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Mining Engineers and Consultants

13515 Barrett Parkway Drive,
Suite 260,
Ballwin, Missouri,
63021 Other,
United States of America

13515 Barrett Parkway Drive,
Suite 260,
Ballwin, Missouri,
63021 Other,
United States of America

Marston is a full-service mining consulting organization with extensive experience in open-pit and underground coal, metal, oil-sand and industrial-mineral mines.

Mine-project exploration, development, operations management and logistics

Our consulting services cover the full mine lifecycle, including mine planning and feasibility studies; technical reports on mineral resources and reserves; markets and transportation reviews; mining project financing; mine management improvement and optimization; and mine closure. Marston’s staff of more than 100 professionals has extensive hands-on experience in exploration, development, operations management and logistics at many mining projects worldwide.

Engineering, geology, environmental and economic evaluations

Combining engineering and technical skills with our extensive understanding of mining operations and global minerals markets, we provide practical and cost-effective solutions to the challenges our customers face.

Some of our recent projects include:

  • National Instrument (NI) 43-101, JORC and SEC Guideline 7 resource and reserve reports
  • Detailed mining feasibility studies and engineering project reports
  • Geological modeling using Mincom, GEMCOM and Vulcan software
  • Pit optimization using Whittle and Lerchs-Grossman analyses
  • Short and long-term mine planning and budgeting
  • Due-diligence reviews of open-pit and underground mines
  • Capital, operating, reclamation and mine-closure cost estimates
  • Field exploration program management, and site support
  • Marketing studies and economic evaluations
  • Fuel-supply contract evaluation and administrative support
  • Expert testimony

Mine software systems

Marston employs the most up-to-date technology and engineering expertise when tackling the problems our clients face in the mining business. As expert and active users of multiple mining software systems, we work from offices in the US, Canada, Australia, India and South Africa to pool our resources and develop solutions and plans that are driven by fundamental engineering, geology technology and economics.

Mining and resource project consultancy

Marston is an independently-owned professional services company that is not affiliated with any equipment supplier, mining company or contractor. Since its founding in 1977, Marston has helped many mine owners and investors by offering insight and solutions regarding mining and resource projects and problems. Marston professionals develop practical solutions for clients that are firmly grounded in engineering, geology and mining economics.

Our clients include major mining firms, junior exploration and development companies, financial institutions, private investors, and electric power generators and developers.

Marston Hires Jim Sronce as Mining Consultant

Marston is pleased to announce the addition of Jim Sronce as mining consultant. Jim brings many years of experience to Marston with a focus on applying Mincom© Minescape in surface mine planning and scheduling. Prior to joining Marston, he worked at Mincom US as one of its primary consu

Marston Promotes Dale Halley to Vice President of Engineering Services

Marston is pleased to announce that Dale Halley has been promoted to vice president – engineering services for Marston’s Denver office. Halley joined Marston in 1998 as a project manager. He offers 23 years of mining experience in due diligence evaluations, surface coal mine design and

Carl Fessenden Joins Marston as Consulting Engineer

Marston is pleased to announce that Carl Fessenden, consulting engineer, has recently joined the company. With more than 20 years of mining experience, Fessenden is a versatile, accomplished mining engineer with expertise in software systems, consulting and engineering services with an emphasis o

Newcastle Office

6 Kings Road

New Lambton

NSW 2305




13515 Barrett Parkway Drive

Suite 260

Ballwin, Missouri



United States of America

Calgary Office: Marston Canada Ltd

2116-27th Ave NE.

Suite 220

Calgary, AB T2E 7A6



San Antonio Office

14607 San Pedro Ave

Suite 250

San Antonio, TX 78232


United States of America

Denver Office

3900 South Wadsworth Blvd.

Suite 440

Lakewood, Colorado 80235


United States of America