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What others have said about PCPG's Hydrostructural Methods in Bedrock Aquifer Characterization
and Remedial Decision Making seminar.

Presented by

Thomas D. Gillespie, P.G. (Gilmore & Associates, Inc.)

What was the most useful or valuable thing you learned from this seminar?

  • Working on the case studies

  • Varying influence of planar discontinuities
  • Looking forward to applying the model to predict/assist understanding of plume width in fract. rock.
  • The depth to which he explained groundwater flow within fractured rock.
  • the way I think about groundwater and structural geology.
  • Reinforcement of fracture flow mechanics, and localized variability within the overall field gradient.
  • Better understanding of flow through fractures and joints. Use structural geology techniques in bedrock aquifer investigations.
  • The review of hydrogeologic basics and how simple concepts can be used to solve complex problems was my most valuable take-away.
  • right sections... plume migration
  • practical examples
  • I think the assumptions discussion and the case studies are really valuable.
  • The case studies were extremely useful. I also enjoyed the problem solving time as well. It's been a while since I've broken out the protractor and it was great to dust off the cobwebs.
  • Visualization with the glass box regarding how anisotrophy is evaluated
  • flow doesn't follow strike
  • The relationship between the fracture orientations, gradient, the statistical likelihood for a water molecule to travel one direction vs the other, and the applicability to predicting plume migration based on those factors.
  • Refresher for right sections and geologic mapping; structure problems were fun!
  • Discussion of anisotrophy in ground water flow provided me with knowledge on how to more accurately calculate groundwater gradient/direction.
  • Very clear drawings conveying 3D concepts
  • To step back and view projects with an effort to better understand how the data and the hydrogeology inform a better understanding of the site.  Often our focus is too narrow and our interpretations, therefore, miss the mark.
  • Relationships between joints, bedding planes and gw flow
  • Case studies showing proven results that follow the blended model
  • I found the interpolation method to be useful.
  • It was a great refreshing on understanding the influence of bedrock structure on groundwater. It allowed me to think back to the basics and rebuild my understanding from a different perspective.
Specific feedback, positive or negative to help us improve course content and presentation
  • The 3-point problem method was revolutionary, so much easier for most applications and will be sharing with our junior staff.  For structural evaluation, I came out with a better understanding of how to evaluate fractures/etc. but think it would have benefited from some hands-on practice with stereonets as a refresher to aid in following along.
  • Excellent discussion of the trigonometry of fracture flow, right sections, graphical methods, outcrop patterns.
  • Best PCPG class I've had in a long time. I really enjoyed it.
  • Great course with impressive amount of information.
  • Great instructor!!!
  • An extra day! Or maybe just an extra half day. It would be extremely helpful to work through the problems and go a little deeper into how to apply the concepts we are being taught.
  • Good stuff and excellent presenter, but Tom is very familiar with the topic and terms, and consultants are not. Need to 'dumb' down some of the terms.
  • Good review of basic structural geology principles.
  • Great training and very informative. Would be better if two-day course.
  • Pace was a bit fast.
  • Great structural geology refresher.
  • Excellent presenter - keeps interest high throughout.
  • Convincingly conveys the idea that structural geology is determinate for fractured rock geology.
  • It is a complex topic but Tom breaks it down with good materials, examples and presentation. It would have been helpful to lead-off with overview of what will be covered so ensuing materials has more context in overall learning objectives.
  • Excellent course! Excellent instructor!
  • Just great!
  • More case studies would be beneficial to help show the real world applicability. Also, the course assumed planar conditions, some examples of flow conditions within structurally complex sites might help.
  • Very impressed by course materials and presentation by instructor.
  • Tom is an amazing wealth of knowledge, and an excellent speaker; very engaging.
  • A bit too much information for one day - a lot to soak in - but overall an excellent structural refresher.
  • A more step-by-step presentation of construction of right section would be helpful.
  • I don't do these types of problems too often (most not since I took the PG exam 23 years ago.) So I could have used more explanation before we did them.


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