Bunyu Project

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Mine TypeOpen Pit
  • Graphite
Mining Method
  • Truck & Shovel / Loader
Production Start... Lock
Mine Life... Lock
ShapshotBunyu is one of the largest graphite deposits in the world.

Having commissioned Bunyu Stage 1, Volt intends to move to Stage 2 later this decade with the goal of leveraging the platform established by Stage 1, and Bunyu’s status as one of the largest graphite resources globally, to dramatically scale production from 24,780 to 170,000 tonnes per annum and help meet the forecasted global increase in demand for graphite products.

Environmental Impact Assessment Certificate and Mining Licences received covering both Stage 1 and 2.

As of January 2024, Volt Resources has been delivered graphite concentrate to the customer. Volt Resources expect to get the customer feedback before 29 March 2024. The company believes that successful completion of product qualification by the customer will enable it to secure the Bunyu Project financing.


Volt Resources Ltd. 100 % Indirect
The Bunyu Project PLs are held by Volt Graphite Tanzania Ltd (formerly Nachi Resources Limited) which in turn is 100% owned by Volt Resources Limited.



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Deposit type

  • Metamorphic


The graphite mineralisation occurs in Archean basement rocks of the Mozambique Belt system which principally comprise metamorphic rocks ranging from schist to gneisses including marbles, amphibolite, graphitic schist, mica and kyanite schist, acid gneisses, hornblende, biotite and garnet gneisses, quartzite, granulite, and pegmatite veins.

Exploration has focused on areas where there is no or minimal overlying younger sedimentary sequences remaining (mostly Cretaceous sandstones and conglomerates).

• The main zones of mineralisation extend over an area of 3 km along strike, 800 m to 1.3 km across strike and from surface to a drilled depth of approximately 150 m below surface.

• The Bunyu 1 mineralisation remains open to the north-east (where it is under a thick sedimentary sequence), to the south-west and at depth.



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Mining Methods


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Crushers and Mills


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CommodityProductUnitsAvg. Annual
Graphite Flake t 24,780

Operational metrics

Annual processing capacity  ....  Subscribe
Stripping / waste ratio  ....  Subscribe
Waste tonnes, LOM  ....  Subscribe
Ore tonnes mined, LOM  ....  Subscribe
Total tonnes mined, LOM  ....  Subscribe
Tonnes processed, LOM  ....  Subscribe
* According to 2023 study.

Production Costs

Cash costs Graphite USD  ....  Subscribe
Assumed price Graphite USD  ....  Subscribe
* According to 2023 study / presentation.

Operating Costs

OP mining costs ($/t milled) USD 10.7 *  
Processing costs ($/t milled) USD  ....  Subscribe
G&A ($/t milled) USD  ....  Subscribe
Total operating costs ($/t milled) USD  ....  Subscribe
* According to 2023 study.

Project Costs

MetricsUnitsLOM Total
Pre-Production capital costs $M USD  ......  Subscribe
Net revenue (LOM) $M USD  ......  Subscribe
EBITDA (LOM) $M USD  ......  Subscribe
Pre-tax NPV @ 7.5% $M USD  ......  Subscribe
After-tax NPV @ 5% $M USD  ......  Subscribe
After-tax NPV @ 10% $M USD  ......  Subscribe
After-tax NPV @ 7.5% $M USD  ......  Subscribe
Pre-tax IRR, %  ......  Subscribe
After-tax IRR, %  ......  Subscribe
Pre-tax payback period, years  ......  Subscribe
After-tax payback period, years  ......  Subscribe

Heavy Mobile Equipment

Fleet data has not been reported.


Mine Management

Job TitleNameEmailProfileRef. Date
....................... Subscription required ....................... Subscription required ........... Subscription required Subscription required Feb 28, 2024

EmployeesContractorsTotal WorkforceYear
...... Subscription required ...... Subscription required ...... Subscription required 2023


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