/due diligence
  • Client/owners team support
  • Commissioning

Nickel / Cobalt – OMC has experience in leaching nickel and cobalt from both lateritic and sulphide deposits via atmospheric, pressure oxidation or metathesis process. Leach products can be taken through purification using solvent extraction, precipitation or ion exchange process to crude and pure semi-products, or refined to metals (divided cells for example).

Copper – OMC has experience in leaching copper from low and high grade oxide deposits via heap leaching and tank leaching, sulphide concentrate leaching via low and high temperature pressure oxidation process as well as SXEW or direct EW. OMC are involved in producing super concentrates via concomitant removal of uranium, cobalt, arsenic and other deleterious elements from copper sulphide concentrates.

Platinum Group Metals (PGM) – OMC has design and operating experience in refining, to 4N purity, of platinum group metals and gold. Feed sources are typically concentrates from mattes and secondary feed stocks (e.g. spent autocatalysts).

Processes include classical chloride systems and newer technologies incorporating substituted quaternary ammonia salts (SQAS). OMC can design to NIOSH/ACGIH air quality standards.

Uranium – Design and operating experience with calcrete, sandstone, granitic and sulphide hosted deposits across the globe. We routinely scope and supervise testwork programs, as well as pilot plant trials, using acid or alkali leaching methods followed by solvent extraction or ion exchange concentration.

OMC assists the International Atomic Energy Agency (IAEA).

General metallurgical services

Flotation

OMC has expertise in base metal and refractory gold ore flotation. Techniques include bulk, differential and collective/selective methods at laboratory, pilot plant and conventional full scale.

Gold metallurgy

OMC has strong gold processing expertise and can provide assistance in all aspects of gold processing including:

  • Testwork sample selection representivity and variability
  • Specification/supervision of testwork programs to determine optimal extraction conditions
  • Gravity gold extraction, intensive cyanidation leaching or gravity finish
  • Leach/adsorption circuit specification and operation
  • Refractory gold processing
  • Desorption circuit specification and operation
  • Goldroom operations and smelting
  • Auditing, operations reviews
  • Cyanide destruction

For more information, please contact OMC.

Mako Project Processing

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Agnew Gold Mine, Waroonga

Agnew Gold Mine is located 1,000km northeast of Perth in Western Australia. It is owned and operated by South African

Lumwana Copper Mine

Lumwana Mine is an open-cut copper mine project in the North West province of Zambia, 220km west of the Copperbelt and 65km west of the town of Solwezi.

Masbate Gold Mine

The Masbate Gold Mine is an open-pit gold mine located on the island of Masbate, about 350km south of the Philippines capital, Manilla.

Christmas Creek Iron Ore Mine

Christmas Creek iron ore mine is operated by the Fortescue Metals Group (FMG), Australia’s third-largest iron ore producer. The mine is part of FMG's mining operations.

Arcadia Lithium Project, Harare

The Arcadia lithium project located near Harare, Zimbabwe, is considered to be one of the world’s biggest hard rock lithium resources.

Norseman Gold Project

The Norseman gold project, jointly owned by Pantoro (50%) and Norseman Gold (50%), is located in the Eastern Goldfields of Western Australia. Pantoro acquired the stake in July 2019 from Central Norseman Gold Consolidated and is the mine’s operator.

Carrapateena Copper-Gold Project

The Carrapateena copper-gold project is located on the eastern margin of the Gawler Craton in South Australia, approximately 160km from the Port Augusta.

Pilgangoora Lithium-Tantalum Project, Pilbara

Pilbara Minerals’ wholly-owned Pilgangoora Lithium-Tantalum Project is located approximately 120km south of Port Hedland, Pilbara, Western Australia, and roughly 55km from its flagship Tabba Tabba Tantallum Project.

Lac Des Iles Mine

The Lac Des Iles mine is an open-pit and underground operation located 85km from Thunder Bay in Ontario, Canada.

