| GOLDSHEET Mining Directory - Companies O | ||||
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| Metals | Aluminum | Cobalt | Copper | Iron | Moly | Nickel | Lead | Lithium | PGMS | Silver | Tin | Zinc | |||
| Info | History | Obsolete Shares | Organizations | Prospecting | Publications | Quotes | Services | |||
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| O2Gold [TSX-V:OTGO-H] - Columbia gold projects |
| O3 Mining [TSX-V:OIII] - Projects in Qu�bec and Ontario |
| OD6 Metals [ASX:OD6] - Australian Rare Earth Metals for Green Technologies |
| OK2 Minerals is now Norra Metals |
| OM Holdings [ASX:OMH] - Integrated manganese and silicon metals company. |
| ORE Group companies: American Eagle Gold, Baselode Energy, Metasl Energy, Mistango River Resources, OreCap, and QC Copper & Gold |
| O.T. Mining [OTC:OTMN] - Developing the Ruby Mine (Montana, USA), and several mining projects in Quebec via Namex Explorations (25% owned) |
| OZ Minerals was acquired by BHP (May 2, 2023) |
| Oakdale Resources is now Oar Resources |
| Oakland Resources is now Castillo Copper |
| Oakley Ventures is now Ameriwest Lithium |
| Oar Resources (was Oakdale Resources) [ASX:OAR] - Nevada Peru gold |
| Oasis Diamond Exploration became Temoris Resources, now Glen Eagle Resources |
| Oban Mining changed it name to Osisko Mining on June 14, 2016 |
| Oberon Uranium [CSE:OBRN] - Lucky Boy mine in Arizona, USA |
| Ocean Park Ventures became Dunnedin Ventures, now Kodiak Copper |
| OceanaGold [TSX:OGC] - Global gold mining company with a strong presence in Philippines, New Zealand and United States |
| Oceana Lithium [ASX:OCN] - Lithium Pegmatite Exploration, Brazil & Australia |
| Oceanic Iron Ore [TSX-V:FEO] - Iron ore project in the Ungava region of northern Quebec |
| Oceanus Resources is now Silver Tiger Metals |
| Octava Minerals [ASX:OCT] - West Australian based Lithium, PGM's and Gold Exploration Company |
| Odessa Minerals [ASX:ODE] - Australian diamond explorer |
| Odette Six Metals [ASX:OD6] - Australian rare earth metals |
| Odin Metals (was Lawson Gold) is now G11 Resources |
| Odin Mining is now Lumina Gold |
| Odisha Mining Corporation - Major minerals mined by OMC are chrome, iron and manganese ore |
| Odyssey Marine Exploration [NASDAQ:OMEX] - Archaeological excavation and recovery of specie and artifacts from shipwreck sites |
| Odyssey Resources [TSX-V:ODXh] - Focus on base and precious metals across the Middle East and North Africa |
| Okapi Resources is now Global Uranium And Enrichment |
| Oklo Resources was acquired by B2Gold |
| Oliver Gold became Canico Resource, which was acquired by Vale |
| Olivut Resources [TSX-V:OLV] - Diamonds |
| Olympus Pacific Minerals is now Besra Gold |
| Omai Gold Mines [TSX-V:OMG] - The Omai Gold Mine is located in Guyana. Previously Operated by Cambior Resources and subsequently acquired by IAMGOLD |
| Omax Resources is now Euromax Resources |
| Omega Corp Limited was acquired by Denison Mines |
| Omineca Mining [TSX-V:OMM] - Western Canada |
| Omnia Metals Group [ASX:OM1] - Exploration projects in Western Australia and Northern Territory |
| ONA Group (Omnium Nord Africain) merged with Soci�t� Nationale d'Investissement (SNI) or National Investment Company, a large private Moroccan holding company controlled by the Moroccan royal family |
| On Track Exploration - Uranium and iron ore properties in Northern Quebec and British Columbia |
| One World Lithium [CSE:OWLI] - Salar del Diablo Property located in Baja California Norte, Mexico |
| OnGold Resources [TSX-V:ONAU] - Capitalizing on District Scale Exploration in Ontario, Canada |
