MINING IN THE HIMALAYAS An Integrated Strategy MINING IN THE HIMALAYAS An Integrated Strategy A. K. Soni CRC Press Taylor & Francis Group 6000 Broken Sound Parkway NW, Suite 300 Boca Raton, FL 33487-2742 © 2017 by Taylor & Francis Group, LLC CRC Press is an imprint of Taylor & Francis Group, an Informa business No claim to original U.S. Government works Printed on acid-free paper Version Date: 20160719 International Standard Book Number-13: 978-1-4987-6234-2 (Hardback) This book contains information obtained from authentic and highly regarded sources. Reasonable efforts have been made to publish reliable data and information, but the author and publisher cannot assume responsibility for the validity of all materials or the consequences of their use. The authors and publishers have attempted to trace the copyright holders of all material reproduced in this publication and apologize to copyright holders if permission to publish in this form has not been obtained. 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Trademark Notice: Product or corporate names may be trademarks or registered trademarks, and are used only for identification and explanation without intent to infringe. Visit the Taylor & Francis Web site at http://www.taylorandfrancis.com and the CRC Press Web site at http://www.crcpress.com I dedicate this book to the victims of the April 25, 2015, earthquake that gripped the Nepali Himalayas. Let us dive into a good book to conserve nature! Contents Preface ......................................................................................................................xi Acknowledgements ..............................................................................................xv Author ..................................................................................................................xvii Abbreviations ......................................................................................................xix 1. The Indian Himalayas: Mining and Mineral Potentiality ....................1 1.1 Introduction ...........................................................................................2 1.2 The Himalayas .......................................................................................3 1.2.1 Typical Characteristics of the Himalayas and Their Fragility ...........................................................................6 1.3 Hill Areas Comparable to the Himalaya ...........................................9 1.4 Mineral Potential of the Indian Himalayas: An Account .............10 1.5 Assessment of Commercial Exploitation .........................................17 1.6 Mining in the Himalayas ...................................................................20 1.7 Current Status of the Mining Practices in the Indian Himalayas ............................................................................................24 1.8 Legal Repercussions of Mining in the Himalayas .........................33 Appendix 1.A: Mining in Doon Valley .......................................................36 Appendix 1.B: Doon Valley Notification Dated 1 February 1989 ...........37 2. Existing Practices: Critiques and Lacunae ..............................................45 2.1 Case Studies .........................................................................................45 2.1.1 Kashlog Mine: Mining and Environmental Practices ......46 2.1.2 Mining of Soapstone in the Himalayan Hills ....................53 2.1.2.1 Salient Details of Mine Lease Area......................54 2.1.2.2 Excavation Method ................................................54 2.1.2.3 Environmental Measures ......................................55 2.1.2.4 Society ......................................................................56 2.1.3 Magnesite Excavation in the Kumaon Himalayas ............57 2.1.3.1 Jhiroli Magnesite Mine ..........................................57 2.2 Critique .................................................................................................62 2.3 Lacunae of Mining and Environmental Practices..........................66 2.3.1 Land Management Practices and Loss of Vegetation .......66 2.3.2 Blasting, Vibrations, Noise and Air Overpressure ...........67 2.3.3 Air Quality and Air Pollution ..............................................68 2.3.4 Disposal of Waste ...................................................................69 2.3.5 Hydrological Problems .........................................................69 2.3.6 Open Mine Layout and Its Design ......................................69 2.3.7 Small-Scale Mining ................................................................70 2.3.8 Problem of Dimension of Mining Lease and Its Period ...70 vii viii Contents 2.3.9 Environmental Planning, Practices and Enforcement .....70 2.3.10 Destabilized Hill Slopes/Rock Slopes ................................72 2.4 What Are the Environmental Issues of Concern? ..........................75 2.5 Statutory Provisions and Environmental Standards .....................76 3. Eco-Friendly Perspective of Himalayan Mining ...................................79 4. Solutions: New, Practical and Eco-Friendly Ideas for the Himalayas .....89 4.1 Predictive Assessment of Geological Conditions ...........................89 4.2 Solutions for Responsible Mining in the Himalayas .....................91 5. Environmental Attributes: Two Niche Areas .......................................113 5.1 Part I: Environment Degradation Index ........................................113 5.1.1 Environmental Indices ........................................................114 5.1.2 Development of the EDI ......................................................114 5.1.2.1 Sensitivity Function .............................................116 5.1.2.2 Index Variable and Index Number ....................118 5.1.2.3 Procedure for Calculation of EDI .......................118 5.1.2.4 EDI Scale ................................................................122 5.1.3 Site of Study ..........................................................................123 5.1.4 EDI versus Cost of EPC .......................................................128 5.1.5 Inference Drawn ..................................................................129 5.2 Part II: Environmentally Friendly Transportation Practices for Hilly Mines ..................................................................................130 5.2.1 SFRC Chute (Alternate A) ...................................................130 5.2.2 Vertical Silo with Conveyor Arrangements (Alternate B) ..........................................................................130 5.2.3 Shaft–Adit Combination or the SAC Method (Alternate C) .........................................................................132 5.2.4 Ore Slides in Rock (Alternate D) ........................................133 5.2.5 Overland Belt Conveyor (OLBC, Alternate E) ..................135 5.2.6 Gravity-Operated Skips on Guided Rails at Surface (GOSS, Alternate F) ..............................................................136 5.2.7 Other Advanced Alternatives ............................................136 Appendix 5.A: Air Quality and Water Quality: Prescribed Indian Standards.......................................................................................................137 6. Integrated Strategy and Best Practice Mining ......................................143 6.1 Integrated Approach/Strategy ........................................................143 6.1.1 Developmental Planning ....................................................145 6.1.1.1 Ecology ...................................................................147 6.1.1.2 Society ....................................................................148 6.1.2 Benefits of Advanced Development Planning .................150 6.2 Large-Scale versus Small-Scale Mining (SSM) in the Himalayas ...............................................................................152 Contents ix 6.3 Best Mining Practice .........................................................................153 6.4 People’s Participation in Environmental Management ...............176 6.5 Role of Organization .........................................................................177 7. Environment-Oriented Development ....................................................179 7.1 Development Imperatives ................................................................179 7.2 Affected Environment ......................................................................180 7.2.1 Environmental Performance Assessment ........................181 7.2.2 Air Quality ............................................................................182 7.2.3 Water Quality .......................................................................182 7.2.4 Land Degradation Assessment ..........................................183 7.2.4.1 Restoration of Derelict Land ...............................184 7.2.5 Noise, Vibration, Air Overpressure and Fly Rock ..........185 7.2.6 Biological Environment Assessment .................................186 7.2.6.1 Ecosystem Protection ...........................................187 7.2.6.2 Climate Change ....................................................187 7.3 Roadmap ............................................................................................188 7.3.1 Lessons Learned ..................................................................190 Appendix 7.A: Land Management Strategy ............................................191 8. Parvatadhiraj: The Himalaya ...................................................................195 8.1 Responsible Mining ..........................................................................195 8.2 Epilogue ..............................................................................................196 Himalayan Mining: From Real to Reel (Memories Down the Lane) ......199 References ...........................................................................................................207 Suggested Reading ............................................................................................215 Index .....................................................................................................................219