Kiruna Iron Ore Mine, Sweden

With an ore body 4km-long, 80m-thick and reaching a depth of 2km, LKAB’s Kiruna is the world’s largest, most modern underground iron ore mine located in northern Sweden.

Kibali Gold Mine, Orientale

The Kibali gold mine is situated 560km north-east of Kisangani in the Orientale province, Democratic Republic of Congo (DRC). Developed in an area of 1,836km² on the Moto goldfields, the site is one of the largest gold mines of Africa.

Yangibana Rare Earths Project, Gascoyne Region

The Yangibana Rare Earths Project, integrating nine mining licences (MLs), is located in Wanna Station, approximately 270km east-northeast of Carnarvon, in the Gascoyne region of Western Australia.

Salamanca Uranium Project

Berkeley Energia’s wholly owned Salamanca Uranium Project is located near Madrid, approximately 70km from the Spanish city of Salamanca.

Balama Graphite Project

The Balama Graphite Project, located on a 106km² mining concession within the Cabo Delgado province in the district of Namuno, northern Mozambique, is touted as being the world’s largest high-grade graphite deposit.

Segilola Gold Project

The Segilola gold project is a high-grade gold project being developed in Osun, Nigeria.

Selinsing Gold Mine

The Selinsing gold mine is an operating high-grade gold mine at Bukit Selinsing in Pahang State, Malaysia.

Yandal Gold Project

The Yandal gold project is a high-grade gold mine being developed approximately 83km from Leinster, Western Australia.

Mt Todd Gold Project

The Mt Todd gold project is considered the biggest undeveloped gold resource in Australia.

Woodlark Gold Project

The Woodlark gold project is an open-pit mine being developed on Woodlark Island in the Milne Bay Province of Papua New Guinea (PNG).

Mako Gold Project

The Mako gold project in Eastern Senegal, Africa, includes a 90km² mining permit. Private gold exploration and development company Toro Gold is the project developer.

Goulamina Lithium Project

The Goulamina lithium project is being developed by Birimian in Bougouni, in the Ségou region of southern-central Mali.

Aurizona Gold Mine, Maranhao

The Aurizona Gold Mine, located within the Maranhão state in north-eastern Brazil, is owned by Mineracão Aurizona S.A. (MASA).

Sanbrado Gold Project

The Sanbrado gold project is a high-grade underground and open-pit operation located approximately 90km east-southeast of Ouagadougou, the capital city of Burkina Faso.

Nolans Neodymium-Praseodymium Project

Australia-based mineral exploration company Arafura Resources is developing the Nolans neodymium-praseodymium (NdPr) project, which is located approximately 135km north of Alice Springs, Northern Territory.

Tasiast Gold Mine

The Tasiast gold mine is located about 300km north of Nouakchott and 162km east-south-east of Nouâdhibou in the north-western Mauritania.

Yaoure Gold Project

Amara Mining Côte d’Ivoire (Amara) proposed to restart the historical Yaoure mine, which has been placed on care and maintenance since 2011 due to political uncertainty. Amara Mining Côte d’Ivoire (Amara, formerly Cluff Gold) acquired the mine in 2004.

Mount Morgans Gold Project

Mount Morgans gold project is a brownfield gold mine located 25km south-west of Laverton gold district, the second biggest gold province in Australia after Kalgoorlie. The Mount Morgans project is 100% owned by Dacian Gold.

Cerro Negro Gold Mine, Santa Cruz

The Cerro Negro gold mine located in Santa Cruz, Argentina, is owned and operated by Goldcorp. Construction of the mine began immediately after the approval of environmental impact assessment (EIA) report in December 2011.

Nyanzaga Gold Project

The Nyanzaga gold project, located in the Lake Victoria Goldfields of Tanzania, is being developed by OreCorp.

Dalgaranga Gold Project, Murchison

The Dalgaranga Gold Project is located approximately 70km north-west of Mt Magnet, within the Murchison gold mining district in Western Australia. The project will involve the development of the brownfield Gilbeys deposit and the greenfield Golden Wings deposit.

