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Professional Biography

Justin Roth has over 10 years of professional experience as a petrologist/petrographer, stemming from his more than a decade-long relationship with the petrographic microscope. As a Materials Scientist, Justin characterizes concrete samples based on aggregate composition, cement paste quality, water/cement ratio, air void percentage, depth of carbonation, and evidence of alkali-silica reactions (ASR). Through these investigations, Justin provides insight into concrete’s big-picture ideas: potential failure mechanisms, corrosion, weathering/leaching, fire damage, sulfate attack, and freeze/thaw durability.

Spending the first part of his career as a petrologist in the oil and gas industry, Justin achieved expertise in various methods of characterizing rock types based on composition, texture, organic content, porosity, and permeability.

Credentials & Certifications

  • M.S.

Professional Experience

  • Materials Scientist | YA Group | 2024 - Currect
  • Project Petrographer/Geologist | GeoStructures, Inc. | 2019 - 2024
  • Digital Rock Geologist/Petrologist | Schlumberger | 2014 - 2019

Publications and Presentations

  • Roth, J., Davatzes, N.C., and Davatzes, A. E. K. (2013). “Investigating the Volume and Structure of Porosity in Fractured and Unfractured Rock From the Newberry Volcano, Oregon, USA: Evaluation of Two- and Three- Dimensional Methods.” Geothermal Resources Council Annual Meeting., Vol.37, p. 209. (2013)

Education

  • Master of Science, Geology, Temple University, Philadelphia, Pennsylvania
  • Bachelor of Science, Geology, Millersville University, Lancaster, Pennsylvania

Affiliations

  • Society of Concrete Petrographers Geological Society of America

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