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Table of contents
Part I – General context and objectives of the thesis
Chapter 1. Mining, territory and risks
1. The mining system
2. Mining performances at the territory level: a call for sustainability in the mining sector
3. Risks associated with mining projects
4. Existing methods for risk assessment in the mining sector and their gaps
Conclusion
Chapter 2. Objectives of the thesis and development of a methodology via the application on a case-study
1. Our approach and objectives of the study
2. Theoretical development of the methodological framework
3. Criteria used for the selection of a case-study
Conclusion
Part II – Application on gold mining in French Guiana: definition of the systems and development of the scenarios
Chapter 3. The territory system: French Guiana and Mana river basin
1. General presentation of French Guiana and its specificities
2. Selection of the spatial scale: Mana river basin
3. Actors considered and temporal dimension of the application
Conclusion
Chapter 4. The mine system: overview and classification of gold mining in FG
1. Overview of gold mining across the world
2. Gold mining in the Guiana Shield
3. Gold mining in French Guiana
4. Gold mining in the Mana RB
5. Classification of gold mines and development of standardized project-types
Conclusion
Chapter 5. Development of the Territorial Mining scenarios (TMS)
1. Territorial objectives and Territorial Mining Scenarios (TMS)
2. Fictional localization of the gold mining projects
Conclusion
Chapter 6. Risk identification and risk scenarios development
1. Risk identification for each gold mine-type in French Guiana
2. Accidental Risk scenario (RSa) development
3. Ordinary Risk scenario (RSo) development
Conclusion
Part III – Application on gold mining in French Guiana: assessment of the risk scenarios and TMS scoring
Chapter 7. Assessment of the accidental Risk Scenario (RSa)
1. Assessment of dam failure consequences through vulnerability indicators
2. Calculation of the flooded area
3. Mapping socio-ecological vulnerability to flooding
4. Estimation of the consequence scores of the RSa
5. Probability assessment and risk estimation
6. Calculation of the RSa risk score for each TMS
7. Alternative estimation of the RSa score for each TMS
Conclusion
Chapter 8. Assessment of the ordinary risk scenario (RSo)
1. Evaluation of the positive and negative consequences for each TMS
2. Aggregation of the risks and final score for each territorial mining scenario (TMS)
2.1. Aggregation of the positive and negative consequences
2.2. Aggregation of positive and negative consequences and final score
Conclusion
Chapter 9. Global risk score of the territorial mining scenarios and multi-actor weighting
1. Assessment of the global risk score of each TMS
2. Multi-actor assessment of the relative importance of each consequence
Conclusion
Part IV – Discussion of the approach proposed in this study and its application
Chapter 10. Discussion on the application of our approach to the French Guiana gold mining sector
1. The influence of system definition on the final scores
2. The influence of the chosen territorial mining scenarios on the results
3. Rapidity and reliability of the RSa and RSo scores assessment
4. Final TMS scores and weighting coefficients
5. Comparison of the territorial scenarios: which scenario is the “best”?
Conclusion and perspectives for the application of our approach in FG gold mining sector
Chapter 11. Advantages, limits, perspectives of our approach and concluding remarks
1. Added value of the approach proposed in this study
2. Geospatial issues of the approach and its application
3. Future perspectives of our approach