Dugald River Mine, Queensland

The Dugald River zinc-lead-silver mine is situated 65km north-west of Cloncurry in Northern Queensland, Australia, and owned by MMG. It is one of the world’s biggest zinc-lead-silver deposits and comprises of high-grade minerals.

Mahenge Graphite Project

Australia-based Black Rock Mining is developing the Mahenge Graphite Project in the Ulanga district of Tanzania.

Phoenix Gold Project, Red Lake, Ontario

The Phoenix gold project involves the development of an underground mine in the Red Lake district of Ontario, Canada, which is one of the largest gold producing countries in the world.

Montagne d’Or Gold Project

The Montagne d'Or gold mine is located in north-west French Guiana, approximately 180km west of its capital city, Cayenne.

Copler Sulphide Expansion Project

The Çöpler open-pit gold mine in Turkey is being expanded to introduce pressure oxidation method to produce gold from the refractory sulphide ore.

Browns Range Rare Earths Project

The Browns Range project, which is located approximately 160km south-east of Halls Creek in northern Western Australia, is the flagship project of Australian mining company, Northern Minerals.

Volta Grande Gold Project, Altamira

The Volta Grande gold project is an advanced-stage exploration project located near Altamira in Para State, Brazil. It is fully owned and operated by Canadian company Belo Sun Mining.

Natougou Gold Project

Located approximately 320km east of Ouagadougou, West Africa, the Natougou project is an advanced gold deposit in the Tapoa Permit Group.

Damang Gold Mine

Spread across an area of 23,666ha, the Damang Gold mine is located 30km north of Tarkwa in South West Ghana. The mine is owned and operated by Abosso Goldfields (AGL), which is owned by Gold Fields Ghana Holdings (71.1%), IAMGOLD (18.9%) and the Ghanaian Government (10%).

Matilda Gold Project

The Matilda gold project involves combined development of the Regent, the Matilda and Williamson gold mines, as well as deposits at the brownfield Wiluna mine.

Hounde Gold Mine

Houndé gold mine is located 250km south-west of Burkina Faso's capital Ouagadougou in West Africa. It is one of the highest quality development projects in the region.

Karma Gold Mine

The Karma Gold Mine is an open-pit mine located 20km east of Ouahigouya and approximately 185km north-west of Ouagadougou, the capital of Burkina Faso.

Yatela Gold Mine

Yatela is an open-pit gold mine located 50km southwest of the city of Kayes in Mali. It covers an area of 195km² and is 80% owned by the Sadiola Exploration Company (SADEX).

Las Lagunas Gold Tailings Project

Las Lagunas Gold Tailings is a retreatment project involving the reprocessing of previously unrecovered gold and silver refractory tailings from the Pueblo Viejo mine.

Yanfolila Gold Project

The Yanfolila Gold Project is located 40km west of the town of Yanfolila, in the Sikasso region of Mali.

Mara Rosa Gold Project, Goiás

The Mara Rosa Project is a gold mine located in the Mara Rosa village, in the state of Goiás in Brazil. It includes 60,000ha of exploration permits and 2,600ha of mining permits.

Meliadine Gold Project, Nunavut

The Meliadine Gold Project is located in the Kivalliq District of Nunavut, approximately 25km northwest of Rankin Inlet on the west coast of Hudson Bay, Canada.

Black Butte Copper Project, Montana

Tintina Resources, a North American copper company, is developing the 100% owned and leased Black Butte copper project near Helena in Montana, US.

Gamsberg–Skorpion Integrated Project

The Gamsberg–Skorpion integrated project in Gamsberg, South Africa, includes the development of an open-pit zinc mine, concentrator plant and associated infrastructure, and the conversion of the Skorpion zinc refinery in Namibia.

Rainy River Gold Project, Richardson Township, Ontario

New Gold's fully-owned Rainy River gold project is located in Richardson Township, approximately 65km north-west of Fort Frances in North-western Ontario, Canada , one of the world's ten biggest gold producing countries. New Gold gained control of the project by acquiring the final shares of Rainy River Resources on 15 October 2013.

