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Tanzania
Geita Mine

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 Location:
0 km from Geita, Tanzania

  Address:
P.O. Box 532
Geita
Tanzania
Phone  ...  Subscription required
Fax+ 255-282-160-104
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  • Overview
  • Owners
  • Geology
  • Mining
  • Processing
  • Production
  • Reserves
  • Costs & Financials
  • Fleet
  • Personnel
  • Filings & News

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Overview

StageProduction
Mine TypeOpen Pit & Underground
Commodities
  • Gold
Mining Method
  • Longitudinal open stoping
  • Truck & Shovel / Loader
  • Transverse open stoping
  • Cemented backfill
Production Start...
Mine Life2030
Geita Gold Mine currently has three underground mines (Star and Comet, Nyankanga and Geita Hill) and one open pit (Nyamulilima Cuts 1, 2 and 3) which has been in production since 2021.


Owners

Source: p. 36
CompanyInterestOwnership
AngloGold Ashanti Ltd. 100 % Indirect
Geita Gold Mine Ltd. (operator) 100 % Direct
Geita Gold Mine (GGM) is wholly owned and operated by Geita Gold Mining Limited (GGML), a subsidiary of AngloGold Ashanti Limited.

Contractors

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Deposit Type

  • Banded iron formation
  • Vein / narrow vein
  • Orogenic


Summary:

Geology GGM is hosted in the Geita Greenstone Belt (GGB), which is a northern segment of the Sukumaland Greenstone Belt, located in the northwestern part of the Tanzania Craton and south of Lake Victoria. This Archaean sequence strikes almost east-west, extending for about 80km and is up to 20km wide. The GGB sits dominantly within the Nyanzian Supergroup stratigraphy that is subdivided into the Lower Nyanzian and the Upper Nyanzian Groups. Deposit type A simplified stratigraphy of the main igneous rocks in the Geita area is summarised as: Archaean gabbro, basalts, intermediate to acid volcanoclastic sediments, diorites, tonalites-granodiorites, granites and Proterozoic gabbro dykes. Across the Archaean-Proterozoic rocks there is a property-wide paleo-drainage system, which likely flowed towards Lake Victoria. These late sediments likely represent the remnants of a much thicker package that might have covered all the hills exposed today. Both the Archaean-Proterozoic rocks and paleo-alluvials are covered by ferricrete at different levels of induration and evolution, up to 15m thick. The Geita gold deposits are shear-hosted, Archaean orogenic gold deposits. Within the GGML leases, the GGB is subdivided into three major mineralised trends: - Geita Central Trend, hosting the Nyankanga, Geita Hill and Lone Cone deposits. - Nyamulilima Trend in the west, hosting the Star and Comet, Ridge 8 and Nyamulilima deposits. - Matandani-Kukuluma Trend to the northeast, hosting the Matanda ........


Mining Methods

  • Longitudinal open stoping
  • Truck & Shovel / Loader
  • Transverse open stoping
  • Cemented backfill


Summary:

Mining at Geita is by both open pit and underground mining methods. Open pit mining at Nyankanga Cut 8 was completed in 2020. The Nyamulilima open pit commenced production in April 2021 and is scheduled to reach full production during 2022. This mining is done utilising a truck and shovel system operated by Geita with a contractor providing drill and blast support. Underground mining commenced at Star and Comet in 2016 and subsequently at Nyankanga in 2017 and most recently Geita Hill in 2020. Star and Comet underground has successfully transitioned to owner mining and the mining contractor African Underground Mining Services (AUMS) is used at Nyankanga and Geita Hill for underground development and stoping. The underground mining method is a combination of longitudinal and transverse open stoping. Cement Aggregate Fill (CAF) is used at Nyankanga to fill the primary stopes and allows for mining of secondary stopes. Ore is hauled from the Star and Comet and Nyankanga underground operations to the central run of mine (ROM) pad located at the Geita processing plant.

Open Pit
For the open pit operations at Geita, a conventional drill, blast, load and haul shovel and truck open pit mining method is used. This is the same mine method that was used at completed open pits for Nyankanga, Geita Hill, Lone Cone, Matandani, Kukuluma and Star and Comet.

Currently open pit operations are located at the Nyamulilima open pit deposit. The Nyamulilima open pit is com ........


Crushing and Grinding
Source: Source p.76-77
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Processing

Flow Sheet: Subscription required

Summary:

- subscription is required.


Production:

CommodityUnits2022202120202019201820172016
Gold koz  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required564539489
All production numbers are expressed as metal in doré.
Subscription required - Subscription is required.

Operational Metrics:

Metrics202220212020201920182017
Hourly processing capacity  ......  Subscription required
Annual processing capacity  ......  Subscription required  ......  Subscription required5.2 Mt5.3 Mt5.2 Mt
Total tonnes mined  ......  Subscription required  ......  Subscription required8,774 kt21,135 kt36,288 kt
Tonnes processed  ......  Subscription required  ......  Subscription required5.4 Mt5.2 Mt5.3 Mt5.4 Mt
Subscription required - Subscription is required.

Reserves at December 31, 2022:
Mineral Reserve cut-off grades are 1.00 g/t Au for Nyamulilima open-pit - Cuts 1, 2 and 3; vary from 0.70 to 0.90 g/t Au for Stockpiles; and vary from 2.77 to 4.20 g/t Au for underground depending on deposit.