| Ontario Graphite [private] - The Kearney Mine, located in Kearney, Ontario, Canada |
| Ontex Resources and Roxmark Mines merged to form Goldstone Resources, renamed Premier Gold Mines, acquired by Equinox Gold |
| Onyx Gold [TSE-V:ONYX] - Projects in the Timmins, Ontario gold camp and the Selwyn Basin area of the eastern Yukon Territory. |
| ONTZINC is now Hudbay Minerals |
| Opawica Explorations [TSE-V:OPW] - Teck-Kirkland Property (near Kirkland Lake, Ontario) and Bro Property (Yukon Territory) |
| Ophir Metals (was Ophir Gold, MinKap Resources) [TSX-V:OPHR] - Breccia Gold Project, Lemhi County, Idaho |
| Optimum Ventures was acquired by Blackwolf Copper and Gold |
| Opus One Gold Corporation [TSX-V:OOR] - Abitibi Greenstone Belt of northwestern Quebec |
| Ora Banda Mining (was Eastern Goldfields) [ASX:OBM] - Davyhurst Gold Project, Eastern Goldfields of Western Australia |
| Oracle Commodity Holding (was Battery Metals Royalties) [spin-out from Silver Elephant Mining] [TSX-V:ORCL] - Two percent royalties on advanced silver, nickel, and vanadium projects |
| Orange Minerals [ASX:OMX] - Gold and copper exploration company with projects on the historic Lachlan Fold Belt in New South Wales and the Eastern Goldfields in Western Australia |
| Orbis Gold (was Mt Isa Metals) was acquired by SEMAFO, which was acquired by Endeavour Mining |
| Orca Gold is now Perseus Mining |
| Ord River Resources is now Vango Mining |
| Ordell Minerals [ASX:ORD] - Gold and lithium in Western Australia |
| Orea Mining (was Columbus Gold) [TSX:OREA] - Gold exploration and development company operating in French Guiana |
| OreCap (was Orefinders Resources) [TSX-V:OCI] - Gold assets in Abitibi District, Canada |
| OreCorp is now Perseus Mining |
| Orefinders Resources is now OreCap |
| Oremex Silver is now Monarca Minerals |
| Orestone Mining [TSX-V:ORS] - Explores for gold and copper in British Columbia, Canada and Chile |
| Orex Exploration was acquired by Anaconda Mining, now Signal Gold |
| Orex Minerals [TSX-V:REX] - Peru |
| Orexplore Technologies [ASX:OXT] - Scanning minerals in rock |
| Orezone Gold Corporation [TSX:ORE] - Bombor� gold deposit in Burkina Faso |
| Orezone Resources was acquired by IAMGOLD |
| Orford Mining was acquired by Alamos Gold |
| Orica [ASX:ORI] - Commercial explosives and innovative blasting systems to the mining, quarrying, oil and gas and construction markets, a leading supplier of sodium cyanide for gold extraction, and a specialist provider of ground support services in mining and tunnelling |
| Oriel Resources was acquired by Mechel |
| Oriental Minerals became Woulfe Mining, acquired by Almonty |
| Origen Resources [CSE:ORGN] - (mineral assets spun-out from Explorex Resources) |
| Origin Gold is now O2Gold |
| Original Sixteen to One Mine One of the last remaining hard-rock gold mines in California |
| Orinoco Gold was liquidated |
| Orion Metals [ASX:ORM] - Queensland projects |
| Orion Minerals (was Orion Gold) [ASX:ORN] - Projects in Australia and South Africa |
| Orion Resource Partners - Specializes in institutional metals and mining investment strategies in the base and precious metals space |
| Orko Silver was acquired by Coeur Mining |
| Orla Mining [TSX-V:ORA] - Cerro Queman, Panama |
| Orminex is now Labyrinth Resources |
| Ormonde Mining plc [LSE:ORM] - Irish-based company actively seeking exploration opportunities in precious metals, with a focus on Iberia and Morocco |
| Oro Mining became Marlin Gold Mining which merged with Golden Reign Resources to form Mako Mining |
| Oro Verde is now Ionic Rare Earths |
| Oro X (was Western Pacific Resources) is now Silver X Mining |