Wa Gold Project

Azumah Resources, a gold explorer and developer based in Perth, Australia, is the owner and developer of the Wa Gold project located in the north-western region of Ghana, along the border with Burkina Faso.

NorthMet Project, Minnesota

PolyMet Mining's NorthMet copper nickel platinum group metals (PGMs) project, located in northeastern Minnesota, US, will be the first ever mining project to commercially extract metals from Duluth Complex.

Golden Grove Mine

The Golden Grove mine is located in Western Australia, approximately 450km northeast of Perth and 280km east of Geraldton.

Hidden Valley Gold-Silver Mine

Hidden Valley is an open pit gold-silver mine located in Morobe Province of Papua New Guinea. Newcrest and Harmony Gold Mining of South Africa own the mine through a 50/50 joint-venture (JV) called Hidden Valley JV (HVJV), which is one of three JVs between Newcrest Mining and Harmony Gold, collectively known as the Morobe Mining JVs (MMJV).

Tulu Kapi Gold Project

Tulu Kapi Gold Mine is situated 28km east of Ayra-Gulliso town in the state of Oromia, Ethiopia.

Bissett Creek Graphite Mine, Ontario

The Bissett Creek graphite mine, owned by Northern Graphite, is located between the cities of Ottawa and North Bay in Ontario, Canada, approximately 15km from the Trans-Canada pipeline and highway.

Rossing South Uranium Project

The Rossing Uranium mine is located 70km north-east of Swakopmund in Namibia, Africa. It is the fifth largest producer of uranium in the world and accounts for about 8% of the world's uranium oxide production.

Roy Hill Iron Ore Project, Pilbara

Roy Hill iron ore project is located in the Pilbara region of Australia. The mine is part of the Chichester Range in Western Australia and is the biggest undeveloped Marra Mamba deposit in the region.

Tulawaka Gold Mine

Tulawaka Gold Mine is situated 160km south-west of Mwanza in the western part of the Lake Victoria Goldfield, in the United Republic of Tanzania.

Mbalam Iron Ore Project

The Mbalam iron ore project includes the development of iron ore deposits in Cameroon and the Democratic Republic of the Congo, West Africa.

Paracatu Mine

The Paracatu gold mine is located in Brazil, north of Paracatu city and nearly 230km from the capital city of Brazil, Brasília. Operations at the open pit property began in 1987.

Lincoln Gold Project, California, US

Lincoln gold project is part of the Mother Lode gold belt in Amador County of the state of California, in the US. It is 100% owned and operated by Sutter Gold Mining.

Kansanshi Copper Mine

The Kansanshi mine in Zambia is the eight largest copper mine in the world, with two open pits. The property is located nearly 10km north of the Solwezi town and 180km northwest of the Copperbelt town of Chingola.

Akyem Gold Mine

Akyem is an open-pit gold mine located in Birim North District in the Eastern region of Ghana, the seventh biggest gold producing country in the world.

Cobre Panama Copper Mine

Cobre Panama is a large copper porphyry deposit located approximately 120km west of Panama City in the Donoso District in Panama.

Agbaou Gold Mine

Agbaou Gold Mine is located approximately 200km northwest of the port city of Abidjan in Côte d'Ivoire, West Africa.

Mt Carlton Mine

Mt Carlton is a gold-silver-copper mine located 150km south of Townsville in Queensland, Australia. It is a high-sulphidation epithermal style deposit discovered in 2006.

Tropicana Gold Project

The Tropicana gold project is located in Western Australia on the edge of the Great Victoria Desert, approximately 330km east-north-east of Kalgoorlie.

Nullagine Gold Mine

The Nullagine gold mine is an open-pit mine located in the East Pilbara District of Western Australia. Millennium Minerals fully owns the project and expects to produce 73,000 ounces of gold per annum from the mine.

