columbite tantalite chain

  • mining process involved in the exploitation of columbite

    Definitions, mineralogy and The columbitetantalite mineral group Figure 1 is the processes, are also known see Table 3 and Figure 3 at the . niobium deposit is at Araxá, and is owned and exploited .. mally undertaken at, or close to, the mine site and involves.

  • What Are Conflict Minerals? Source Intelligence

    The term "conflict minerals" is defined as columbitetantalite, also known as coltan (from which tantalum is derived) cassiterite (tin) gold wolframite (tungsten) or their derivatives or any other mineral or its derivatives determined by the Secretary of State to be financing conflict in the Democratic Republic of the Congo or an adjoining country.

  • flowsheet of production of tantalite eduioncare

    May 30, 2014 columbitetantalite (coltan), cassiterite, gold, wolframite, and their derivatives, listed out the materials and equipment used during the production of its products requested that the Suppliers in Concern provide a flow chart

  • Conflict Minerals Disclosure « MoSys

    Conflict Minerals are defined as columbitetantalite (coltan), cassiterite, gold, wolframite, or their derivatives, which are limited to tin, gold, tantalum and tungsten (collectively, referred to as "3T&G") that originate in the Democratic Republic of the Congo or an adjoining country.

  • Niobium and tantalum: Geology, markets, and supply chains

    2015117&ensp·&enspNiobium and tantalum: Geology, markets, and supply chains D.A.R. Mackay1, 2, of supply chain risk and even temporary disruptions in supply infl ux of 'confl ict' columbitetantalite concentrate, or 'Coltan,' into the supply chain, displacing production in Australia and Canada. The growing consumer appetite for goods made of

  • LG Electronics and supply chain management in the

    20181023&ensp·&enspThe Democratic Republic of the Congo (DRC) is a Central African country with vast mineral wealth, including reserves of cassiterite (tin), columbitetantalite (a source of tantalum), wolframite (tungsten) and gold (known as 3TG).

  • BluePoint Global Services Leading Trade & Supply Chain

    2018917&ensp·&enspWe develop and implement supply chain models that are efficient and economical. Our models cover endtoend supply chain cycle from production to distribution across Nigeria and Overseas. With our customized supply chain models, we support manufacturers and distributors in inventory management and xxx Tin Ore, Columbite, Tantalite, Granite

  • Conflict Minerals Sourcing Policy Neo Performance Materials

    Columbitetantalite (coltan), cassiterite, wolframite and gold, or their derivatives, including tantalum, tin, and tungsten, originating from the Democratic Republic of the Congo (DRC) and adjoining countries (often referred to as "Conflict Minerals") are sometimes mined and sold by armed groups to finance unfair labor practices or human rights violations.

  • Conflict Minerals Mohawk Industries Inc.

    20181010&ensp·&ensp"Conflict Minerals" refers to gold, columbitetantalite (coltan), cassiterite, wolframite, and their respective derivatives, which are limited to tantalum, tin and tungsten. In July 2010, the United States passed legislation requiring all U.S. public companies to disclose the chain of custody of conflict minerals mined in the Democratic

  • Can the provenance of the conflict minerals columbite and

    201153&ensp·&enspAbstract. Conflict minerals is a term applied to ores mined in conditions of armed conflict and human rights abuse. Niobium and tantalum are two rare metals whose primary natural occurrence is in the complex oxide minerals columbite and tantalite, the ore of which is commonly referred to as coltan.

  • Kimball Electronics Responsible Sourcing

    The rule is intended to prevent human rights violations in conflict regions and will require supplier verifiion of sourcing for four types of minerals referred to as "conflict minerals" Cassiterite, Columbitetantalite, Gold, Wolframite, and their derivatives.

  • Conflict Minerals Policy Statement TI

    2014327&ensp·&ensp2010 imposes new supply chain reporting requirements on publicly traded companies to promote transparency and consumer awareness regarding the use of "conflict minerals" columbitetantalite (coltan), cassiterite, gold, wolframite, or their derivatives (tantalum, tin,

  • Infineon Technologies responsible global supply chain

    2016927&ensp·&ensp"Conflict Minerals" as defined by Securities and Exchange Commission (SEC) rules means cassiterite, columbite tantalite, gold, wolframite, or their derivatives, currently limited to tantalum, tin, tungsten and gold 1 .

