Petrography and geochemistry of selected lignite beds in the Gibbons Creek mine (Manning Formation, Jackson Group, Paleocene) of east-central Texas

Andrejko, 1983, Biogenic silica in peats: Possible source for certification in lignites, 25 ASTM (American Society for Testing and Materials), 1993, 526 Crowley, 1989, The effects of volcanic ash on the maceral and chemical composition of the C coal bed Emery Coal Field, Utah, Org. Geochem., 14, 315, 10.1016/0146-6380(89)90059-4 Crowley, 1994, The effects of volcanic ash distributions on a peat-forming environment: Environmental disruption and taphonomic consequences, Palaios, 9, 158, 10.2307/3515103 Davidoff, 1993, Eustatic cyclicity in the Paleocene and Eocene: Data from the Brazos River Valley Texas, Tectonophysics, 222, 371, 10.1016/0040-1951(93)90360-V Eicher, 1985, The stratigraphy of the Jackson Group, Grimes County, Texas, 181 Finkelman, 1994, Modes of occurrence of potentially hazardous elements in coal: Levels of confidence, Fuel Process. Technol., 39, 21, 10.1016/0378-3820(94)90169-4 Fisher, 1970, Depositional systems in the Jackson Group of Texas, Gulf Coast Assoc. Geol. Soc. Trans., 20, 234 Gennett, 1986, Changes in floral composition with depositional environment in Texas Jackson Group lignites, Gulf Coast Assoc. Geol. Soc. Trans., 36, 449 ICCP (International Committee for Coal Petrology), 1963 ICCP (International Committee for Coal Petrology), 1971 Kaiser, 1982, Lignite depositional models, Texas Eocene: A regional approach to coal geology, 10 Kaiser, 1980, vol. 4, 52 Maclean Hunter Publishing Company, 1994, 527 Mukhopadhyay, 1989, vol. 188, 118 Oman, 1987, Chemical analysis of Gulf Coast lignite samples with significant comparisons and interpretations of results, 211 Parks, 1966, Cluster analysis applied to multivariate geological problems, J. Geol., 74, 703, 10.1086/627205 Pennak, 1978, Fresh-water Invertebrates of the United States, 80 Ruppert, 1993, vol. 286, 83 Ruppert, 1994, Tonsteins and clay-rich layers in coal-bearing intervals of the Eocene Manning Formation, east-central Texas, Gulf Coast Assoc. Geol. Soc. Trans., 44, 649 Russell, 1955, Stratigraphy of the Wellborn and Manning formations in east-central Texas, Gulf Coast Assoc. Geol. Soc. Trans., 5, 165 Stach, 1982, 535 Swaldi, 1986, Gibbons Creek lignite mine, Mining Mag., 155, 568 Tewalt, 1986, vol. 86-l, 54 Warwick, 1988, Petrographic characteristics of the Wyodak-Anderson coal bed (Paleocene) Powder River Basin, Wyoming, U.S.A., Org. Geochem., 123, 389, 10.1016/0146-6380(88)90012-5 Yancey, 1995, Depositional environments and stratigraphy of late Eocene sediments, east-central Texas, 7 Yancey, 1991, Paleogene sequence stratigraphy and lithostratigraphy in the Brazos River Valley, Texas, 112 Yancey, 1994, Paleogene sequence stratigraphy of the Brazos River section, Texas, 104 Yancey, 1988, vol. 4, 377 Yancey, 1993, Depositional gradient analysis in transgressive systems tracts and highstand systems tracts, mid-late Eocene of the Brazos River Valley, Texas, Gulf Coast Assoc. Geol. Soc. Trans., 43, 465 Zielinski, 1985, Element mobility during alteration of silicic ash to kaolinite-a study of tonstein, Sedimentology, 32, 567, 10.1111/j.1365-3091.1985.tb00471.x