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Brazil
Urucum Mine (Midwestern System)

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 Location:
27 km S from Corumbá, Brazil

  Address:
Rua Cabral 1555, Centro
Corumbá
Brazil
79332-030
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Overview

StatusTemporary Suspension
Mine TypeUnderground
Commodities
  • Iron Ore
  • Manganese
Mining Method
  • Room-and-pillar
Production Start...
Mine Life2027
Urucum mine operations have been suspended since October 2021 due to strategic review.

In April 2022, Vale entered into a binding agreement with J&F Mineração Ltda. (“J&F”) for the sale of of all the shares issued by Mineração Corumbaense Reunida S.A., Mineração Mato Grosso S.A., International Iron Company, Inc. and Transbarge Navegación Sociedad Anónima, which hold Vale's iron ore, manganese ore and logistics assets in the Midwestern System. The agreed enterprise value of the transaction is approximately US$1.2 billion for the assets. At closing, Vale expects to receive approximately US$150 million, in addition to transferring to J&F the obligations related to the take-or-pay logistics contracts, subject to the consent of the applicable counterparties, and other liabilities existing in the transferred assets.


Owners

Source:
CompanyInterestOwnership
J&F Mineração Ltda. 100 % Indirect
On April 6, 2022, Vale S.A. signed a binding agreement for the sale, to J&F Mineração Ltda., controlled by J&F Investimentos S.A., of all the shares issued by Mineração Corumbaense Reunida S.A., Mineração Mato Grosso S.A., International Iron Company, Inc. and Transbarge Navegación Sociedad Anónima, which hold Iron Ore, Manganese Ore and Logistics assets in the Midwestern System, including the full assumption by the buyer of the take-or-pay logistics contracts, subject to the consent of the applicable counterparties. Under the terms agreed, the enterprise value of the transaction is approximately US$ 1.2 billion for a set of assets.

Contractors

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Deposit Type

  • Banded iron formation


Summary:

The Urucum deposits are associated with banded iron formations (BIF), locally known as jaspelites. The iron and manganese deposits are found in the plateaus which rise from the plains of the Paraguay River and near Mutum Mountain.

The sediments of the Urucúm Basin constitute an epicontinental marine sequence beginning with the basal Jacadigo Group that comprises clastic sediments with carbonatic matrix, overlain by iron-rich arkoses and Jaspilites with manganese layers (Band'Alta Formation), followed by the Corumba Group with limestones, dolomites slates and siltites (Cerradinho Formation) overlain by dark dolomites and limestone breccia of the Araras Formation. This sequence developed in a slow sinking basin with upward gradation from clastic to chemical sedimentation without volcanic contribution. Deposition of widespread iron and manganese rich sediments is due to sharp variation in the Eh conditions most probably under the influence of marine currents in a restricted basin partially protected from atmosphere by large ice caps.

The jaspilites of the Band'Alta Formation present a primary banding defined by planar layers and lenses of quartz and hematite, with variable thickness, from mm to cm. (Fig. 4d). Quartz is usually cryptocrystalline (chert) and hematite appears, similar to the Carajás jaspilites, as microcrystalline aggregates or as very fine platy crystals. Recrystallization of both hematite and quartz results in xenoblastic aggregates that occ ........


Mining Methods

  • Room-and-pillar


Summary:

Urucum is an underground mine with on-site beneficiation plant which located at State of Mato Grosso do Sul in Brazil.

Urucum underground mine is employed Room and pillar mining method to extract high and medium grade oxide ores with an average content of 46% manganese grade.

The broken ore is flushed down to simple loading chutes for rail haulage to the mouth of the mine. The ore is crushed to 6 inch size over a grizzly and transported by trucks for dispatch. There is no beneficiation carried out except crushing and screening at the mine site.

Urucum mine operations have been suspended since October 2021 due to strategic review.


Crushing and Grinding


Processing

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Summary:

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Production:

CommodityUnits202120202019201820172016
Manganese Mt  ......  Subscription required  ......  Subscription required  ......  Subscription required0.70.70.7
Iron Ore Mt  ......  Subscription required
All production numbers are expressed as lump & fines.
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Reserves at December 31, 2017:

CategoryTonnage CommodityGrade
Proven 7.9 Mt Manganese 46.4 %
Probable 1.3 Mt Manganese 47 %
Proven & Probable 9.3 Mt Manganese 46.5 %



Heavy Mobile Equipment:

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 10, 2022
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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
Form 20-F 2018
Form 20-F 2017
Form 20-F 2016
Form 20-F 2015
Form 20-F 2014
Other 2014
Form 20-F 2013
Other 2000
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