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Internet Case Studies and Essays on Mining and the Environment


We will update this page periodically with various internet case studies from recent publications, MDAG products, and public information.



INTERNET CASE STUDIES AND ESSAYS
(formal citation below the link)


48. The MDAG Dynamic ARD-Onset Simulator (includes spreadsheet-based model and instructions/examples)
Morin, K.A. 2017. The MDAG Dynamic ARD-Onset Simulator. MDAG Internet Case Study #48, www.mdag.com/case_studies/cs48.html

47. A Case Study Revisited of Full-Scale ARD from a Waste-Rock Pile with Abundant Reactive Neutralization Potential
Morin, K.A. 2017. A Case Study Revisited of Full-Scale ARD from a Waste-Rock Pile with Abundant Reactive Neutralization Potential. MDAG Internet Case Study #47, www.mdag.com/case_studies/cs47.html

46. A Case Study of High-Frequency Time Series for Individual Chemical Elements in Waste-Rock Drainage
Morin, K.A. 2017. A Case Study of High-Frequency Time Series for Individual Chemical Elements in Waste-Rock Drainage. MDAG Internet Case Study #46, www.mdag.com/case_studies/cs46.html

45. A Case Study of Rapid Water Flow through Full-Scale Waste-Rock Piles
Morin, K.A. 2017. A Case Study of Rapid Water Flow through Full-Scale Waste-Rock Piles. MDAG Internet Case Study #45, www.mdag.com/case_studies/cs45.html

44. Geochemical Dynamics and Complexities of 1-kg Humidity Cells: Potentials for Geochemical Signal Generation, Phase Transitions, Harmonic Oscillations, and Conceptual Stacking for Large-Scale Predictions
Morin, K.A. 2016. Geochemical Dynamics and Complexities of 1-kg Humidity Cells: Potentials for Geochemical Signal Generation, Phase Transitions, Harmonic Oscillations, and Conceptual Stacking for Large-Scale Predictions. MDAG Internet Case Study #44, www.mdag.com/case_studies/cs44.html

43. Effects of Water-Retention Structures on Temporal Power Spectra for Drainage Waters
Morin, K.A. 2016. Effects of Water-Retention Structures on Temporal Power Spectra for Drainage Waters. MDAG Internet Case Study #43, www.mdag.com/case_studies/cs43.html

42. Dynamic Geochemical Tension (DGT) in Multi-Mineral-Water Systems - Origin, Characterization, and Role in Fractal 1-over-f Slopes in Minesite-Drainage Chemistry
Morin, K.A. 2016. Dynamic Geochemical Tension (DGT) in Multi-Mineral-Water Systems - Origin, Characterization, and Role in Fractal 1-over-f Slopes in Minesite-Drainage Chemistry. MDAG Internet Case Study #42, www.mdag.com/case_studies/cs42.html

41. Nonlinear Science of Minesite-Drainage Chemistry. 1 - Scaling and Buffering
Morin, K.A. 2015. Nonlinear Science of Minesite-Drainage Chemistry. 1 - Scaling and Buffering. MDAG Internet Case Study #41, www.mdag.com/case_studies/cs41.html

40. Fractal and Lognormal Characteristics, Short-Term Maximum Concentrations, and Appropriate Time Discretization of Minesite-Drainage Chemistry
Morin, K.A. 2015. Fractal and Lognormal Characteristics, Short-Term Maximum Concentrations, and Appropriate Time Discretization of Minesite-Drainage Chemistry. MDAG Internet Case Study #40, www.mdag.com/case_studies/cs40.html

39. Temporal Evolution of Net Potential Ratios
Morin, K.A. 2014. Temporal Evolution of Net Potential Ratios. MDAG Internet Case Study #39, www.mdag.com/case_studies/cs39.html

38. Scaling Factors of Humidity-Cell Kinetic Rates for Larger-Scale Predictions
Morin, K.A. 2013. Scaling Factors of Humidity-Cell Kinetic Rates for Larger-Scale Predictions. MDAG Internet Case Study #38, www.mdag.com/case_studies/cs38.html

37. The Science and Non-Science of Minesite-Drainage Chemistry
Morin, K.A. 2010. The Science and Non-Science of Minesite-Drainage Chemistry. MDAG Internet Case Study #37, www.mdag.com/case_studies/cs37.html

