MAREC

MAREC

119-04-23

MAREC provides instruments and concepts for sustainable mining through the entire mining life cycle.

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Reference projects Mining

19-04-23

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Mine Closure ENCI Pit Maastricht Nl

Executed by MAREC partner: Witteveen+BosClient: Heidelberg Cement - ENCI

Description:• Closure of 130 hectares open chalk pit mine • Transformation into natural area, leisure and innovative business park

Services provided:• Project management and financial planning• Stakeholder participation• Post closure landscaping and ecological design

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Portuario – Puerto Busch project (PVPMMPB) Bolivia

Executed by MAREC partner: Witteveen+BosAssociated parties: DHVClient: Bolivian Ministry of Public Works, Services and Housing

Description:• Transport study between Mutun- iron ore area and existing infrastructure• Tender documentation for selected transport means• Assessment of environmental feasible solutions

Services provided:• Advice on feasibility study, ecological and hydrological situation • Design review, review environmental impact assessment

Executed by MAREC partner: Witteveen+BosClient: Solidaridad – Aqua4All

Description:• Study on the possible negative impacts of the Marlin Gold Mine in

Guatemala

Services provided:• Desk study on hydrological and environmental aspects• Desk study on dam stability

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Environmental aspects Marlin Mine Guatemala

Executed by MAREC partner: Witteveen+BosAssociated parties: Fichtner FME (De)Client: Kazakhmys Services Ltd.

Description:• Feasibility study on re-opening the abandoned Konraud Copper mine

Services provided:• Review of mining plan• Field assessment• Financial study (cost price assessment, risk assessment, multi variable

analyses)

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Re-opening Konraud mine Kazakhstan

Executed by MAREC partner: Witteveen+BosClient: Fundacja Greenpeace Poland

Description:• Study on the hydrological effects of closing the Tomislawice lignitemine

near lake Lubstwoski Poland (Nature 2000 area)

Services provided:• Hydrologeological review and assessment, including water balance and

development of surface water (SOBEK) and groundwater modeling (MODFLOW)

• Recommendations for closing

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Tomislawace Lignite Mine Poland

Executed by MAREC partner: Witteveen+BosAssociated partners: AEA/CE-Delft (European study), Fugro/Arcadis Dutch study Client: European Union, Ministry Economic affairs

Description:• Study on the effects of shale and coal gas production

Services provided:• Geological, geohydrological, geomechanical assessment• Effect studies on seismic activity, noise, ecology etc.• Assessment of legal aspects

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Impact studies on shale and coal gas production

Executed by MAREC partner: Witteveen+BosAssociated partners: IC Consulenten ZT, S&E Consulting engineers Client: UNDP

Description:• Assessment of 26 hot spot areas • Half of the sites involved (former) mining sites, including Rehove copper

mine, Perrenjas, Bulquize mine, Guri Kuq tailing dam and Elbasan and Burel ferrochrome smelters

Services provided:• Site investigation, risk assessment• Development of prioritising tool, prioritising• Assessment of remedial options

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Albanian Hot Spot Study

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Rehabilitation of 3 Serbian sites

Executed by MAREC partner: Witteveen+BosAssociated partners: NIRAS, RECClient: EU agency for Reconstruction

Description:• Assessment and ranking of hot spots in Savah river

area, including Cupper Mines of Bor, Majdanpek and Rudnik

• Preparation of remedial action plans for three sites including the Bor mining area

Services provided:• Site investigation, risk assessment, • Feasibility studies, remedial action plans, cost estimates• Stakeholder involvement

Executed by MAREC partner: Witteveen+Bos

Associated partners: Medusa, Tauw, FugroClient: Province of Brabant (ABdK)

Description:• Assessment of 1,100 km of tailing ore (zinc) roads by using innovative

investigation techniques• Based on results, risk assessment and cost estimates the various sites

were ranked for remediation

Services provided:• Site investigations, risk assessment• GIS-database• Development of remedial strategy

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Zinc ash project Campina Region

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Bor Serbia Rehabilitation project

Executed by MAREC partner: Witteveen+BosAssociated partners: REC, Dvokut ECRO, Energoproject-hydroengineeringClient: Ministry of Environment and Spatial Planning Serbia

Description:• Rehabilitation of the Bor mining area (in total 4,000 ha.), including tailing

ponds, tailing dams

Services provided:• Various studies (environmental, geohydrological, geotechnical, etc)

remedial plans, preparation of remedial tender documents• Landscaping• Permitting, stakeholder involvement, training etc.

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Arsenic mine waste project Georgia

Executed by MAREC partner: Witteveen+BosAssociated partners: CENN, Balast NedamClient: Dutch gouvernament (EVD Netherlands, PSO environment)

Description:• Former arsenic mining area, still containing large deposits and waste sites for

toxic Arsenic. Waste materials must be isolated in order to protect humans and environment

Services provided:• Site investigations, risk assessment• Design of containment options• Stakeholder involvement

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Case study mining on Romang Island Indonesia

Executed by MAREC partner: Witteveen+Bos

Associated partners: Saxion highschoolClient: Nuffic

Description:• At Roman Island a program is currently under way to develop mining

activities. Gold and other minerals are present

Services provided:• Course on the use of GIS and remote sensing for sustainable mining

development

Executed by MAREC partner: Eijkelkamp Agrisearch Equipment

Client: Les Carrières du fond des vaulx

Description:

• Minimize effects of mining activities

• Protection of nature

Services provided:

• Project management and installation of groundwater

monitoring network (GPRS & webapplication)

Groundwater monitoring networkBelgium

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Monitoring equipment & services Botswana

