de l usine de ciment en jordanie types

(PDF) The new kid on the old block: Coltan, conflict-prone minerals ...

2015.6.16  The new kid on the old block: Coltan, conflict-prone minerals, and post-war reconstruction in Sierra Leone. June 2015. The Extractive Industries and Society 3 (2) DOI:...

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Sierra Leone's illicit diamonds: the challenges and the

12 It is reported that diamonds and coltan from DRC and smuggled to neighboring countries that include Central African Republic, Republic of Congo, and Rwanda, while diamonds from Sierra Leone are smuggled to countries like Liberia, Guinea, and the Gambia (cf. Cilliers and Dietrich 2000; Dietrich 2004).

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Coltan, the Congo and your cell phone - MIT

2012.9.16  resources (e.g., diamonds in Sierra Leone). Control over the Coltan ores in the eastern part of the Democratic Republic of the Congo (DRC) has helped to fund domestic militia and foreign armies, prolonging the war crimes and human rights abuses committed there over many years.

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The price of becoming a mineral: coltan, money and plural

This paper examines the temporal process of coltan-making, an high-value mineral extracted in Sierra Leone at the artisanal level. It shows how the process of coltan- and price-making is based on the possibility of managing the multiple temporalities of coltan mining.

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DRC wants back in driver's seat on coltan - Africa Intelligence

2021.5.17  Made in the DRC. The newly-founded Congo Fair Mining (CFM), which was registered in Kinshasa on 9 March, is ready to start up operations in and around Goma, eastern DRC. The company plans to build a coltan concentration unit able to produce between 75 and 100 tonnes per month near the North Kivu capital.

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Coltan, by Michael Nest. Cambridge and Maiden, MA:

Sierra Leone from failure - accounts for the achievements of SSR. In fact, the authors conclude that the UK government's commitment to SSR today is 'ex-tremely weak'. This reinforces the general image conveyed in the book of SSR as a 'post-hoc rationalization', and raises the question of whether SSR as a concept is worth keeping at all.

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Live event: Unpacking Sierra Leone’s mineral

By Laura Cornish. May 20, 2021. Sierra Leone is richly endowed with minerals such as iron ore, rutile, diamonds, bauxite, gold, platinum, zircon, ilmenite, chromite and columbite-tantalite (coltan).

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Sierra Leone - Mining and Mineral Resources

2024.4.17  Overview. Sierra Leone is well known for its vast endowment in minerals, which include diamonds, rutile, bauxite, gold, iron ore, limonite, platinum, chromite, coltan, tantalite, columbite, and zircon, as well as promising petroleum potential.

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Zircon - Zircon ore exporters, Zircon ore suppliers - Kalmax

Tel: +232 76 924 182, +232 76 138 707. Email:info@kalmaxresources. Address: 26a Jones Street, Freetown – Sierra Leone. Kalmax Resources Business Development Limited is a Sierra Leone owned company that mine and export various types of minerals which include Zircon sand, Titanium Dioxide (Rutile, Ilmenite) Columbite – Tantalite

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Sierra Leone - mindat

Sierra Leone : Sierra Leone, officially the Republic of Sierra Leone, informally Salone, is a country on the southwest coast of West Africa. It is bordered by Liberia to the southeast and Guinea to the northeast. ...

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Vatic Enters into Negotiations for Coltan Property in Sierra Leone

2018.7.24  Coltan in Sierra Leone is a fairly recent discovery. The Director General of the Mines Department of the country recently described coltan as the "new kid on the block" on the Sierra Leone mineral ...

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Grahe Mining Salone Limited – Gold Mine Extractors since

Grahe Mining Salone Limited, Our company, established in January 2022, brings together Krowork Ltd and G Smart Ltd, firms that have been operating in Sierra Leone for several years. In addition to the two principal founding partners, equity shares are allocated to various technical experts, with both the founders and technicians being of ...

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Sierra Leone discovers new deposits of diamond, bauxite, iron

2021.5.27  Sierra Leone, one of the poorest nations in the World despite an abundance of mineral resources valued at Trillions of Dollars, has announced new discovery of massive deposits of kimberlite diamond, iron ore, gold, bauxite, rutile and nickel. ... Platinum Group Metals; ethically sourced Coltan, and a range of other internationally

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Metals And Minerals

This covers an approximate area of 80.05 sq.km and is situated in the Kamara, Gbense and Nimikoro chiefdoms respectively in Kono District of the Eastern Province of the Republic of Sierra Leone. MMT also has an exploration project for alluvial Coltan, gold and diamonds in the Yengema –Kongobadu area covering about 169.73 sq. kilometres.

