DUSK

Progress on the ground

Since the project was taken over in 2025, DUSK has launched an extensive programme of technical studies and field work in Gabon.

Field work

Field work in Gabon

  • Site investigations

    Topographic, geotechnical and bathymetric surveys at Mabounié, along the river and at Ozouri.

  • Rehabilitation of the Mabounié site

    Camp renovated and new power generation installed.

  • Access and infrastructure

    Tracks made safe, landing stage and targeted dredging.

  • Environment and social

    Surveys and meetings with local populations.

Geotechnical investigations.
Geotechnical investigations.
New power generator at Mabounié.
New power generator at Mabounié.
Mabounié camp site, February 2026.
Mabounié camp site, February 2026.

Pilot testing

Confirming the process

The process is being confirmed through a programme of pilot tests carried out by specialised laboratories in Canada and China, building on the pilot plants operated in France in the past.

Mineral processing pilot test work in progress at SGS, August 2026.
Mineral processing pilot test work in progress at SGS, August 2026.
Ore leaching pilot test work in progress at SGS, October 2026.
Ore leaching pilot test work in progress at SGS, October 2026.

Our partners

Around twenty international partners

The project is supported by around twenty international engineering firms, consultants, laboratories and technical institutes, coordinated by the DUSK teams. They include:

FieldPartners
Engineering and processChina ENFI Engineering Corporation (ENFI), Hatch
Mining and geologySRK Consulting
TailingsMecater
River logistics and portCCCC First Harbor Engineering Company
Laboratory and pilot testingSGS (Canada), GDAS and Fuzhou University (China)
Environment and socialEnvironmental and social consortium; ESS, TERA, INSUCO
Engineering working session in NEM Beijing office.
Engineering working session in NEM Beijing office.

Next steps

Towards the investment decision

The coming phases will complete pilot testing, engineering and the environmental and social impact studies, in close cooperation with the Gabonese authorities, as the project prepares for its investment decision.

The main phases ahead are shown below, with the ramp-up of production planned from 2030.

2027
2028
2029
2030
Investment decision
01Bankable Feasibility Study (BFS)
02Early works
03Execution
04First mine production
05Ramp-up

Indicative schedule. Production ramp-up planned from 2030.

01

2027–2028

Bankable Feasibility Study (BFS)

Completion of pilot testing, detailed engineering and the environmental and social impact studies, leading to the investment decision.

02

From late 2027

Early works

Site preparation, access, camp and enabling infrastructure at Mabounié and Ozouri.

03

From 2028

Execution

From the investment decision in 2028: construction of the mine and concentrator, the river logistics, the port and the Ozouri metallurgical plants.

04

End 2029

First mine production

Start of mining at Mabounié and first concentrate shipments to Ozouri.

05

2030

Ramp-up

Progressive ramp-up of the mine and plants towards full capacity from 2030.