kemi chromite mine

Chromitite

T. Huhtelin, in Mineral Deposits of Finland, 2015 The Chromite Mineralization. The main chromitite layer that parallels the basal contact zone of the Kemi intrusion is known to occur over the whole length of the complex, extending for 15 km from the town of Kemi to the northeast. In the central part of the intrusion, where the complex is at its thickest, the chromitite layer has an …

Arctic Minerals : Exploration Update | MarketScreener

2020-8-26 · Paasivaara chromite-PGE project. Paasivaara is a chromite-PGE (platinum group elements) target located approximately 14 km east of the city of Kemi and 7 km northeast of Outokumpu Oy''s Kemi chromite mine. Arctic Minerals has carried out geophysical and geological modelling which indicates clear potential for chromite and PGE mineralisation.

The Kemi stratiform chromitite deposit, northern Finland ...

The Kemi chromite deposit is hosted by an early Proterozoic (2.44 Ga) layered intrusion. The lower part of the intrusion is composed of peridotitic and pyroxenitic cumulates and chromitite layers. Olivine and chromite have not been observed in the upper part, where plagioclase is the predominant cumulus phase occurring either alone or together ...

Chromite

Chromite. Kemi Mine, Keminmaa, Lapland, Finland. Chromite crystals. Fov 4x3mm Photo and collection D.Cericola Modified by CombineZP. Chromite. Prater deposit, Red Mountain Mining District, Jackson Co., Oregon, USA. Scale bar in photo = 1.0 mm. Euhedral Chromite crystal embedded in talc matrix. Self-collected by Kelly Starnes in ~1986.

Making of chrome ore amidst 70 species | Outokumpu

Kemi Mine''s full production capacity is 2.7 million tons of chromite ore from the underground mine, where 1.25 million tons of chromite concentrates are produced yearly at the site. Chromite concentrates are used as a raw material to manufacture ferrochrome at the nearby Tornio Ferrochrome smelter – the ingredient that makes the steel ...

Kemi chromite

2005-8-19 · Name: Kemi chromite- and ferrochrome-mine. Location: The mine is located near the town of Kemi, on the coast of the gulf of Bothnia, in northern Finland. Brief history: The deposit was discovered ...

Kaivosvastuu – Outokumpu Chrome Oy

The Kemi Mine opened in 1968, less than ten years after the orebody was found. Chromite ore was extracted from open-pit mines reaching depths of approximately 200 meters until 2005. In 2003, underground mining began. Open-pit mining ended at the Kemi Mine in December 2005 with the final open-pit blasting.

TASMAN EXPANDS CRITICAL METAL PORTFOLIO WITH …

2014-12-18 · The Kemi mine of Outokumpu in northern Finland is the EU''s only chromium supplier. Project Descriptions The Akanvaara and Koitelainen chromite projects are of a stratiform intrusion-hosted style that together with similar deposits on the Kola Peninsula of Russia constitute one of the largest known undeveloped resources of chromite in the world.

ARCTIC MINERALS

2021-11-5 · large number of mines were operated in the past by companies such as Outokumpu Oy and Rautaruukki Oy, producing copper, zinc, nickel, cobalt, lead, gold and iron. Today, with the exception of Outokumpu''s Kemi chromite mine, all larger mines are operated by international companies such as Agnico Eagle Ltd and New Boliden AB.

v118n6a3 Reduction of Kemi chromite with methane

2019-5-9 · chromite (de Campos and Eric, 2006). In the present work, the aim was to investigate the characteristics of methane reduction for a specific chromite mined in Kemi, Finland. 47865402941.9-87+3.2 Chromite ore from Kemi has a relatively low Cr/Fe ratio, but due to the mine''s proximity to a stainless steel plant, it is

Technical and operational aspects of autonomous LHD ...

is currently implementing its automated Scooptram project at the Kemi chromite mine in Finland. The project has been running since November last year, and is currently tramming in ...

Outokumpu

2005-8-19 · Name: Kemi chromite- and ferrochrome-mine. Location: The mine is located near the town of Kemi, on the coast of the gulf of Bothnia, in northern Finland. Brief history: The deposit was discovered ...

Kemi Mine, Finland | Outokumpu

Elijärventie 645, 94600 Kemi, Finland. Phone: +358 16 454278. +358 16 453 566. VAT: FI07727683. Directions. At Outokumpu''s Kemi Mine, conveniently located just 20 kilometers from Outokumpu''s Tornio Works, all mining operations take place underground. The mine is the source of chromite ore that is concentrated into upgraded lumpy ore and ...

The Kemi Chromite Deposit

Outokumpu - Tornio | Business Lapland

News

Paasivaara chromite-PGE project. Paasivaara is a chromite-PGE (platinum group elements) target located approximately 14 km east of the city of Kemi and 7 km northeast of Outokumpu Oy''s Kemi chromite mine. Arctic Minerals has carried out geophysical and geological modelling which indicates clear potential for chromite and PGE mineralisation.