36. Microbial Effects on Minesite-Drainage Chemistry
Morin, K.A., and N.M. Hutt. 2010. Microbial Effects on Minesite-Drainage Chemistry. MDAG Internet Case Study #36, www.mdag.com/case_studies/cs36.html

35. Twenty-Three Years of Monitoring Minesite-Drainage Chemistry, During Operation and After Closure: The Equity Silver Minesite, British Columbia, Canada
Morin, K.A., N.M. Hutt, and M.L. Aziz. 2010. Twenty-Three Years of Monitoring Minesite-Drainage Chemistry, During Operation and After Closure: The Equity Silver Minesite, British Columbia, Canada. MDAG Internet Case Study #35, www.mdag.com/case_studies/cs35.html

34. Twenty-Nine Years of Monitoring Minesite-Drainage Chemistry, During Operation and After Closure: The Granisle Minesite, British Columbia, Canada
Morin, K.A., and N.M. Hutt. 2010. Twenty-Nine Years of Monitoring Minesite-Drainage Chemistry, During Operation and After Closure: The Granisle Minesite, British Columbia, Canada. MDAG Internet Case Study #34, www.mdag.com/case_studies/cs34.html

33. Thirty-One Years of Monitoring Minesite-Drainage Chemistry, During Operation and After Closure: The Bell Minesite, British Columbia, Canada
Morin, K.A., and N.M. Hutt. 2010. Thirty-One Years of Monitoring Minesite-Drainage Chemistry, During Operation and After Closure: The Bell Minesite, British Columbia, Canada. MDAG Internet Case Study #33, www.mdag.com/case_studies/cs33.html

32. On the Nonsense of Arguing the Superiority of an Analytical Method for Neutralization Potential
Morin, K.A., and N.M. Hutt. 2009. On the Nonsense of Arguing the Superiority of an Analytical Method for Neutralization Potential. MDAG Internet Case Study #32, www.mdag.com/case_studies/cs32.html
      In response to comments on this case study, we saw value in expanding and elaborating some points in the following supplementary documents:
        Supplement 1: Additional Discussions on the Non-Intrinsic Nature of Neutralization Potential (NP)
             Morin, K.A. 2009. Supplement 1: Additional Discussions on the Non-Intrinsic Nature of Neutralization Potential (NP).
                 www.mdag.com/case_studies/Additional Discussions on the Non-Intrinsic Nature of Neutralization Potential (NP).html
        Supplement 2: Arguments on the General Superiority of Neutralization Potential (NP) Methodology Translated into Varieties of Oranges
             Morin, K.A. 2009. Supplement 2: Arguments on the General Superiority of Neutralization Potential (NP) Methodology Translated into Varieties of Oranges.
                 www.mdag.com/case_studies/Arguments on the General Superiority of Neutralization Potential (NP) Methodology Translated into Varieties of Oranges.html

31. Field Study of Unavailable Neutralization Potential in Acidic Rock
Morin, K.A., and N.M. Hutt. 2008. Field Study of Unavailable Neutralization Potential in Acidic Rock. MDAG Internet Case Study #31, www.mdag.com/case_studies/cs31.html

30. Case Studies of Unavailable Neutralization Potential in Acid-Base-Accounting Datasets
Morin, K.A., and N.M. Hutt. 2008. Case Studies of Unavailable Neutralization Potential in Acid-Base-Accounting Datasets. MDAG Internet Case Study #30, www.mdag.com/case_studies/cs30.html

29. Leaching of Nitrogen Species during Underground Mining
Morin, K.A., and N.M. Hutt. 2008. Leaching of Nitrogen Species during Underground Mining. MDAG Internet Case Study #29, www.mdag.com/case_studies/cs29.html

28. Bimodal Distribution of pH at Minesites with Acid Rock Drainage
Morin, K.A., and N.M. Hutt. 2008. Bimodal Distribution of pH at Minesites with Acid Rock Drainage. MDAG Internet Case Study #28, www.mdag.com/case_studies/cs28.html

27. Highway 97C Road-Cut Environmental Prosecution Near Pennask Creek
Morin, K.A., and N.M. Hutt. 2007. Highway 97C Road-Cut Environmental Prosecution Near Pennask Creek. MDAG Internet Case Study #27, www.mdag.com/case_studies/cs27.html

