Prepared in cooperation with the Mineral Management Division, Hungarian Geological Survey and the United States–Hungarian Science and Technology Joint Fund Quality of Selected Hungarian Coals Scientific Investigations Report 2006–5289 U.S. Department of the Interior U.S. Geological Survey Quality of Selected Hungarian Coals By E.R. Landis, T.J. Rohrbacher, H.J. Gluskoter, Bela Fodor, and Gizella Gombar Prepared in cooperation with the Mineral Management Division, Hungarian Geological Survey, and the United States–Hungarian Science and Technology Joint Fund Scientific Investigations Report 2006–5289 U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior DIRK KEMPTHORNE, Secretary U.S. Geological Survey Mark D. Myers, Director U.S. Geological Survey, Reston, Virginia: 2007 For product and ordering information: World Wide Web: http://www.usgs.gov/pubprod Telephone: 1-888-ASK-USGS For more information on the USGS--the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment: World Wide Web: http://www.usgs.gov Telephone: 1-888-ASK-USGS Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this report is in the public domain, permission must be secured from the individual copyright owners to reproduce any copyrighted materials contained within this report. Suggested citation: Landis, E.R., Rohrbacher, T.J., Gluskoter, H.J., Fodor, B., and Gombar, G., 2007, Quality of selected Hungarian coals: U.S. Geological Survey Scientific Investigations Report 2006–5289, 107 p. iii Contents Abstract ...........................................................................................................................................................1 Introduction.....................................................................................................................................................1 Acknowledgments ................................................................................................................................1 Coal Resources of Hungary..........................................................................................................................1 Geologic Setting ....................................................................................................................................2 Resources and Recovery ....................................................................................................................2 Quality ....................................................................................................................................................2 Utilization ................................................................................................................................................2 Coal Analyses .................................................................................................................................................2 Classification of Coals ...................................................................................................................................3 Classification by Rank ..........................................................................................................................3 Classification by Grade ........................................................................................................................4 Analytical Results ..........................................................................................................................................4 Zobak Coal Mine ...................................................................................................................................4 Description ....................................................................................................................................4 Geology .................................................................................................................................4 Resources and Recovery ..................................................................................................5 Utilization ..............................................................................................................................5 Coal Analyses ...............................................................................................................................5 Rank of Samples .................................................................................................................5 Grade of Samples ...............................................................................................................5 Other Properties ..................................................................................................................7 Ash-Fusion Temperatures ........................................................................................7 Hardgrove Grindability Index (HGI) .........................................................................7 Free-Swelling Index (FSI) .........................................................................................8 Apparent Specific Gravity (ASG) .............................................................................8 Armin Coal Mine....................................................................................................................................8 Description ....................................................................................................................................8 Geology .................................................................................................................................8 Resources and Recovery ..................................................................................................9 Utilization ..............................................................................................................................9 Coal Analyses ...............................................................................................................................9 Rank of Samples .................................................................................................................9 Grade of Samples ...............................................................................................................9 Other Properties ................................................................................................................10 Ash-Fusion Temperatures ......................................................................................10 Hardgrove Grindability Index (HGI) .......................................................................11 Free-Swelling Index (FSI) .......................................................................................11 Apparent Specific Gravity (ASG) ...........................................................................11 Balinka Mine ........................................................................................................................................11 Description ..................................................................................................................................11 Geology ...............................................................................................................................11 Resources and Recovery ................................................................................................11 Utilization ............................................................................................................................11 iv Coal Analyses .............................................................................................................................11 Rank of Samples ...............................................................................................................11 Grade of Samples .............................................................................................................11 Other Properties ................................................................................................................12 Ash-Fusion Temperatures ......................................................................................12 Hardgrove Grindability Index (HGI) .......................................................................12 Free-Swelling Index (FSI) .......................................................................................12 Apparent Specific Gravity ......................................................................................12 Putnok Coal Mine ................................................................................................................................12 Description ..................................................................................................................................12 Geology ...............................................................................................................................12 Resources and Recovery ................................................................................................14 Utilization ............................................................................................................................14 Coal Analyses .............................................................................................................................15 Rank of Samples ...............................................................................................................15