SLR’s Geology Team has widespread experience in assessing the natural resources needed for today’s society.

We provide independent geoscientific assessment of geological resources. Our team has extensive experience in assessing the natural resources needed for today's society. We are committed to providing critical advice and practical solutions for the sustainable management of mineral resources in an increasingly de-carbonising, circular economy.

Our team provides industry-recognised expertise across a broad range of commodities, including; aggregates and industrial minerals, metallic minerals, hydrocarbons, and geothermal resources. From exploration and feasibility through to development and optimisation, restoration and after use, we can unlock the potential value in your operation. Every project has its unique challenges, and we strive to advise clients appropriately at every stage of their project.

SLR have extensive capabilities in a wide range of GIS, geological modelling, and 3D design software packages.

How can we help?

SLR provides a range of geology services for our clients, including:

Aggregates & Industrial Minerals

  • Land searches and desktop studies
  • Field mapping and geological interpretation
  • Soil and rock logging
  • Mineral reserve and resource estimation
  • Mineral exploration and site investigation
  • Geological modelling
  • Quarry and mine design
  • Petrographic analysis / Quality assurance
  • Geotechnical Appraisal and Assessment
  • Due diligence


  • Technical Reporting compliant with listing regulations (QP/CP)
  • Regulatory advice
  • Expert witness
  • Mineral valuations
  • Mineral reserve and resource estimation
  • Mineral exploration and site investigation
  • Geological modelling
  • Due diligence

Geothermal and Carbon

  • Assessment and commercialisation of geothermal resources
  • Carbon capture and energy storage advice

Planning & Heritage

  • Mineral safeguarding assessments
  • Mineral planning advice and bespoke applications
  • Outdoor / recreational tourism assessment & development
  • Geological conservation, geoheritage audits and management

Our team includes

  • Paul Gordon Technical Discipline Manager
    Paul Gordon

    Paul is a Technical Director and Geology Team Leader, working on a range of projects internationally, primarily related to mineral exploration and reporting. Paul has worked at all stages of the exploration and mining spectrum from first concept through to greenfields, advanced exploration, near-mine exploration, and as an underground production geologist. Paul is also one of the IGI’s representatives on the Pan-European Reserves and Resources Reporting Committee (PERC).

  • Deirdre Lewis Technical Director
    Deirdre Lewis

    Deirdre has worked extensively internationally in mineral exploration and preparation of Competent Persons Report and project valuations. She manages multi-disciplinary projects in institutional strengthening and sustainable resource management for the European Union, United Nations Development Programme and World Bank in developing countries. In Ireland, she has also managed and developed recreational tourism strategies and masterplans and advised on renewable energy projects through effective strategies for enhanced community engagement along the project development chain.

  • Nick O'Neill Director
    Nick O'Neill

    Nick has an interest in the sustainable development of natural resources and the promotion of Ireland as a place to explore for clean gas. He has been involved in drilling and exploring for oil and gas in Europe, Middle East, Africa, South America and the North Sea. Nick is currently Project Manager for the Irish Petroleum Infrastructure Programme, a joint government/oil industry research programme to enhance Ireland’s hydrocarbon prospects. Nick has contributed to a number of strategic reports on Irish energy policy including strategic gas storage, wind energy, and building community engagement and social support in energy transition.

  • Ben Matthews Technical Director
    Ben Matthews

    Based in the Bristol office, Ben has over 18 years’ experience in the Aggregates and Industrial Minerals industry. Ben is a Chartered Geologist and is experienced in all stages of the mineral extraction lifecycle, from exploration and assessment of resources, planning and permitting, quarry design, quality control, geotechnical management, restoration and after-use along with aspects such as geodiversity and mineral safeguarding.