  • Frequently Asked Questions Ecliptek

    201551&ensp·&enspFrequently Asked Questions Rev F. Conflict Minerals. 1. What minerals are considered conflict minerals? Conflict minerals, regardless of their origin, include columbitetantalite (tantalum), cassiterite (tin), wolframite the origin of conflict minerals in their supply chain and report on the due diligence or reasonable inquiries to

  • Tantalite Article about Tantalite by The Free Dictionary

    In the columbitetantalite series, there is a regular change in physical properties with increasing Ta 2 0 5 content tantalite is harder (up to 6.5 on Mohs' scale) and denser (7,0008,200 kg/m 3). Tantalite differs from columbite in its optical constants in the infrared region of the spectrum.

  • PT. Indra Eramulti Logam Industri

    2015428&ensp·&enspAccording to Section 1502 of the US DoddFrank Wall Street Reform and Consumer Protection Act signed into law 1 by President Obama on July 21st 2010 which defines 'Conflict Minerals and Metals' as gold, tin, tantalum, and tungsten, the derivatives of cassiterite, columbitetantalite

  • Responsible Supply Chain Western Digital (WD)

    20181024&ensp·&ensp(gold, columbitetantalite, also known as coltan, cassiterite, wolframite, or their derivatives tin We have established and maintain a responsible supply chain due

  • Geology, market and supply chain of niobium and

    2017827&ensp·&enspcontain pyrochlore, columbitetantalite, fersmite, loparite and strüverite. Assuming continued elasticity of Ta and Nb prices in the supply chain and increased use in steel making and industrial modernisation in China, Russia and India as the cause of price spikes in

  • Molex Supply Chain Management Conflict Minerals Policy

    20161129&ensp·&enspColumbitetantalite (coltan), cassiterite, gold, wolframite, or their derivatives, including tin, tantalum, tungsten, and gold are commonly referred to map its supply chain to identify smelters/refiners in the supply chain and require smelters/refiners to

  • (PDF) Geology, market and supply chain of niobium and

    20181012&ensp·&enspGeology, market and supply chain of niobium and tantaluma review. The Ta market is unstable due in part to historic influx of 'conflict' columbitetantalite concentrate, or "Coltan

  • China Drafts Conflict Minerals Law GoodBye Chain

    20181023&ensp·&enspChina Drafts Conflict Minerals Law and the scope includes all Chinese companies using or are engaged at any point in the supply chain of minerals and related products. Companies using or engaged in the supply chain of other natural resources are also encouraged to use the Guidelines as a reference. (coltan, columbite, tantalite, niobite

  • JCET CHANGJIANG ELEC. TECH.

    Requesting that our suppliers undertake commercially reasonable due diligence with their supply chain every year and provide the necessary evidence material and confirm

  • Conflict minerals EY

    2015729&ensp·&enspConflict minerals are "outside the supply chain" only "after any columbitetantalite, cassiterite, and wolframite minerals have been smelted after gold has been fully refined or after any conflict mineral, or its derivatives, that have not been

  • Responsible Supply Chain Western Digital (WD)

    20181023&ensp·&enspWestern Digital strongly disapproves of the violence in the Democratic Republic of Congo (DRC) and adjoining countries and is committed to supporting responsible sourcing of conflict minerals (gold, columbitetantalite, also known as coltan, cassiterite, wolframite, or their derivatives tin, tantalum or tungsten (collectively "3TG")) from the

  • Conflict Minerals Compliance. Collect & Validate CMRTs

    Conflict Minerals refers to four raw materials columbitetantalite, also known as coltan (from which tantalum is derived), cassiterite (tin), gold, wolframite (tungsten), or their derivatives. Publicly traded companies in the U.S. are required to submit a conflict minerals

  • flowsheet of production of tantalite eduioncare

    May 30, 2014 columbitetantalite (coltan), cassiterite, gold, wolframite, and their derivatives, listed out the materials and equipment used during the production of its products requested that the Suppliers in Concern provide a flow chart

  • Intel's Efforts to Achieve a

    2014101&ensp·&enspIntel's Efforts to Achieve a "Conflict Free" Supply Chain White Paper 1 "Conflict minerals" as defined by Securities and Exchange Commission (SEC) rules, is a broad term which means columbitetantalite

  • Conflict Minerals Sourcing Policy

    2018629&ensp·&enspConflict Minerals Sourcing Policy Columbitetantalite (coltan), cassiterite, wolframite and gold, or their derivatives, including tantalum, tin, and

  • Conflict Minerals Statement :

    20181027&ensp·&ensp(defined by the Act as Tin (Cassiterite), Tungsten (Wolframite), Tantalum (ColumbiteTantalite or Coltan) Waters expects its suppliers to exercise due diligence in

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