Coal Reserves of the Matewan
Quadrangle, Kentucky -A Coal Recoverability Study

By Timothy J. Rohrbacher, Dale D. Teeters, Gerald L. Sullivan, and Lee M. Osmonson

U.S. Bureau of Mines Circular 9355

Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government.

CONTENTS

Abstract
Introduction
Objectives
Acknowledgments
Program design
Coal quality
Results
Conclusions
References
Appendix A.-Glossary
Appendix B.-Assumptions
Appendix C.-Cost model example

ILLUSTRATIONS

1. Study area location
2. Matewan quadrangle coal stratigraphy
3. Coal resource graphical summary
4. USGS/USBM coal resource programs - Matewan quadrangle results chart
5. Economic life projections for available resource
B-IA. Linear regression analysis: continuous miner-normal productivity
B-lB. Linear regression analysis: continuous miner-low productivity
B-lC. Linear regression analysis: continuous miner-high productivity
B-lD. Linear regression analysis: longwall productivity
B-2. Typical feasibility-type mine plan
B-3. Matewan quadrangle haulage zones

TABLES

1. Coal resource definition differences-KGS-USGS coal availability program and USBM coal recoverability program
2. Comparison of KGS-USGS and USBM coal resource estimates for the Matewan quadrangle
3. Coal quality
4. Coal seam resources, restrictions, and process losses
5. Recoverable coal summary, by compliance category
B-1. Factors influencing mine productivity
B-2. Surface production rates by mining method
B-3. Deep mine production rates by mining method
B-4. Haulage distance one way and assigned cost by zone
B-5. Contour strip-recoverable resources and cost ranges
B-6. Continuous miner-recoverable resources and cost ranges
B-7. Longwall-recoverable resources and cost ranges
B-8. Auger-recoverable resources and cost ranges
B-9. Recoverable resources-one seam summary
C-1. Standard costing model (example)

UNIT OF MEASURE ABBREVIATIONS USED IN THIS REPORT

DISCLAIMER OF LIABILITY:
Reference to specific products or computer programs does not imply endorsement by the U.S. Bureau of Mines.

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