Geoscience Consulting

Geothermal
Exploration &
Geoscience
Consulting

  • Geothermal exploration and resource assessment
  • Hydrogeology and water resources
  • Due diligence reviews of geothermal assets and prospects
  • Development of geothermal resources
  • Strategic advice to developers, investors, and officials
Field work
01
Services

Middle Earth Geoscience (MEG) is a sole proprietorship specializing in geothermal exploration and resource assessment. MEG offers geological field surveys, desktop reviews, and independent technical assessments of geothermal prospects in support of surface studies and project development.

02
Experience

Extensive international experience spanning a range of environmental, water, and geothermal power projects in more than 40 countries working with government agencies, the UN, the World Bank, large corporations, global engineering consultancies, international financial institutions, leading commercial banks, and private investors.

03
About

Principal Geologist Kenneth B. (Keg) Alexander has over 35 years of experience across the globe leading geoscience teams and managing multi-disciplinary geothermal exploration programs from early-stage reconnaissance through to drill-ready prospects.

Services

Geologist sampling at Toba hot spring

Site Reconnaissance

  • Desktop review and background research
  • Evaluation of aerial photos and DEM data
  • Lineament and fracture trace analysis
  • Initial site reconnaissance including field assessment and logistics planning
  • Health and safety risk evaluation
  • Evaluation of access and water supply options
  • Coordination with local stakeholders and government officials
  • Landowner negotiation

Geothermal Exploration

  • Preparation of field health & safety and exploration programs
  • Field sampling from fumaroles and hot springs
  • Field testing of chloride, pH, conductivity
  • Chemical characterization of surface features
  • Identifying and mapping areas of hydrothermal alteration
  • Geologic and hydrogeologic field surveys
  • Coordination of geophysical surveys (MT, gravity, magnetics)
  • Management of exploration programs in developing countries

Resource Assessment

  • Geochemical analysis and multicomponent geothermometry
  • Integration of geologic, geochemical, and geophysical data
  • Conceptual modeling
  • Evaluation of the estimated capacity of inferred geothermal resources
  • Geothermal resource assessment reports
  • Pre-feasibility studies
  • Well targeting
  • Geological prognosis reports for exploration drilling

Due Diligence & Technical Review

  • Due diligence assessments of geothermal resources and existing facilities
  • Review of multi-disciplinary geoscientific reports and conceptual models
  • Evaluation of resource size and long-term sustainability
  • Independent assessment of resource capacity using lognormal power density method
  • Site inspections
  • Verification of thermal features
  • Development of screening criteria to identify and rank prospects
  • Peer review

Experience

Gravity survey at Mt Longonot, Kenya

Geothermal Field Exploration

  • Exploration project manager, Picard River, Northern Dominica
  • Exploration project manager, Sorik Marapi, Sumatra, Indonesia
  • Exploration project manager, Efate Island, Vanuatu
  • Exploration project manager, Grande Comore, Comoros Islands
  • Exploration project manager, Mt Longonot, Kenya
  • Geothermal sampling, Denizli-Saraykoy-Tekkehammam, Turkey
  • Geothermal sampling, Flores Island, Indonesia
  • Geothermal sampling, Reporoa geothermal resource, New Zealand

Resource Assessment

  • Lead Geologist, Silali-Paka-Korosi, Olkaria, Kenya
  • Lead Geologist, Alum geothermal prospect, Esmeralda County, Nevada, USA
  • Lead Geologist, Tendaho, Tulu Moye, Corbetti, Abaya, Fantale, Ethiopia
  • Lead Geologist, West New Britain, Ambitle Is., Bougainville, Papua New Guinea
  • Lead Geologist, NW Assal, North Ghoubbet, Djibouti
  • Lead Geologist, 320 prospects, Indonesia
  • Stored heat assessments, Nevada and California, USA
  • Evaluation of geothermal prospects, South Pacific Region

Due Diligence & Technical Review

  • Confidential greenfield prospect in Mindanao, Philippines
  • Assessment for direct-use developments, Azerbaijan
  • UNEP and ARGeo technical advisor for Kibiro, Uganda & Ngozi, Tanzania
  • Wayang Windu Geothermal Power Station, Indonesia
  • Lochinvar geothermal prospect, Zambia
  • Wayang Windu, Salak, Darajat, Java, Indonesia
  • Geothermal development, Suswa Volcano, Kenya
  • Technical review for Mita Geothermal System, Guatemala

About & Contact

Keg Alexander on Sorik Marapi volcano, Indonesia

About Kenneth B. Alexander

CAREER HISTORY

Geothermal and Energy (18 years)

  • Owner & Principal Geologist, Middle Earth Geoscience, North Carolina, USA, 2026-present
  • Geoscience Team Lead, JRG Energy Consultants, North Carolina, USA, 2023-25
  • Geothermal Resources Lead, Fortescue Future Industries, Perth, Australia, 2021-23
  • Senior Associate - Hydrogeology, Beca Ltd, Auckland, New Zealand, 2019-21
  • Director & Principal Geologist, Middle Earth Geoscience, Auckland, New Zealand, 2014-19
  • Geothermal Geology Team Leader, IESE, University of Auckland, New Zealand, 2013-14
  • Senior Geologist, Geologica Geothermal Group, San Francisco, CA, USA, 2012-13
  • Senior Geologist, Sinclair Knight Merz (SKM), Auckland, New Zealand, 2008-12

    • Hydrogeology and Environmental (17 years)

    • Consulting Hydrogeologist, various environmental consulting firms, San Francisco and Seattle, USA, 1990-2007

      • PROFESSIONAL LICENSURE

      • Chartered Geologist & Fellow, The Geological Society of London
      • Certified Professional Geologist, AIPG
      • Certified Hydrogeolost, California
      • Professional Geologist, California

        • EDUCATION

        • M.A., Geological Sciences, University of Texas at Austin, USA
        • B.S., Geology, Virginia Tech, USA

Get in Touch

📍
Asheville, NC USA
📞
PH +1 828 231-2268
✉️
Keg@middleearth-geo.com