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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 after the link)
83. Morin, K.A. 2025. PAG, PAF, NAG (Non-PAG), and NAF - the Acronyms
Morin, K.A. 2025. PAG, PAF, NAG (Non-PAG), and NAF - the Acronyms. MDAG Internet Case Study #83, www.mdag.com/case_studies.html
82. Morin, K.A. 2025. The Meaning and Complexity of pH "Plateaus", like pH 3.0 to 3.7 for Fe-OH Minerals, during Neutralization along Flowpaths
Morin, K.A. 2025. The Meaning and Complexity of pH "Plateaus", like pH 3.0 to 3.7 for Fe-OH Minerals, during Neutralization
along Flowpaths. MDAG Internet Case Study #82, www.mdag.com/case_studies.html
81.
The Complex Nexus of Sulphide Oxidation, Silicate-Mineral Dissolution, and Passive CO2 Capture
Morin, K.A. 2024. The Complex Nexus of Sulphide Oxidation, Silicate-Mineral Dissolution, and Passive CO2 Capture.
MDAG Internet Case Study #81, www.mdag.com/case_studies.html
80. Silicate Neutralization Potential Focussing on Plagioclase, and the MDAG Silicate NP Model
Morin, K.A. 2024. Silicate Neutralization Potential Focussing on Plagioclase, and the MDAG Silicate NP Model.
MDAG Internet Case Study #80, www.mdag.com/case_studies.html
Also available for download: the spreadsheet-based
MDAG Silicate NP Model
79. Comparisons of ML-ARD Predictions for the New Afton Copper-Gold Minesite Based on Initial Static Testing, Initial Kinetic Testing After 132 Weeks, and Continued Kinetic Testing for 740 Weeks
Morin, K.A. 2023. Comparisons of ML-ARD Predictions for the New Afton Copper-Gold Minesite Based on Initial Static Testing, Initial Kinetic Testing After 132 Weeks, and Continued Kinetic Testing for 740 Weeks.
MDAG Internet Case Study #79, www.mdag.com/case_studies.html
78. Comparisons of Empirical Drainage-Chemistry Models (EDCMs) for Existing and Proposed Minesites
Morin, K.A., and A. Lamontagne 2023. Comparisons of Empirical Drainage-Chemistry Models (EDCMs) for Existing and Proposed Minesites.
MDAG Internet Case Study #78, www.mdag.com/case_studies.html
77. Some Thoughts on the Nugget Effect in Multi-Mineral Geological Samples
Morin, K.A. 2023. Some Thoughts on the Nugget Effect in Multi-Mineral Geological Samples.
MDAG Internet Case Study #77, www.mdag.com/case_studies.html
76. Non-Detectable Natural Elements in Aqueous and Solid-Phase Geological Samples Are Often Well Below One-Half the Detection Limit
Morin, K.A. 2023. Non-Detectable Natural Elements in Aqueous and Solid-Phase Geological Samples Are Often Well Below One-Half the Detection Limit.
MDAG Internet Case Study #76, www.mdag.com/case_studies.html
75. Pyrrhotite Victims Aid Coalition.
Morin, K.A. 2023. Pyrrhotite Victims Aid Coalition.
MDAG Internet Case Study #75, www.mdag.com/case_studies.html
74. Platinum Group Metals as Water-Borne Contaminants at Mining Operations.
Morin, K.A. 2022. Platinum Group Metals as Water-Borne Contaminants at Mining Operations.
MDAG Internet Case Study #74, www.mdag.com/case_studies.html
73. Increasing Errors in ARD Prediction by Assuming Non-Extractable "Insoluble Sulphur" is a Real Sulphur Species and Excludes Acid-Generating Sulphur.
Morin, K.A. 2021. Increasing Errors in ARD Prediction by Assuming Non-Extractable "Insoluble Sulphur" is a Real Sulphur Species and Excludes Acid-Generating Sulphur.
MDAG Internet Case Study #73, www.mdag.com/case_studies.html
72. Up Close and Personal with an ARD Celebrity: Acidithiobacillus ferrooxidans
Morin, K.A. 2021. Up Close and Personal with an ARD Celebrity: Acidithiobacillus ferrooxidans.
MDAG Internet Case Study #72, www.mdag.com/case_studies.html
71. The Complex Three-Phase Effects of Humidity on Small-Scale Water Films and Reactive Mineral Surfaces
Morin, K.A. 2021. The Complex Three-Phase Effects of Humidity on Small-Scale Water Films and Reactive Mineral Surfaces.
