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Foreword; Preface; Acknowledgements; Contents; Abbreviations; Part I Open-Cast Mining: Some Problems and Solutions; Post-mining Nutrient Depletion of Bauxite Overburdens in Jamaica: Storage Methods or Subsoil Dilution?; Abstract ; 1 Introduction; 1.1 Nutrient Status and History; 1.2 Physical Effects; 1.3 Traditional Method in Jamaica Bauxite Mines; 2 Materials and Methods; 2.1 Study Site; 2.2 Top-Soils: Description and Analysis; 3 Results; 4 Conclusions; 5 Geobiotechnological Applications; References; Dust Reduction in Bauxite Red Mud Waste using Carbonation, Gypsum & Flocculation; Abstract
1 Introduction1.1 Red Dust: Origin and Damages; 1.2 Drawbacks of Gypsum Treatment; 1.3 Dust Definitions; 1.4 Chemistry of Red Mud Dust; 1.5 Red Mud Dust Impacts; 1.6 Effects on Health; 1.7 St. Croix-Virgin Islands Red Mud Dust Hazards; 1.8 Particle Cementation; 1.9 Aim; 2 Materials and Methods; 2.1 Measuring Potential Wind-Blown Dust; 2.2 Flocculation Measurements by Wet-Sieving; 3 Results; 3.1 Clay Dislocation: 1st Submergence; 3.1.1 In De-ionized Water; 3.1.2 Non-deionized Water; 3.1.3 Clay Dislocation: 2nd Submergence; 3.1.4 Aggregate Stability; 3.1.5 Stability in Stagnant Water
3.1.6 Stability in Moving Water4 Discussion; 4.1 Fine-Particle Dislocation; 4.2 Natural Flushing; 5 Conclusions; 6 Geotechnical Applications; References; Fragility and Bearing Capacity of Gray Shales in North-Eastern Jamaica After Landslips: Origins, and Implications for Open-Cut Mines; Abstract ; 1 Introduction; 1.1 Antecedent Rainfall; 1.2 Weathering and Mass Movements in Humid Tropics; 1.3 Weathering of Shale (Review); 1.4 Shallow Landslips, Trade Winds and Pore Pressure; 1.5 Implications of Slope Cuts; 1.6 Slip Surfaces; 1.7 Study Area: North-Eastern Jamaica
1.8 Mobility and Morphology of the Landslip1.9 Aim; 2 Method; 2.1 Rock Tests; 2.2 Drop Impact Test; 2.3 Unit Weight Determination; 2.4 Rate of Slaking; 2.5 Expansion and Contraction; 2.6 Particle Settling Velocity; 3 Results and Discussion; 3.1 Drop Impact Test (Counted Number of Impacts: CNI); 3.2 Rate of Slaking; 3.3 Unit Weight Determination (UWD); 3.4 Particle Settling Velocity; 4 Conclusions; 5 Geotechnical Applications; 5.1 Tegucigalpa, Honduras: Role of Antecedent Rainfall and Human Interference
5.2 The Potentially Rapid Weathering and Slaking of Shales Require Safety Precautions Where the Cutting of Slopes Increases the Frequency of LandslipsReferences; Part II Mine Waste: Utilization and Recycling; Hydrocarbon-Contamination of Soils Around a Trinidadian Pitch Lake: Red Muds as a Resistance to Potential Soil Toxicants; Abstract ; 1 Introduction; 1.1 Inorganic Approach; 1.2 Organic Approach; 1.3 Aim and Hypothesis; 2 Materials and Method; 2.1 Site Details; 2.2 Soil Sampling; 2.3 Water Repellence Determination; 2.4 Dispersion and Hydraulic Conductivity; 2.5 Bauxite Waste Treatments
1 Introduction1.1 Red Dust: Origin and Damages; 1.2 Drawbacks of Gypsum Treatment; 1.3 Dust Definitions; 1.4 Chemistry of Red Mud Dust; 1.5 Red Mud Dust Impacts; 1.6 Effects on Health; 1.7 St. Croix-Virgin Islands Red Mud Dust Hazards; 1.8 Particle Cementation; 1.9 Aim; 2 Materials and Methods; 2.1 Measuring Potential Wind-Blown Dust; 2.2 Flocculation Measurements by Wet-Sieving; 3 Results; 3.1 Clay Dislocation: 1st Submergence; 3.1.1 In De-ionized Water; 3.1.2 Non-deionized Water; 3.1.3 Clay Dislocation: 2nd Submergence; 3.1.4 Aggregate Stability; 3.1.5 Stability in Stagnant Water
3.1.6 Stability in Moving Water4 Discussion; 4.1 Fine-Particle Dislocation; 4.2 Natural Flushing; 5 Conclusions; 6 Geotechnical Applications; References; Fragility and Bearing Capacity of Gray Shales in North-Eastern Jamaica After Landslips: Origins, and Implications for Open-Cut Mines; Abstract ; 1 Introduction; 1.1 Antecedent Rainfall; 1.2 Weathering and Mass Movements in Humid Tropics; 1.3 Weathering of Shale (Review); 1.4 Shallow Landslips, Trade Winds and Pore Pressure; 1.5 Implications of Slope Cuts; 1.6 Slip Surfaces; 1.7 Study Area: North-Eastern Jamaica
1.8 Mobility and Morphology of the Landslip1.9 Aim; 2 Method; 2.1 Rock Tests; 2.2 Drop Impact Test; 2.3 Unit Weight Determination; 2.4 Rate of Slaking; 2.5 Expansion and Contraction; 2.6 Particle Settling Velocity; 3 Results and Discussion; 3.1 Drop Impact Test (Counted Number of Impacts: CNI); 3.2 Rate of Slaking; 3.3 Unit Weight Determination (UWD); 3.4 Particle Settling Velocity; 4 Conclusions; 5 Geotechnical Applications; 5.1 Tegucigalpa, Honduras: Role of Antecedent Rainfall and Human Interference
5.2 The Potentially Rapid Weathering and Slaking of Shales Require Safety Precautions Where the Cutting of Slopes Increases the Frequency of LandslipsReferences; Part II Mine Waste: Utilization and Recycling; Hydrocarbon-Contamination of Soils Around a Trinidadian Pitch Lake: Red Muds as a Resistance to Potential Soil Toxicants; Abstract ; 1 Introduction; 1.1 Inorganic Approach; 1.2 Organic Approach; 1.3 Aim and Hypothesis; 2 Materials and Method; 2.1 Site Details; 2.2 Soil Sampling; 2.3 Water Repellence Determination; 2.4 Dispersion and Hydraulic Conductivity; 2.5 Bauxite Waste Treatments