Executed by MAREC partner: Eijkelkamp’s distributor in Botswana

Associated partners: Aridus Hydro Geotechnik

Client: Jwaneng diamond mine

Services provided:• Supply & installation of geotechnical instrumentation for monitoring &

plant infrastructure

Executed by MAREC partner: SonicSampDrill (part of Royal Eijkelkamp group)

Client: PT Weda Bay Nickel

Description:• Grade control drilling for nickel in laterite and saprolite formation

Services provided:• Sampling for construction materials such as e.g. gravels and sands• Drilling small diameter water wells for local municipalities

Grade control drilling, Indonesia

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Executed by MAREC partner: SonicSampDrill (part of Royal Eijkelkamp group)

Client: Minatura Colombia

Description:

• Grade control drilling for gold in alluvial deposits, large diameter samples up to 45 meters in old tailings and virgin material

Services provided:

• Installation of monitoring pipes to measure ground water fluctuation

Grade control drilling, Colombia

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Executed by MAREC partner: SonicSampDrill (part of Royal Eijkelkamp group)

Client: Boskalis, Surinam

Description:

• Comprehensive training for grade control drilling for Bauxite deposits, sampling in hard and soft formations with 99 % recovery and high production per day

Services provided:

• Blast hole drilling and dewatering wells

Bauxite deposits, Surinam

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Executed by MAREC partner: SonicSampDrill (part of Royal Eijkelkamp group)

Client: GEMM

Description:

• Grade control drilling for titanium sands

• high production per day and 99 % recovery in saturated sands

• Installation of water wells, monitoring wells

Grade control drilling, India

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Executed by MAREC partner: SonicSampDrill (part of Royal Eijkelkamp group)

Client: Guinea titanium

Description:

• Accurate sampling of off shore and ocean elements for grade control drilling

• Soft sediment sampling with SSD patented AquaLock sampler up to 40 meters deep. 100 % determination of mineral deposits instead of dredging it all

River and off shore titanium sampling

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Executed by MAREC partner: SonicSampDrill (part of Royal Eijkelkamp group)

Client: BMP Indonesia

Description:

• Sampling of soft mineral sands in jungle

• Low footprint rig to avoid damage to surroundings

• Installation of water wells for local villages

Soft mineral sands

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Executed by MAREC partner: SonicSampDrill (part of Royal Eijkelkamp group)

Client: Ural Platinum

Description:

• Grade control drilling for platinum in the far East in arctic conditions

• Accurate sampling to allow accurate land stripping instead of 100 % excavating

Grade control drilling Russia

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Executed by MAREC partner: Eijkelkamp Agrisearch

Client: Ministry of Water

Description:

• Groundwater basic investigation with waterloggers in 162 cities in order to manage water

Groundwater basic investigation Korea

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Environment-friendly cutter

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Executed by MAREC partner: IHC

Client: Government of Hungary

Description:

• Removal of a thin polluted silt layer in a lake in Hungary

Services provided:

• Design of an environment-friendly cutter, which can remove the polluted silt layer without polluting the lake

Environment-friendly jig

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Executed by MAREC partner: IHC

Client: Dutch government

Description:

• Improving the cleaning of contaminated material by using special jigs

Services provided:

• Development of a new method of jigging for the cleaning of contaminated material

Dust prevention for coal transport

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Executed by MAREC partner: IHC

Client: Port of Rotterdam

Description:

• Development of alternative coal handling and transport methods, aimed at prevention of dust and sound pollution of coal transport by using slurry transport instead of a belt conveyer

Services provided:

• Conceptual development on the hydraulic transport of coal for harbor terminals

Domingas Project

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Executed by MAREC partner: IHC

Client: Mineraçao Rio Novo

Description:

• Assessment of minimized-impact mining methods for a diamond and gold mine in Brazil

Services provided:

• Planning and control of the tailings

• Development of a sustainable dredge mining method

• Resulting in mitigating measures and efficient method

Mining of diatomite in Iceland

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Executed by MAREC partner: IHC

Client: Mining company in Iceland

Description:

• Feasibility study on the mining of diatomite with minimized impact of the top biolayer

Services provided:

• Environmental Impact Assessment of the potential mining operation

• Study on how to minimize impact on the top most sediment layer

• Extensive tests on laboratory scale

Dredge mining of Chalk

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Executed by MAREC partner: IHC

Client: Holcim

Description:

• Evaluation of the possibilities to extend mine life of chalk quarry in Germany

Services provided:

• Study on the feasibility of using dredge mining equipment for the mining of chalk

• Tests for the behavior of dredged chalk during transport

• Providing a possible sustainable solution to prevent environmental impact on sensitive marshlands

Grensmaasproject

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Executed by MAREC partner: IHC

Client: RWS – directie Limburg

Description:

• Mining and processing of sand and gravel for the ‘grensmaasproject’, in a challenging environmental framework

Services provided:

• Study on different ways to mine and process the sand and gravel

• Incorporation of environmental boundary conditions in the process design

Dry to wet mining operation

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Executed by MAREC partner: IHC

Client: Millennium Inorganic Chemicals

Description:

• Changing a heavy minerals mine in Brazil from dry mining methods to a wet mining operation, increasing the lifetime of the mine with >10 years

Services provided:

• Evaluation of wet mining methods

• Water management

• Tailings management

• Training of personnel

Rehandling of tin tailings

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Executed by MAREC partner: IHC

Client: Minsur SA

Description:

• Rehandling of tin tailings in Peru

Services provided:

• Study on the possibility of tailings rehandling with a dredge mining option

Gold mining in Colombia

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Executed by MAREC partner: IHC

Client: Mineros de Antioquia

Description:

• Improvement of gold dredge mining process efficiency by the introduction of dedicated clay overburden stripping dredgers

Services provided:

• Evaluation of mining process optimisation

• Design of an overburden dredger

• Training of personnel

• Study on the reclamation of the land

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