MDAG Internet Case Study #71, www.mdag.com/case_studies.html
70. A Graphical Depiction of Integrated Energy Balance, Interactions, and Contributing Mechanisms-Processes for Open Environmental Systems like Minesite Components, Version 1
Morin, K.A. 2021. A Graphical Depiction of Integrated Energy Balance, Interactions, and Contributing Mechanisms-Processes for Open Environmental Systems like Minesite Components, Version 1.
MDAG Internet Case Study #70, www.mdag.com/case_studies.html
69. Siderite Correction Can Substantially and Erroneously Overestimate Effective Neutralization Potential and Underestimate ARD Risk
Morin, K.A. 2021. Siderite Correction Can Substantially and Erroneously Overestimate Effective Neutralization Potential and Underestimate ARD Risk.
MDAG Internet Case Study #69, www.mdag.com/case_studies.html
(Many thanks to Dr. Bill Price for the comments and discussion)
68. The Rapid Evolution of Machine Learning Applied to Minesite-Drainage Chemistries and Flows
Morin, K.A. 2021. The Rapid Evolution of Machine Learning Applied to Minesite-Drainage Chemistries and Flows.
MDAG Internet Case Study #68, www.mdag.com/case_studies.html
67. Diffusion-Dominated Flux of Poregases and Aqueous Ions in Minesite Components - Commonly Modelled but Rarely Applicable Because Realistic Fluxes are Much Faster
Morin, K.A. 2021. Diffusion-Dominated Flux of Poregases and Aqueous Ions in Minesite Components -
Commonly Modelled but Rarely Applicable Because Realistic Fluxes are Much Faster. MDAG Internet Case Study #67, www.mdag.com/case_studies.html
66. Pondering the Role of Quartz in Rock Reactivity, ML-ARD, and Minesite-Drainage Chemistry
Morin, K.A. 2021. MDAG-com Case Study 66 - Pondering the Role of Quartz in Rock Reactivity, ML-ARD, and Minesite-Drainage Chemistry.
MDAG Internet Case Study #66, www.mdag.com/case_studies.html
65. Thermodynamics - Not Designed for Minesite Components and Their Drainages
Morin, K.A. 2021. MDAG-com Case Study 65 - Thermodynamics - Not Designed for Minesite Components and Their Drainages.
MDAG Internet Case Study #65, www.mdag.com/case_studies.html
64. Minesite Components as Large Physical Analogues of First-Order Low-Pass Signal Filters, Explaining 1-over-f and Other Fractal Spectral Slopes for Flows and Chemistries
Morin, K.A. 2020. MDAG-com Case Study 64 - Minesite components as large physical analogues of first-order low-pass signal filters, explaining 1-over-f and other fractal spectral slopes for flows and chemistries.
MDAG Internet Case Study #64, www.mdag.com/case_studies.html
63. Planetary and
Large-Scale Processes Affecting Minesite-Drainage Flows and Chemistries
Morin, K.A. 2020. MDAG-com Case Study 63 - Planetary and large-scale processes affecting minesite-drainage flows and chemistries.
MDAG Internet Case Study #63, www.mdag.com/case_studies.html
62. Problems and Errors with Interpreting Humidity Cells Using Weight-Based Results (e.g., Oxidation-Neutralization Curve) Rather Than Mole-Based Results
Morin, K.A. 2019. MDAG-com Case Study 62 - Problems and errors with interpreting
humidity cells using weight-based
results (e.g., Oxidation-Neutralization Curve) rather than mole-based results.
MDAG Internet Case Study #62, www.mdag.com/case_studies/cs62.html
61. Complexities in Heat Generation and Self-Heating of Mined Materials - a Review
Morin, K.A. 2019. Complexities in heat generation and self-heating of mined materials - a review.
MDAG Internet Case Study #61, www.mdag.com/case_studies/cs61.html
60. Geochemical Transitions from Near-Neutral to Acidic Conditions in Minesite Drainage - Chaotic or Organized?
Morin, K.A. 2019. Geochemical Transitions from Near-Neutral to Acidic Conditions in Minesite Drainage - Chaotic or Organized?
MDAG Internet Case Study #60, www.mdag.com/case_studies/cs60.html
59. Wavelet Transforms of Flow in Full-Scale Minesite Drainage: Effect of Installing a Fine-Grained Cover over Waste Rock
Morin, K.A. 2019. Wavelet Transforms of Flow in Full-Scale Minesite Drainage: Effect of Installing a Fine-Grained Cover over Waste Rock.