26. Scaling and Equilibrium Concentrations in Minesite-Drainage Chemistry
Morin, K.A., and N.M. Hutt. 2007. Scaling and Equilibrium Concentrations in Minesite-Drainage Chemistry. MDAG Internet Case Study #26, www.mdag.com/case_studies/cs26.html

25. A Case Study of Important Aluminosilicate Neutralization
Morin, K.A., and N.M. Hutt. 2007. A Case Study of Important Aluminosilicate Neutralization. MDAG Internet Case Study #25, www.mdag.com/case_studies/cs25.html (revised, updated, and expanded 2008 and again in 2011)

24. Errors from Sampling Humidity Cells Every Second Cycle
Morin, K.A., and N.M. Hutt. 2007. Errors from sampling humidity cells every second week. MDAG Internet Case Study #24, www.mdag.com/case_studies/cs24.html

23. Rock Grain Size and Its Implications for Minesite-Drainage Chemistry
Morin, K.A., and N.M. Hutt. 2006. Rock grain size and its implications for minesite-drainage chemistry. MDAG Internet Case Study #23, www.mdag.com/case_studies/cs23.html
For updated information, please see:
    38. Scaling Factors of Humidity-Cell Kinetic Rates for Larger-Scale Predictions

22. Should a Humidity-Cell Sample Be Gently Agitated During Testing?
Morin, K.A., and N.M. Hutt. 2006. Should a Humidity-Cell Sample Be Gently Agitated During Testing? MDAG Internet Case Study #22, www.mdag.com/case_studies/cs22.html

21. Is There a Solid-Phase Sulphide Level Below Which No ARD Is Possible?
Morin, K.A., and N.M. Hutt. 2006. Is There a Solid-Phase Sulphide Level Below Which No ARD Is Possible?. MDAG Internet Case Study #21, www.mdag.com/case_studies/cs21.html

20. Conversion of Minerals into Neutralization Potentials with Units of CaCO3 Equivalent
Morin, K.A., and N.M. Hutt. 2006. Conversion of Minerals into Neutralization Potentials with Units of CaCO3 Equivalent. Internet Case Study 20, www.mdag.com/case_studies/cs20.html

19. Why Include Ore Samples in the Prediction of Minesite-Drainage Chemistry, When Ore is Not Waste?
Morin, K.A., and N.M. Hutt. 2004. Why Include Ore Samples in the Prediction of Minesite-Drainage Chemistry, When Ore is Not Waste?. MDAG Internet Case Study #19, www.mdag.com/case_studies/cs8-04.html

18. The Tulsequah Chief Court Decision
Morin, K.A., and N.M. Hutt. 2001. The Tulsequah Chief Court Decision. MDAG Internet Case Study #18, www.mdag.com/case_studies/cs5-01.html

17. The Gaia Theorem, or the Zen of Earth
Morin, K.A., and N.M. Hutt. 2000. The Gaia Theorem, or the Zen of Earth. MDAG Internet Case Study #17, www.mdag.com/case_studies/cs9-00.html

16. Sulphide Oxidation and Metal Leaching in Permafrost Areas of Greenland and Canada
Morin, K.A., and N.M. Hutt. 2000. Sulphide Oxidation and Metal Leaching in Permafrost Areas of Greenland and Canada. MDAG Internet Case Study #16, www.mdag.com/case_studies/cs5-00.html

15. Prediction of Minesite-Drainage Chemistry Using the "Wheel" Approach
Morin, K.A., and N.M. Hutt. 1999. Prediction of Minesite-Drainage Chemistry Using the "Wheel" Approach. MDAG Internet Case Study #15, www.mdag.com/case_studies/cs11-99.html

14. Mine Closure and Long-Term Control of Acidic Drainage at Island Copper Mine, British Columbia, Canada
Morin, K.A., and N.M. Hutt. 1999. Mine Closure and Long-Term Control of Acidic Drainage at Island Copper Mine, British Columbia, Canada. MDAG Internet Case Study #14, www.mdag.com/case_studies/cs9-99.html

