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Chapter G—Quality Characterization of Cretaceous Coal from The Chapter G National Coal Resource Quality Characterization of Assessment Cretaceous Coal from the Colorado Plateau Coal Assessment Area Click here to return to Disc 1 By Ronald H. Affolter1 Volume Table of Contents Chapter G of Geologic Assessment of Coal in the Colorado Plateau: Arizona, Colorado, New Mexico, and Utah Edited by M.A. Kirschbaum, L.N.R. Roberts, and L.R.H. Biewick U.S. Geological Survey Professional Paper 1625–B* 1 U.S. Geological Survey, Denver, Colorado 80225 * This report, although in the USGS Professional Paper series, is available only on CD-ROM and is not available separately U.S. Department of the Interior U.S. Geological Survey Contents Introduction .................................................................................................................................................G1 Colorado Plateau .......................................................................................................................................... 1 Priority Assessment Areas.......................................................................................................................... 1 Geology........................................................................................................................................................... 2 Methods ......................................................................................................................................................... 3 Explanation of Data Selected for the Colorado Plateau Area............................................................... 6 Coal Quality.................................................................................................................................................... 8 Coal Quality Characterization ..................................................................................................................... 8 Conclusion............................................................................................................................................................. 16 References Cited ........................................................................................................................................ 18 Appendix 1—Number of samples, mean, median, range, and standard deviation of proximate and ultimate analyses, calorific value, forms of sulfur, and ash- fusion temperatures for high-priority coal fields in the Colorado Plateau coal assessment area, listed by coal field................................................................................ 20 [Tables in Appendix 1 listed below] A1-1. Black Mesa....................................................................................................................... 20 A1-2. Book Cliffs......................................................................................................................... 21 A1-3. Carbondale........................................................................................................................ 22 A1-4. Crested Butte.................................................................................................................... 23 A1-5. Danforth Hills.................................................................................................................... 24 A1-6. Durango............................................................................................................................. 25 A1-7. Grand Hogback................................................................................................................ 26 A1-8. Grand Mesa...................................................................................................................... 27 A1-9. Lower White River ........................................................................................................... 28 A1-10. Somerset ........................................................................................................................... 29 A1-11. Yampa ................................................................................................................................ 30 A1-12. Bisti .................................................................................................................................... 31 A1-13. Fruitland............................................................................................................................. 32 A1-14. Monero .............................................................................................................................. 33 A1-15. Navajo................................................................................................................................ 34 A1-16. Star Lake........................................................................................................................... 35 A1-17. Henry Mountains............................................................................................................. 36 A1-18. Kaiparowits Plateau........................................................................................................ 37 A1-19. Wasatch Plateau.............................................................................................................. 38 Appendix 2—Number of samples, mean, median, range, and standard deviation of ash and 38 elements for high-priority coal fields in the Colorado Plateau coal assessment area, listed by coal field......................................................................................... 39 [Tables in Appendix 2 listed below] A2-1. Black Mesa....................................................................................................................... 39 A2-2. Book Cliffs......................................................................................................................... 40 A2-3. Carbondale........................................................................................................................ 41 A2-4. Crested Butte.................................................................................................................... 42 A2-5. Danforth Hills.................................................................................................................... 43 A2-6. Durango............................................................................................................................. 44 A2-7. Grand Hogback................................................................................................................ 45 A2-8. Grand Mesa...................................................................................................................... 46 A2-9. Lower White River ........................................................................................................... 47 A2-10. Somerset ........................................................................................................................... 48 A2-11. Yampa ................................................................................................................................ 49 A2-12. Bisti .................................................................................................................................... 50 A2-13. Fruitland............................................................................................................................. 51 A2-14. Monero .............................................................................................................................. 52 A2-15. Navajo................................................................................................................................ 53 A2-16. Star Lake........................................................................................................................... 54 A2-17. Henry Mountains............................................................................................................. 55 A2-18. Kaiparowits Plateau........................................................................................................ 56 A2-19. Wasatch Plateau.............................................................................................................. 57 Appendix 3—Explanation of data in the Coplateau.txt file used to create the ArcView shapefile for Colorado Plateau chemical data ........................................................ 58 Appendix 4—Supplemental selected references on the geology and chemistry from the Colorado Plateau coal assessment area and surrounding areas.................................. 62 Appendix 5—Minimum, maximum, and mean values for ash yield, sulfur content, calorific value, and moist, mineral-matter-free Btu, grouped by high-priority coal fields and stratigraphic units for the Colorado Plateau coal assessment area......... 96 [Figures in Appendix 5 listed below] A5-1. Minimum, maximum, and mean contents of ash yield for coal from high-priority coal fields in the Colorado Plateau coal assessment area ............... 96 A5-2. Minimum, maximum, and mean contents of sulfur content for coal from high-priority coal fields in the Colorado Plateau coal assessment area ...... 97 A5-3. Minimum, maximum, and mean contents of calorific value for coal from high-priority coal fields in the Colorado Plateau coal assessment area ............... 98 A5-4. Minimum, maximum, and mean contents of moist, mineral-matter-free Btu for coal from high-priority coal fields in the Colorado Plateau coal assessment area.............................................................................................................
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