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Coltan

Kalmax Resources Business Development Limited is a Sierra Leone owned company that mine and export various types of minerals which include Zircon sand, Titanium Dioxide(Rutile, Ilmenite) Columbite – Tantalite(Coltan), Gold, rough Diamond, Platinum Group Metals (PGMs),Tin, Chromite and various types of gemstones. Our concessions,

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Mineral Conflicts: Coltan Mining in Africa - Australian

2016.3.15  The former is now well-known and documented; the latter is mostly obscured. Indeed, the chain of doom started with blood diamonds in Angola and Sierra Leone, which fuelled much of the war effort where the National Union for the Total Independence of Angola (UNITA) made generous use of its diamonds at $3.72 billion

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Live event: Unpacking Sierra Leone’s mineral potential

By Laura Cornish. May 20, 2021. Sierra Leone is richly endowed with minerals such as iron ore, rutile, diamonds, bauxite, gold, platinum, zircon, ilmenite, chromite and columbite-tantalite (coltan). Since April 2018, the Sierra Leone government has issued three large-scale mining licences (i.e., Seawright Mining Company Ltd, Wongor Investment ...

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Coltan ore for sale, purity minimum 30, from Sierra Leone

2024.4.1  We can supply immediately coltan, purity minimum 30% from Sierra Leone - price 56.55USD/kg, monthly quantity 20MT to 30MT. We supply FOB International warehouse, payment by LC, inspection by SGS, packing in barrels or sacs. Please, send us your official LOI to establish a mutual business with your Company. In your LOI, state

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Salim Sillah MSc, BSc (Hons), FGS - Chief Technical Officer - Leone ...

Set up a successful systematic Exploration programme on Columbite-Tantalite and Cassiterite (Tin) mineralisation making the company potentially one of the largest high grade conflict-free Coltan supplier in Sierra Leone to well known international Tantalite capacitor manufacturing groups in the near future with high transparency and standard due

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DRC wants back in driver's seat on coltan - Africa Intelligence

2021.5.17  Spotlight China, Sierra Leone Freetown aims to break DRC's grip on China phone sector. The government has granted a Chinese company a licence to extract coltan at an industrial scale. Its ambition is to compete with other African countries in supplying electronics giants.

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The price of becoming a mineral: coltan, money and plural

This paper examines the temporal process of coltan-making, an high-value mineral extracted in Sierra Leone at the artisanal level. It shows how the process of coltan- and price-making is based on the possibility of managing the multiple temporalities of coltan mining. ASA2018: Sociality, matter, and the imagination: re-creating Anthropology ...

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Metals And Minerals - Buying, Selling, Consultancy And Mining

This covers an approximate area of 80.05 sq.km and is situated in the Kamara, Gbense and Nimikoro chiefdoms respectively in Kono District of the Eastern Province of the Republic of Sierra Leone. MMT also has an exploration project for alluvial Coltan, gold and diamonds in the Yengema –Kongobadu area covering about 169.73 sq. kilometres.

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Le coltan pourrait-il permettre à l’Afrique centrale de se

2020.8.23  Toutefois, d’autres pays africains produisent aussi ce minerai à l’instar de : Bénin, Côte d’Ivoire, Ethiopie, Nigéria, Rwanda, Sierra Leone, Tanzanie. Cependant, depuis 2019, un important gisement de coltan a été retrouvé au Nord-Ouest du Cameroun. Gisement estimé le plus important du monde. Le coltan ou le « minerai du sang »

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Sierra Leone's illicit diamonds: the challenges and the

10 Diamonds and Columbite-tantalite (coltan) are mined. illicitly in DRC, illicit exploitation of gold and/or diamonds occur in several SSA countries including Ghana, Zimbabwe, Guinea, Liberia, and Sierra Leone Tanzania and Madagascar. are faced with illicit exploitation of tanzanite and sapphire, respectively.

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Vatic Enters into Negotiations for Coltan Property in Sierra Leone

2018.7.24  Vatic Ventures Corp. (TSXV:VCV) is pleased to announce that it has entered into negotiations with a private Sierra Leone company to earn a majority interest in a columbite-tantalite (“coltan ...