Geometallurgical analysis

2014-2-18 · Canahuire Project in Peru and the Kemi Chromite and Ferrochrome mine in Finland exemplify how successful geometallurgical programs have and can be implemented. This report demonstrates a case for geometallurgy at the Orapa A/K1 deposit. Two rock types comprising the kimberlite, SVK_M and NPK_GG, previously not apparent in geological models ...

Finland

Paasivaara chromite-PGE project. Paasivaara is a chromite-PGE (platinum group elements) target located approximately 14 km east of the city of Kemi and 7 km northeast of Outokumpu Oy''s Kemi chromite mine. Arctic Minerals has carried out geophysical and geological modelling which indicates clear potential for chromite and PGE mineralisation.

BLACKBIRD CHROMITE DEPOSIT

The Blackbird chromite deposit was discovered in 2008 and will be the second mine in Noront''s pipeline. It is one of a number of large tonnage, high-quality chromite discoveries in the Ring of Fire. It offers significant potential due to its …

Northern Finland Mining District

2018-11-23 · § Kemi chromite mine discovered in 1959 1970s and 1980s § International expansion (Tara Zinc, Ireland and Viscaria Copper, Sweden) § Outokumpu becomes publically listed company in 1988 1990s and 2000s § Expands stainless steel business § Announces in 2000 that it plans to exit mining

Newtrax and drive digitalisation at Kemi mine ...

2020-2-16 · Outokumpu, a global leader in stainless steel manufacturing, has selected mining automation and digitalisation majors, Newtrax and , to deliver the OptiMine® digital platform as an underground operations management system to improve productivity at the Kemi chromite mine in Finland. "One of the key elements of digitalisation at Kemi Mine is improving …

Kemi

Kemi mined 1.1Mt of run-of-mine ore in 2005, a small decrease from 2004 production, and the processing plant recovered 572,000t of lumpy (36% Cr2O3) and metallurgical grade (44% Cr2O3) concentrates, as compared with 580,000t …

Great Mines: Finland''s Kemi Chrome – by John Chadwick …

2015-10-5 · The geochemical studies on the active Kemi chromite mine focused on the origin of elevated concentrations of some elements in waters and organic stream sediments at the mine site and in its surroundings. Chemical impacts of tailings and settling ponds on watercourses were estimated based on surface water and organic stream sediment data.

Big Daddy Deposit

The chromite deposits in the Ring of Fire are globally quite rare and geologically similar to the Kemi chromite mine in northern Finland, currently operated by Outokumpu. Figure 3- 3D model of the Big Daddy chromite deposit. Oblique view looking north.

MINERAL DEPOSITS OF LAPLAND: EXCURSION GUIDE …

2018-12-7 · Near the Kemi chromite mine, a small outcrop exposes the upper contact of the Kemi layered intrusion. Figure 6 shows the sequence with 2.4 Ga old gabbro in the footwall and the younger Svecokarelian volcanite (1.9-1.8 Ga) in the hanging wall. Between those, a conglomerate layer of about 40 cm thickness with Archean granite pebbles occurs.

Kemi Mine, Keminmaa, Lapland, Finland

Kemi Mine, Keminmaa, Lapland, Finland : Chromium (chromite) mine. The chromite deposit was discovered in 1959/1960. Mine Information: Open pit production started in 1968, concluding with a 1.5 km-long x 500 m-wide x 220 m-depth pit ...

(PDF) Classification of geometallurgical programs based …

Kemi chromite mine in Northern Finlan d started . production already in 1968 and current ore reserves . include 33.0 million tons at 29.0% Cr 2 O 3. Annual mill . capacity is 2.7 million tons of ore.

Prediction of Concentrate Grade in Industrial Gravity ...

2010-7-14 · The Kemi Mine is integrated to the ferrochrome smelter of Outokumpu Tornio Works, at 20 km distance from the mine. At the Outokumpu Tornio Works high chromite grade of the concentrate is advantageous for ferrochrome production. Therefore the main operating goal at the Kemi Mine is to maximize the chromite content of the concentrate, used

The Kemi Chromite Deposit

2015-1-1 · The Kemi Mine is the only operating chrome mine within the European Union. The layered intrusion hosting the Kemi chromite deposit extends some 15 km northeast of Kemi, a town on the coast of the Gulf of Bothnia in northern Finland . The chromitite layer can be traced for the entire length of the intrusion, varying in thickness from a few ...

Outokumpu

The chain starts in Kemi Chromite Mine, continues first to Tornio Ferrochrome Works, then to Steel Melting Shop to hot Rolling Mill, and Cold Rolling Plant. Outokumpu owns the largest known chromite reserves in Europe, the Kemi mine which is located near to their integrated stainless steel mill in Tornio.

Annual report 2018

2021-3-27 · Kemi chromite mine and ferrochrome production celebrated 50 years of operation In 2018, Outokumpu celebrated 50 years of ferrochrome production. The milestone was celebrated by organizing a family day for all Outokumpu employees. The successful event was attended by altogether 3,750 people who had a chance to visit the Kemi mine at