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Brazil
Tapira Mine

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 Location:
31 km S from Araxa, Brazil

  Address:
Rodovia MGC, km 196.5
Tapira
Brazil
38185-000
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit
Commodities
  • Phosphate rock
Mining Method
  • Truck & Shovel / Loader
Production Start...
Mine Life2057


Owners

Source: p. 1-1
CompanyInterestOwnership
The Mosaic Company 100 % Indirect
Mosaic Fertilizantes P&K S.A. (operator) 100 % Direct
Tapira is 100% owned by Mosaic Fertilizantes P&K S.A., a wholly owned indirect subsidiary of Mosaic.

Contractors

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Deposit Type

  • Carbonatite hosted
  • Hydrothermal


Summary:

The Tapira phosphate deposit is part of a series of Late-Cretaceous, carbonatite-bearing alkaline ultramafic plutonic complexes belong to the Alto Paranaiba Igneous Province. The Tapira igneous rocks intrude the phyllites, schists, and quartzites of the Late-Proterozoic Brasilia mobile belt.

The Tapira igneous complex is roughly elliptical, 35 square kilometers (km2) in area and consists predominantly of alkaline pyroxenite rocks with subordinate carbonatite, serpentinite (dunite), glimmerite, syenite, and ultramafic potassic dikes. Locally, the pyroxenites are divided into:

1. Bebedourites: a local name for a variety of biotite pyroxenite composed essentially of aegirine-augite, and biotite with perovskite and opaques.

2. Phoscorites: plutonic ultramafic rocks, containing magnetite, apatite, and one of the silicates, forsterite, diopside, or phlogopite. Phoscorites almost always occur in close association with carbonatites.

The Tapira phosphate deposit was formed by the supergenic alteration of bebedourites, phoscorites, and carbonatites rich in apatite. The extreme weathering process was responsible for the residual concentration of apatite. The weathering processes are typically related to the partial hydrolysis of silicate rocks and the dissolution of carbonates, with a general loss of calcium (Ca), magnesium (Mg), potassium (K), and silica (Si), and the accumulation of aluminum (Al), iron (Fe), and titanium (Ti), from the base ........


Mining Methods

  • Truck & Shovel / Loader


Summary:

The ore at Tapira is recovered using open-pit conventional truck and shovel mining methods due to the proximity of the ore to the surface and the physical characteristics of the deposit. Mining operations progress in a four-step process, which includes clear and grub, drilling and blasting, overburden removal, and ore production. In the development phase, drainage and water control are established, and then the required infrastructure consisting of power, pipelines, and roadways is established.

Surface areas to be disturbed during the mining process are progressively cleared of vegetation using track dozers, as necessary.

Blasting at Tapira is conducted by Enaex Britante. The main explosive in use is emulsion and the blast design includes 4.5 to 5-inch diameter holes, in a 10-meter bench with a burden of 2.1 to 3.8 m and a spacing from 2.5 m up to 4.4 m. Typical powder factors range from 200 g/t up to around 330 g/t.st.

Waste is hauled to one of the 6 ex-pit overburden storage facilities, serving different areas and types of waste from the mine. Waste containing notably higher grades of titanium is hauled to one of the two titanium stockpiles. Overburden material is loaded by a Hitachi EX1200 or Hitachi EX2500 bucket-class hydraulic mining excavator loading CAT 777 90-tonne haul trucks or Komatsu 730E 180-tonne haul trucks. Dozers assist the loading fleet with general clean-up and material removal, as necessary. Overburden material is hauled ........


Crushing and Grinding
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Processing

Flow Sheet: Subscription required

Summary:

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Production:

CommodityUnits202120202019201820162015
Phosphate rock kt  ......  Subscription required  ......  Subscription required  ......  Subscription required1,9001,6331,970
All production numbers are expressed as concentrate.
Subscription required - Subscription is required.

Operational Metrics:

Metrics2021202020192018
Annual production capacity  ......  Subscription required  ......  Subscription required2.1 Mt of phosphate rock concentrate2.1 Mt of phosphate rock concentrate
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Reserves at December 31, 2021:
Cut-off grade of P2O5ap > 5.0% and 0.9 < RCP < 3.0 was applied to mineral resources and mineral reserves.

CategoryTonnage CommodityGrade
Proven 193.7 Mt P2O5 9.4 %
Probable 275.6 Mt P2O5 9.1 %
Proven & Probable 469.3 Mt P2O5 9.2 %
Measured 62.8 Mt P2O5 8 %
Indicated 67 Mt P2O5 7.8 %
Measured & Indicated 129.8 Mt P2O5 7.9 %
Inferred 112.8 Mt P2O5 8.6 %

Financials:

Units2021
Book Value M USD  ......  Subscription required
Subscription required - Subscription is required


Pipelines
TypeMaterialDiameterLengthDescription


Heavy Mobile Equipment as of December 31, 2021:
HME TypeModelQuantityLeased or
Contractor
Backhoe ....................... Subscription required Leased
Backhoe ....................... Subscription required Leased
Dozer ....................... Subscription required Leased
Excavator ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required Leased
Excavator ....................... Subscription required Leased
Grader ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required Leased
Loader (FEL) ....................... Subscription required Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Leased
Truck (haul) ....................... Subscription required ....................... Subscription required Leased
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Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jun 30, 2022
....................... Subscription required ....................... Subscription required Subscription required Jun 30, 2022
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Corporate Filings & Presentations:

DocumentYear
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
Form 10-K 2018
Form 40-F 2016
Form 20-F 2015
Other 2005
Other 2005
Environmental Assessment 2001
Subscription required - Subscription is required.

Subscription required - Subscription is required.

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