13. The Cheviot Court Case: Implications and Precedents for Environmental Effects of Mining in Canada
Morin, K.A., and N.M. Hutt. 1999. The Cheviot Court Case: Implications and Precedents for Environmental Effects of Mining in Canada. MDAG Internet Case Study #13, www.mdag.com/case_studies/cs7-99.html

12. Dam Failure and Tailings Release at Aznalcóllar (Los Frailes), Spain - One Year Later
Morin, K.A., and N.M. Hutt. 1999. Dam Failure and Tailings Release at Aznalcóllar (Los Frailes), Spain - One Year Later. MDAG Internet Case Study #12, www.mdag.com/case_studies/cs5-99.html

11. Onset of Acidic Drainage from a Mine-Rock Pile
Morin, K.A., and N.M. Hutt. 1999. Onset of acidic drainage from a mine-rock pile. MDAG Internet Case Study 11, www.mdag.com/case_studies/cs3-99.html

10. Comparison of NAG Results to ABA Results for the Prediction of Acidic Drainage
Morin, K.A., and N.M. Hutt. 1999. Comparison of NAG Results to ABA Results for the Prediction of Acidic Drainage. MDAG Internet Case Study #10, www.mdag.com/case_studies/cs1-99.html

9. Contribution of Bacteria to Sulphide-Mineral Reaction Rates in Natural Environments
Morin, K.A., and N.M. Hutt. 1998. Contribution of Bacteria to Sulphide-Mineral Reaction Rates in Natural Environments. MDAG Internet Case Study #9, www.mdag.com/case_studies/cs11-98.html
For updated information, please see:
    36. Microbial Effects on Minesite-Drainage Chemistry

8. Remnant Environmental Effects from Gold Mining in Aruba After a Century
Morin, K.A., and N.M. Hutt. 1998. Remnant Environmental Effects from Gold Mining in Aruba After a Century. MDAG Internet Case Study #8, www.mdag.com/case_studies/cs9-98.html

7. Motherhood, Apple Pie, and Contaminant Source Reduction
Morin, K.A., and N.M. Hutt. 1998. Motherhood, apple pie, and contaminant source reduction. MDAG Internet Case Study #7, www.mdag.com/case_studies/cs7-98.html

6. Upside-Down Oxidation Profile in Sulphide-Bearing Tailings
Morin, K.A., and N.M. Hutt. 1998. Upside-Down Oxidation Profile in Sulphide-Bearing Tailings. MDAG Internet Case Study #6, www.mdag.com/case_studies/cs5-98.html

5. Minesites Are Made of Distinct Components
Morin, K.A., and N.M. Hutt. 1998. Minesites Are Made of Distinct Components. MDAG Internet Case Study #5, www.mdag.com/case_studies/cs3-98.html

4. Control of Minesite-Drainage Chemistry: Why and How Much Does It Cost?
Morin, K.A., and N.M. Hutt. 1998. Control of Minesite-Drainage Chemistry: Why and How Much Does It Cost?. MDAG Internet Case Study #4, www.mdag.com/case_studies/cs2-98.html

3. Minesite-Drainage Chemistry is Like Rain
Morin, K.A., and N.M. Hutt. 1998. Minesite drainage chemistry is like rain. MDAG Internet Case Study #3, www.mdag.com/case_studies/cs1-98.html
For updated information, please see:
    40. Fractal Characteristics, Short-Term Maximum Concentrations, and Appropriate Time Discretization of Minesite-Drainage Chemistry
    42. Dynamic Geochemical Tension (DGT) in Multi-Mineral-Water Systems - Origin, Characterization, and Role in Fractal 1-over-f Slopes in Minesite-Drainage Chemistry
    Book: Spectral Analysis of Drainage from Highly Reactive Geological Materials

2. Rum Jungle Minesite, Northern Territory, Australia
Morin, K.A., and N.M. Hutt. 1997. Rum Jungle Minesite, Northern Territory, Australia. MDAG Internet Case Study #2, www.mdag.com/case_studies/cs12-97.html

1. Neutralization Potential: What Is It and Why Is It Important for Drainage Chemistry?
Morin, K.A., and N.M. Hutt. 1997. Neutralization Potential: What Is It and Why Is It Important for Drainage Chemistry? MDAG Internet Case Study #1, www.mdag.com/case_studies/cs11-97.html





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