Prominent Hill Gold and Copper Mine

The Prominent Hill gold and copper mine is 650km north-west of the South Australian capital Adelaide, 130km north-west of BHP Billiton's Olympic Dam and 130km south-east of the town of Coober Pedy in the Gawler Craton of South Australia.

La Colosa Gold Project

The La Colosa porphyry gold project is located 150km west of Colombia’s capital city, Bogota, in the district of Tolima.

Marikana Platinum Mine, Rustenburg, South Africa

Marikana is located near Rustenburg, about 112km from Johannesburg in South Africa. It is a producer of platinum group minerals (PGMs) and covers an area of 33km2. The mine was commissioned at the end of 2002 with an initial investment of R630m ($61m).

Niobec Niobium Mine, Quebec

Niobec Niobium mine is located in the municipality of Saint-Honore in Quebec. The site is situated about 25km northwest of Saguenay region.

Pueblo Viejo Gold Mine

Pueblo Viejo Gold Mine is located 100km away from the capital city of Santo Domingo in the Dominican Republic. It is the largest undeveloped gold mine in the world.

Roseby Copper Project, Queensland

Altona Mining's Roseby Copper Project lies in northwestern Queensland, Australia. The copper / gold mine covers an area of 1,400 square kilometres and will be developed as an open pit operation.

Wiluna Uranium Project, Mid West

Toro Energy's Wiluna uranium project lies 30km away from the town of Wiluna in Western Australia. The mine covers an area of 1,500ha.

Etango Uranium Project, Erongo

Etango uranium project is located in the Erongo uranium province in Namibia. It is one of the largest undeveloped uranium mines in the world.

Buzwagi Gold Mine, Shinyanga

Buzwagi Gold Mine is situated six kilometres south-east of the district of Kahama in the Shinyanga region, United Republic of Tanzania.

Marandoo Iron Ore Mine, Pilbara

Marandoo iron ore mine is situated 35km east of Tom Price in the province of Pilbara, in Western Australia. It is 100% owned and operated by Hamersley Iron.

Channar Iron Ore Mine, Pilbara

Channar iron ore mine is situated 17km south-east of Paraburdoo mine in the province of Pilbara, a region in Western Australia.

Wilcherry Hill Iron Ore Mine Project

Wilcherry Hill iron ore project is located on the Eyre Peninsula in Southern Australia. IronClad Mining and Trafford Resources are developing the project.

Bisha Project

Bisha Project is located at about 150km west of Asmara in Eritrea, East Africa. The mining project is a major deposit of volcanogenic massive sulphide (VMS) mineralisation.

Plutonic Gold Mine

Plutonic Gold Mine is situated 180km north-east of Meekatharra in the state of Western Australia. The mine is 100% owned and operated by Canada's Barrick Gold Corporation.

Konongo Gold Project

The Konongo Gold Project, located 200km northwest of Accra in Ghana, recommenced mining operations and poured its first gold in June 2011, within three months of approval.

Sadiola Gold Mine, Mali

The Sadiola Mine is an open pit gold mine which has been operating since 1996 in Kayes, the capital region of Mali.

Çöpler Gold Mine, Erzincan

Çöpler Gold is an open-pit mine located 550km east of Ankara and 120km south-west of the city of Erzincan in the eastern part of Turkey.

Jack Hills Iron Ore Project

Jack Hills Iron Ore project is owned and operated by Crosslands Resources, a 50-50 joint venture between Murchison Metals and Mitsubishi Development.

