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    Geophysical investigation to support exploration for critical raw materials and deep geothermal energy – Brabant Massif

    Flemish Government

    Geophysical investigation to support exploration for critical raw materials and deep geothermal energy – Brabant Massif

    1. Competition notice published

      Sep 7, 8:00 PMSeptember 7, 2026 8:00 PM

    2. Tender submission deadline

      Oct 14, 8:00 AMOctober 14, 2026 8:00 AM

    3. Tender validity period

      Feb 11, 9:00 AMFebruary 11, 2027 9:00 AM

    Brief

    Belgium: Tenders/Flemish Government/Geophysical investigation to support exploration for critical raw materials and deep geothermal energy – Brabant Massif
    Brief

    Geotekniske undersøkelser

    The Flemish Government needs geophysical investigation services to support exploration for critical raw materials and deep geothermal energy in the Brabant Massif (Flanders), specifically in the south-western part of Flemish Brabant and potentially Southern West Flanders. The contract involves carrying out gravimetric and magnetotelluric measurements to gain insight into the internal structure, composition, and geodynamic history of the Brabant Massif. The core of the contract is to carry out measurements and process raw data into an interpretable result, with the contractor providing an initial, large-scale interpretation. The contract has a fixed portion and a conditional portion, with the conditional portion being communicated in writing if decided.

    About the bid

      This contract involves carrying out gravimetric and magnetotelluric measurements in the Brabant Massif (Flanders) as part of geological exploration for mineralisation and deep geothermal energy. At the same time, the new data will provide further insight into the internal structure, composition and geodynamic history of the Brabant Massif. The contract focuses on two study areas and comprises a fixed portion and a conditional portion. If it is decided to proceed with the conditional portion, this will be communicated in writing by the official responsible for the contract. The first study area (approx. 11–16 km²) is located in the south-western part of Flemish Brabant. This area forms part of Zone 1 of the Flemish Exploration Program (part of the Belgian Exploration Program) for Critical Raw Materials: ‘low-density bodies and polysulphide mineralisation in the Brabant Massif’. The study area includes various geological structures and features that are relevant to further exploration, including the Nieuwpoort-Asquempont Fault Zone, the Asquempont Lineament, hypabyssal and possibly plutonic intrusions, and polysulphide mineralisation identified in existing boreholes. To better map the structures and their interrelationships, additional geophysical investigation is considered necessary before defining a focus area for further investigation in the next phase of the Exploration Program, potentially followed by drilling a borehole, depending on the results and available funding. More specifically, under this contract, additional gravimetric measurements are to be carried out to refine the existing data and achieve an average resolution of 4 measurements per km², supplemented by magnetotelluric (MT) measurements along several transects through the study area. The gravimetric measurements and half of the MT measurements constitute the fixed (minimum) portion of these specifications. The second half of the MT measurements forms part of the conditional portion of these specifications (see Chapter 3 for further details). Southern West Flanders is a potential second study area. This area is a prospecting area for deep geothermal energy. At this stage of the exploration, the aim is to use MT measurements to obtain a clearer picture of the geological structure of the study area, with particular attention to the location and potential waterbearing nature of the fault zones. This second study area forms part of the conditional portion of these specifications (see Chapter 3 for further details). Carrying out the measurements and processing the raw data into an interpretable result form the core of this contract. The contractor shall provide an initial, large-scale interpretation of the results obtained, but detailed interpretation and further follow-up of the Exploration Program do not form part of this contract.

      Contact phone
      +32 25538011
      Contact email
      beleid.omgeving@vlaanderen.be
      Address
      Koning Albert II-laan 15 bus 553, 1210 Sint-Joost-ten-Node

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    See the full notice

    Contracting authority
    Flemish Government
    Title
    Geophysical investigation to support exploration for critical raw materials and deep geothermal energy – Brabant Massif
    Type
    CompetitionPrequalification
    Main code
    71351000Geological, geophysical and other scientific prospecting services
    Supplemental codes
    14212420Subsoil71351710Geophysical prospecting services71351730Geological prospecting services71351910Geology services71351913Geological exploration services71352000Subsurface surveying services
    Location
    Arr. Halle-Vilvoorde, Arr. Kortrijk, Arr. Ieper, Arr. Aalst, Arr. Roeselare

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