MDAG Internet Case Study #59, www.mdag.com/case_studies/cs59.html
58. The Third Way: Worthy of Research and Evaluation
Morin, K.A. 2018. The Third Way: Worthy of Research and Evaluation. Presented at the
International Canada-Germany-UK ARD-ML Workshop, National Research Council Canada, Vancouver, Canada,
December 2018. MDAG Internet Case Study #58, www.mdag.com/case_studies/cs58.html
57. Water Quality of Full-Scale Mining and Non-Mining Drainages is a
Fractal Wave
Morin, K.A. 2018. Water Quality of Full-Scale Mining and Non-Mining Drainages is a
Fractal Wave.
MDAG Internet Case Study #57, www.mdag.com/case_studies/cs57.html
56. Examples of Wavelet Transforms of 1-over-f
and Other Temporal Spectral Slopes in Minesite Drainage
Morin, K.A. 2018. Examples of Wavelet Transforms of 1-over-f and Other Temporal Spectral Slopes in Minesite Drainage.
MDAG Internet Case Study #56, www.mdag.com/case_studies/cs56.html
55. Two Case Studies Revisited of Full-Scale Co-placement of Net-Acid-Generating and Net-Acid-Neutralizing Geologic Materials
Morin, K.A. 2018. Two Case Studies Revisited of Full-Scale Co-placement of Net-Acid-Generating and Net-Acid-Neutralizing Geologic Materials.
MDAG Internet Case Study #55, www.mdag.com/case_studies/cs55.html
54. Fun with Numbers: Benford's and Zipf's Laws at Work in Minesite Drainage
Morin, K.A. 2018. Fun with Numbers: Benford's and Zipf's Laws at Work in Minesite Drainage. MDAG Internet Case Study #54, www.mdag.com/case_studies/cs54.html
53. Propagation-of-Uncertainty in Net Potential Ratios for Predictions of Acid-Rock Drainage
Morin, K.A. 2018. Propagation-of-Uncertainty in Net Potential Ratios for Predictions of Acid-Rock Drainage. MDAG Internet Case Study #53, www.mdag.com/case_studies/cs53.html
52. A Case Study Applying First-Passage Percolation Theory and Reservoir Modelling to Full-Scale Waste-Rock Drainage after a One-Day Dynamic Storm
Morin, K.A. 2017. A Case Study Applying First-Passage Percolation Theory and Reservoir Modelling to Full-Scale Waste-Rock Drainage after a One-Day Dynamic Storm. MDAG Internet Case Study #52, www.mdag.com/case_studies/cs52.html
51. A Case Study of Complex Drainage through an Acidic Waste-Rock Pile on a Marine Coast
Morin, K.A. 2017. A Case Study of Complex Drainage through an Acidic Waste-Rock Pile on a Marine Coast. MDAG Internet Case Study #51, www.mdag.com/case_studies/cs51.html
50. Explanations of Poregas CO2 Variability Relative to O2 in the Equity Silver Waste-Rock Pile
Morin, K.A. 2017. Explanations of Poregas CO2 Variability Relative to O2 in the Equity Silver Waste-Rock Pile. MDAG Internet Case Study #50, www.mdag.com/case_studies/cs50.html
49. Time-Dependent Toxicity Related to Short-Term Peaks of Contaminant Release
Morin, K.A. 2017. Time-Dependent Toxicity Related to Short-Term Peaks of Contaminant Release. MDAG Internet Case Study #49, www.mdag.com/case_studies/cs49.html
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
For additonal information,
72. Up Close and Personal with an ARD Celebrity: Acidithiobacillus ferrooxidans
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 and
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:
72. Up Close and Personal with an ARD Celebrity: Acidithiobacillus ferrooxidans
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
See also Savvides, M.A. 2022.
Communicating the Geologic History of Aruba: Contextualizing Gold and Incorporating Human Activity.
IN: University of Aruba and University College Utrecht, UAUCU 2022 Symposium, April 8, poster presentation.
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
Book:
Wavelet Transforms of Drainage from Highly Reactive Geologic Materials
Paper:
A plausible explanation for common fractal temporal-spectral slopes of drainage flows and chemistries at full-scale mining operations
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
For updated information, please see:
32. On the Nonsense of Arguing the Superiority of an Analytical Method for Neutralization Potential
32 Sup #2. Arguments on the General Superiority of Neutralization Potential (NP) Methodology Translated into Varieties of Oranges
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