Cloud Break Iron Ore Mine

The Cloud Break iron ore mine is located in Pilbara, Western Australia. The mine is owned and operated by Fortescue Meta

Ok Tedi Mine, Oceania

The OK Tedi Mine is an open cut copper operation located in Papua New Guinea, close to the headwaters of the OK Tedi R

Mineral Ridge Gold Project

The Mineral Ridge gold mine is located in Esmeralda County, Nevada. The property was discovered in 1864 and mined until

Hassai Gold Mine

The Hassai gold mine is an open pit mine located in the Red Sea Hills desert in north-eastern Sudan, approximately 50km

Didipio Gold-Copper Project

The Didipio project is a high grade gold-copper mine development, located approximately 270km north-east of Manila in

Trekkopje Uranium Mine

Trekkopje uranium mine is located in western Namibia in southern Africa, approximately 65km north-east of Swakopmund. Th

Zondereinde Mine

The Zondereinde mine is an underground operation located in Limpopo Province, South Africa. It is adjacent to the Am

Doolgunna Copper-Gold Mine

The Doolgunna copper-gold mine is located in Western Australia, approximately 900km north of Perth and 150km north of Meekatharra in the peak hill mineral field.

Sukari Gold Mine

The Sukari gold project is located in the eastern desert of Egypt, approximately 23km south-west of Marsa Alam, a coa

Ranger Uranium Mine

The Ranger Uranium mine is located in Australia's Northern Territory, approximately 260km east of Darwin. Bordered by t

Challenger Gold Mine

The Challenger gold mine is located in South Australia, approximately 740km north-west of Adelaide, and is owned and ope

Nullagine Iron Ore Project

The Nullagine iron ore deposit is an extensive mining licence portfolio located 140km north of Newman in the Pilbara reg

Freda Rebecca Gold Mine

Freda Rebecca gold mine, located 90km northeast of Harare in Zimbabwe, has proven reserves of 2.4 million tons (mt). The mine was closed in March 2007 for refurbishment.

Atlas Wodgina Project

The Wodgina direct shipping ore (DSO) project is located 100km south of Port Hedland in the Pilbara region of Western Au

Copper Mountain Project

The Copper Mountain project is situated 15km south-west of Princeton, British Columbia, Canada. It covers around 18,000

Kittila Gold Mine

The Kittila gold mine is located 900km to the north of Helsinki, Finland, at the Suurikuusikko gold deposit.

Solwara Project

The Solwara 1 project is located in the territorial waters of Papua New Guinea (PNG). Nautilus Minerals Niugini, a subsi

Forrestania Nickel Project

The Forrestania Nickel Project is located 400km east of Perth, in Western Australia. Flying Fox is the first mine to be developed at the project.

Peak Hill Gold Mine

The Peak Hill Gold Mine, located 400km north-west of Sydney, was decommissioned in 2006. The mine occupied about 130ha o

Kalgold Gold Mine

Kalgold mine is an open pit operation owned by South Africa-based Harmony Gold Mining Company Limited. Located 60km so

Ovoot Tolgoi Coal Mine

The Ovoot Tolgoi mine is in the southwest corner of the Omnigovi Aimag (South Gobi province), within the Gurvantes Soum

Sabodala Gold Project

Sabodala is located in Senegal, some 650km east of the capital Dakar. The project contains two deposits – Sabodala

Martabe, North Sumatra

The Martabe Project is located on the western side of Sumatra Island in the North Sumatra province in the sub-district of Batangtoru, Indonesia.

Skorpion Zinc Mine

Inaugurated in September 2003, the Skorpion zinc operation in south-west Namibia comprises an open pit mine, mill and a

Batu Hijau Copper-Gold Mine

Batu Hijau copper-gold mine is located on the Indonesian island of Sumbawa in the province of West Nusa Tenggara, 1,530k

McArthur River Mine

In 1955, MIM discovered the Here's Your Chance (HYC) zinc-lead-silver deposit on the McArthur River Station, 900km south

Gold Mine – Zarafshan-Newmont – Uzbekistan

Newmont Mining's announcement in July 2007 of an agreement which was to see it receive $80m from the government of Uzbekistan to settle the ongoing dispute over the seizure of assets brings to an end the largest direct foreign investment in the country.

Orway Mineral Consultants (WA) Pty Ltd

Level 4, 1 Adelaide Terrace
East Perth
WA 6004
Australia

Orway Mineral Consultants (Canada)

302 -5060 Spectrum Way
Mississauga
ON L4W 5N5
Canada
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