CategoryTonnage CommodityGradeContained Metal
Proven & Probable 48.49 Mt Gold 2.29 g/t 3.57 M oz
Total Resource 125.33 Mt Gold 2.46 g/t 9.93 M oz

Commodity Production Costs:

CommodityUnits202220212020201920182017
Total cash costs Gold USD  ......  Subscription required
Total cash costs Gold USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 804 / oz†   608 / oz†  
All-in sustaining costs (sold) Gold USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 940 / oz†   941 / oz†  
All-in costs Gold USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required
† Net of By-Product.
Subscription required - Subscription is required.

Financials:

Units2022202120202019201820172016
Sustaining costs M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 60  
Capital expenditures M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 60   157   119  
Revenue M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 716  
Operating Income M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 94  
Gross profit M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 105  
EBIT M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 95  
EBITDA M USD  ......  Subscription required  ......  Subscription required  ......  Subscription required  ......  Subscription required 239  
Subscription required - Subscription is required


Pipelines and Water Supply
Source: Subscription required

- subscription is required.


Heavy Mobile Equipment as of December 31, 2022:
HME TypeModelSizeQuantityLeased or
Contractor
Dozer (crawler) ....................... Subscription required ....................... Subscription required
Dozer (rubber tire) ....................... Subscription required ....................... Subscription required
Drill (blasthole) 203 mm ....................... Subscription required Leased
Drill (blasthole) 127 mm ....................... Subscription required Leased
Drill (long hole) ....................... Subscription required
Drill (long hole) ....................... Subscription required Leased
Excavator ....................... Subscription required ....................... Subscription required
Excavator ....................... Subscription required 6 cu. m ....................... Subscription required
Excavator ....................... Subscription required 20 cu. m ....................... Subscription required
Excavator ....................... Subscription required 28 cu. m ....................... Subscription required
Explosives Charger ....................... Subscription required Leased
Grader ....................... Subscription required ....................... Subscription required
Jumbo ....................... Subscription required ....................... Subscription required
Jumbo ....................... Subscription required ....................... Subscription required Leased
Loader ....................... Subscription required ....................... Subscription required Leased
Loader ....................... Subscription required ....................... Subscription required
Loader ....................... Subscription required Leased
Loader ....................... Subscription required ....................... Subscription required Leased
Loader ....................... Subscription required
Loader ....................... Subscription required ....................... Subscription required
Loader - Tool Carrier ....................... Subscription required Leased
Loader - Tool Carrier ....................... Subscription required
Loader (FEL) ....................... Subscription required 5 cu. m ....................... Subscription required
Loader (FEL) ....................... Subscription required 9 cu. m ....................... Subscription required
Loader (FEL) ....................... Subscription required 12 cu. m ....................... Subscription required
Personnel Carrier ....................... Subscription required Leased
Truck (haul) ....................... Subscription required 100 t ....................... Subscription required
Truck (haul) ....................... Subscription required 150 t ....................... Subscription required
Truck (haul) ....................... Subscription required 240 t ....................... Subscription required
Truck (underground) ....................... Subscription required ....................... Subscription required
Truck (underground) ....................... Subscription required ....................... Subscription required Leased
Truck (water) ....................... Subscription required ....................... Subscription required
Subscription required - Subscription is required.

Mine Management:

Job TitleNameProfileRef. Date
....................... Subscription required ....................... Subscription required Subscription required Jul 11, 2023
....................... Subscription required ....................... Subscription required Subscription required Jul 16, 2023
....................... Subscription required ....................... Subscription required Subscription required Jul 11, 2023
....................... Subscription required ....................... Subscription required Subscription required Jul 11, 2023
....................... Subscription required ....................... Subscription required Subscription required Jul 16, 2023
....................... Subscription required ....................... Subscription required Subscription required Jul 11, 2023
....................... Subscription required ....................... Subscription required Subscription required Jul 11, 2023
....................... Subscription required ....................... Subscription required Subscription required Jul 11, 2023
Subscription required - Subscription is required.

Staff:

EmployeesContractorsTotal WorkforceYear
Subscription required Subscription required Subscription required 2022
Subscription required Subscription required Subscription required 2021
Subscription required Subscription required Subscription required 2020
Subscription required Subscription required Subscription required 2019
Subscription required Subscription required Subscription required 2018
Subscription required Subscription required Subscription required 2017
Subscription required Subscription required Subscription required 2016
Subscription required Subscription required Subscription required 2015
Subscription required Subscription required Subscription required 2014

Corporate Filings & Presentations:

DocumentYear
Other 2023
Fact Sheet 2022
Financial Review 2022
Form 20-F 2022
Integrated Report 2022
Other 2022
Other 2022
Technical Report 2022
Year-end Mineral Reserves 2022
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2021
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2020
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
................................... Subscription required 2019
Annual Report 2018
Fact Sheet 2018
Year-end Mineral Reserves 2018
Annual Report 2017
Year-end Mineral Reserves 2017
Annual Report 2016
Corporate Presentation 2016
Other 2016
Year-end Mineral Reserves 2016
Annual Report 2015
Year-end Mineral Reserves 2015
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