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fr/l extraction du coltan en sierra leone.md at main

Contribute to liyingliang2022/fr development by creating an account on GitHub.

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Home [kalmaxresources]

Kalmax Resources Business Development Limited is a Sierra Leone owned registered company that’s focused on mining and exporting of various minerals including Zircon, Titanium Dioxide (Rutile and Ilmenite), Tantalite (Coltan), Lithium, Cobalt, Manganese, Limestone, Copper,Tin,Gold, Diamond and Platinum Group Metals (PGMs) etc. We also

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RWANDA/RDC/GRANDS LACS : Kinshasa veut reprendre le contrôle du coltan ...

2021.5.17  Chine, Sierra Leone Freetown veut fournir la téléphonie chinoise en coltan. Le gouvernement de Sierra Leone vient d'attribuer à une entreprise chinoise un permis d'exploitation à échelle industrielle pour le coltan. Son ambition est de rivaliser avec d'autres pays africains dans l'approvisionnement des géants de l'électronique.

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The Extractive Industries and Society - ResearchGate

2023.7.19  smuggling of coltan from Sierra Leone and the government’s responses to these activities (e.g., African Young Voices (AYV), 2013; Awareness Times, 2013, 2005). In one such response in July

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Manganese - Kalmax Resources

Kalmax Resources Business Development Limited is a Sierra Leone owned company that mine and export various types of minerals which include Zircon sand, Titanium Dioxide(Rutile, Ilmenite) Columbite – Tantalite(Coltan), Gold, rough Diamond, Platinum Group Metals (PGMs),Tin, Chromite and various types of gemstones. Manganese (Mn)

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About - Metals And Minerals

MMC Limited has it headquarters in Sierra Leone with offices in Guinea and Liberia. In Sierra Leone, we are currently exploring and mining gold, diamonds, coltan in Kono and Kailahun. In Guinea, we are stationed at

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Loyola University Chicago International Law Review

2020.10.13  8 Alfred B. Zack-Williams, Sierra Leone: The Political Economy of Civil War, 20 THIRD WORLD Q. 143, 145-150 (1999).; see also Sigismond A. Wilson, Sierra Leone's Illicit Diamonds: The Challenges. and the Way Forward, 76 GEOJOURNAL 191-212 (2011). 9 Sigismond A. Wilson, Sierra Leone 's . Illicit Diamonds: The Challenges and the

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Coltan Demand Grows as Tantalum Applications Expand - PR

2018.7.24  Coltan in Sierra Leone is a fairly recent discovery. The Director General of the Mines Department of the country recently described coltan as the "new kid on the block" on the Sierra Leone mineral ...

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Vatic Enters into Negotiations for Coltan Property in Sierra Leone

2018.7.24  Coltan in Sierra Leone is a fairly recent discovery. The Director General of the Mines Department of the country recently described coltan as the "new kid on the block" on the Sierra Leone mineral landscape. The USGS recently reported that several companies in Sierra Leone are exploring for this material and that there was small-scale ...

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Sierra Leone’s mining sector in focus: 2018 – 2021

2021.3.23  In January 2018 there was only one industrial gold mine operating in Sierra Leone. In March 2021 there are nine industrial Gold mines (6 small-scale and 3 large-scale) operating in Sierra Leone. In January 2018 there were two mineral sand (rutile, zircon, coltan, etc.) mines operating in Sierra Leone.

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(PDF) The Geology, Mineral Resources of Sierra Leone and

2013.3.15  Sierra Leone forms part of the West African Craton whose counterpart is the Guyana shield. Two main structural divisions are recognized; (a) the Liberian granite-greenstone terrain and (b) the ...

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Coltán: El Mineral Conflictivo y su Importancia en la

El coltán, una combinación de columbita y tantalita, es un mineral crucial en la fabricación de smartphones debido a su capacidad para retener grandes cantidades de energía eléctrica en forma de condensadores. El proceso de extracción del coltán comienza con la minería a cielo abierto o subterránea, donde se extrae el mineral de la tierra.

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Mining for change? Youth livelihoods and extractive

2014.10.1  The government perceives columbite–tantalite (coltan), a high value mineral, as “the new kid on the block.” We examine the nascent coltan industry in Sierra Leone, particularly in the context of the strategic importance of its constituent elements, niobium and tantalum, and the historic illegal mining and smuggling problems in Sierra

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