| Oroco Resource [TSX-V:OCO] - Cerro Prieto Project in northern Sonora State, Mexico. |
| Orocobre, after merging with Galaxy Resources was renamed Allkem |
| Orogen Royalties (Evrim Resources and Renaissance Gold merged) [TSX-V:OGN] - Precious metal royalties |
| Oromin Explorations was acquired by Teranga Gold, acquired by Endeavour Mining |
| Oropa Limited is now Sihayo Gold |
| Orosur Mining [TSX-V:OMI] - Operates the only producing gold mine in Uruguay (San Gregorio). Exploration in Uruguay, Chile, and Argentina. (was Uruguay Mineral Exploration) |
| Oroya Mining became Dakota Minerals, then Exore Resources, which was acquired by Perseus Mining |
| Orpheus Uranium (was Argonaut Resources) [ASX:ORP] - South Australia and the Northern Territory. |
| Orsa Ventures was acquired by Alamos Gold |
| Orsu Metals [TSE-V:OSU-H] - Gold and base metal projects in Kazakhstan and Kyrgyzstan |
| Ortac Resources is now Arc Minerals |
| Orvana Minerals [TSE:ORV] - International minerals exploration company with properties in North and South America, the Caribbean and Europe |
| Osino Resources [TSX-V:OSI] - Gold in Namibia |
| Osisko Development [TSX-V:ODV] - Cariboo Mining District of central British Columbia |
| Osisko Gold Royalties [TSX:OR] - Qu�bec-based royalty and stream company. Osisko currently owns a 5% net smelter return royalty (�NSR�) on the Canadian Malartic Mine |
| Osisko Metals [TSX-V:OM] - Base metals with a focus on zinc mineral assets. |
| Osisko Mining [TSX:OSK] - Focused on the acquisition, exploration, and development of precious metal resource properties in Ontario and Quebec, Canada. (formerly Oban Mining) |
| Osisko Mining Canadian Malartic Mine was acquired by Agnico Eagle and Yamana in 2014, now 100% owned by Agnico Eagle Mines |
| Osmond Resources [ASX:OSM] - Focused on gold and base metals discoveries in South Australia and Victoria |
| Osprey Gold was acquired by MegumaGold |
| Otis Gold was acquired by Excellon Resources |
| Otso Gold (was Nordic Gold) is Insolvent |
| Otter Gold was acquired by Normandy, now Newmont |
| Outback Goldfields (was Skarb Exploration) [TSX-V:OZ] - Gold projects located around the Fosterville Gold Mine in Victoria, Australia. |
| Outcrop Silver (was Miranda Minerals) [TSX-V:OCG] - Colombia |
| Outokumpu [Helsinki:OUT1V] - Versatile metals group (base metals production, stainless steel, copper products and technology.) operating worldwide |
| Overland Resources is now Renegade Exploration |
| Oxiana Resources merged with Zinifex Limited to form OZ Minerals, who was acquired by BHP (May 2, 2023) |
| Oz Lithium (was Australian Goldfields) is now Critical Reagent Processing |
| OZ Minerals was acquired by BHP (May 2, 2023) |
| OzAurum Resources [ASX:OZM] - Norseman-Wiluna Greenstone Belt., Western Australia |
| Ozz Resources [ASX:OZZ] - Western Australian focussed gold and base metal explorer |
| GOLDSHEET Mining Directory - Companies O | |||
|---|---|---|---|
| Companies | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q-R | S | T | U-V | W-Z | ||
| Sectors | Australia | Diamonds | London listed | Mutual Funds | South Africa | Uranium | ||
| Metals | Aluminum | Cobalt | Copper | Iron | Moly | Nickel | Lead | PGMs | Silver | Tin | Zinc | ||
| Info | History | Mutual Funds | Obsolete | Organizations | Prospecting | Publications | Quotes | Services | ||
| COINSHEET | Index | A-B | C | D-G | H-L | M-N | O-Q | R-S | T-Z | Banks/Mints | State Quarters | | ||
| OILSHEET | Index | A-B | C-D | E-F | G-K | L-N | O-P | Q-S | T-Z | Assoc/Govt | ||
| Comments | Host: 1&1 IONOS | COPYRIGHT 1995-2024 | Updated 30 July 2024 |
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