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Coal Geology of the Paleocene-Eocene Calvert Bluff Formation (Wilcox Group) and the Eocene Manning Formation (Jackson Group) in east-central Texas

Edited by P.D. Warwick and S.S. Crowley

U.S. Geological Survey Open-File Report 95-595

 

Proximate Analyses (Dry basis, except where noted otherwise)
ID Depth Thick Calorific Ash Mois. Total Sulfate Pyritic Organic    
  (cm) (cm) Value Yield (AsRec.) Sulfur Sulfur Sulfur Sulfur    
      (BTU/LB) (%) (%) (%) (%) (%) (%)    
A1.1.1 0 39 8512 32.6 29.4 0.8 0.03 0.07 0.7    
A1.1.2 39 45 10667 16.9 33.8 1.3 0.02 0.27 1    
A1.1.3 84 58 11373 12 33 3.2 0.04 2.09 1.1    
A1.1.4 142 50 11792 8.9 33.1 1 0.01 0.02 0.9    
A1.P1 192 16 n.d. n.d. n.d. n.d. n.d. n.d. n.d.    
A1.P2 208 16 n.d. n.d. n.d. n.d. n.d. n.d. n.d.    
A1.2.1 224 45 11578 11.4 32.3 1 0.01 0.02 0.9    
A1.2.2 269 27 11387 10.7 36.7 1.4 0.01 0.13 1.2    
A1.2.3 296 20 10632 16.5 35.2 1.2 0.01 0.05 1.1    
                       
Major Oxides (Whole coal basis; in percent)
ID Ash SiO2 Fe2O3 MgO CaO Na2O TiO2 P2O5 K2O SO3 Al2O2
  (air-dried                    
  basis)                    
A1.1.1 30 22.5 0.6 0.3 1.3 0.07 0.3 0.012 0.45 1.8 3.6
A1.1.2 15.8 8.1 0.6 0.3 1.5 0.07 0.3 0.005 0.1 2.4 2.4
A1.1.3 11.2 2.6 2.6 0.2 1.6 0.06 0.1 0.002 L 0.03 2.8 1.1
A1.1.4 8.4 2 0.3 0.2 1.5 0.07 0.1 0.003 0.01 2.1 1.4
A1.P1 29.2 13.4 0.9 0.4 1.6 0.14 0.6 0.02 0.26 2.1 8.2
A1.P2 40.6 20.7 1.3 0.5 1.4 0.19 0.5 0.024 0.41 1.8 11.8
A1.2.1 10.8 4.1 0.3 0.3 1.7 0.07 0.2 0.004 0.02 2.2 1.7
A1.2.2 10 3.3 0.5 0.2 1.5 0.06 0.2 0.006 0.02 2.5 1.4
A1.2.3 15.2 7.6 0.4 0.3 1.5 0.06 0.2 0.011 0.1 2.3 2.7
                       
Trace Elements (Whole coal basis; in ppm)
ID Ag As Au B Ba Be Bi Cd Ce Co Cr
A1.1.1 0.6 3 3 204 189 2.4 0.6 0.24 33 7.2 17
A1.1.2 0.5 0.6 1.6 190 136 1.3 0.3 0.13 16 3 13
A1.1.3 0.2 1.1 1.1 167 109 0.3 0.2 0.09 10 1.9 8
A1.1.4 0.3 0.3 0.8 210 101 0.3 0.2 0.07 12 2 8
A1.P1 0.6 2 2.9 199 237 0.6 0.9 0.29 38 2.3 47
A1.P2 0.8 8.1 4.1 227 166 0.8 0.8 0.81 73 6.1 45
A1.2.1 0.4 0.4 1.1 216 151 1.1 0.2 0.11 24 5 15
A1.2.2 0.5 1 1 220 160 2.3 0.2 0.1 24 5.6 11
A1.2.3 0.7 0.9 1.5 229 152 3.8 0.3 0.12 44 10.7 15
                       
ID Cs Cu Dy Er Eu Ga Gd Ge Hf Hg Ho
A1.1.1 1.2 16 2.7 1.8 0.6 11.7 2.4 25.8 3 0.03 0.6
A1.1.2 0.32 24 1.7 1 0.3 6.2 1.6 1 1.6 0.1 0.32
A1.1.3 0.05 13 0.8 0.4 0.2 2.5 0.9 0.4 0.9 0.48 0.11
A1.1.4 0.04 22 1 0.5 0.3 3.7 0.8 0.4 0.6 0.12 0.17
A1.P1 2.39 85 2.6 1.5 0.6 16.9 2.6 1.3 2.9 0.31 0.58
A1.P2 4.06 85 3.2 1.6 1.2 18.7 4.1 4.1 2.8 0.16 0.41
A1.2.1 0.04 27 2.5 1.3 0.6 4.1 2.2 0.5 1.1 0.08 0.43
A1.2.2 0.08 30 2.6 1.6 0.6 6.9 2 2.9 1 0.11 0.5
A1.2.3 0.66 24 4.6 2.9 1.1 12.3 4.6 4.4 1.5 0.04 0.91
                       
ID La Li Mn Mo Nb Nd Ni Pb Pr Rb Sb
A1.1.1 18 12 90 2.5 6 15 7 9 3.6 19.7 2
A1.1.2 10 6 127 2.1 4.8 6 4 8 1.7 4.1 0.8
A1.1.3 6 4 145 1.8 1.1 4 4 2 1.1 0.5 0.3
A1.1.4 7 6 202 1.3 1.7 5 6 3 1.3 0.5 0.7
A1.P1 23 22 169 5.5 15.8 15 7 28 3.8 20.4 2.5
A1.P2 45 53 130 7.3 16.2 28 13 37 7.7 33.3 3.3
A1.2.1 11 11 184 2.3 2.2 12 8 3 2.8 0.3 0.8
A1.2.2 12 7 130 3.8 3 11 8 6 2.7 0.8 1.7
A1.2.3 21 8 123 3.7 4.6 21 11 7 5 5.5 3.2
                       
ID Sc Se Sm Sn Sr Ta Tb Te Th Tl Tm
A1.1.1 6 5 2.7 3.0L 123 0.6 0.3 0.6L 5.1 0.6L 0.3
A1.1.2 4.3 11 1.4 1.6L 143 0.5 0.3 0.3L 4.8 0.3L 0.1
A1.1.3 2.5 9 0.9 1.1L 134 0.1 0.1 0.2L 1.8 0.2L 0.1
A1.1.4 2.6 11 1.1 0.8L 168 0.2 0.2 0.2L 1.6 0.2L 0.1
A1.P1 9.1 12 2.6 2.9 190 0.9 0.3 0.6 12.8 0.6 0.2
A1.P2 10.6 145 5.3 4.1 175 0.8 0.4 0.8 14.6 0.8 0.2
A1.2.1 4.6 9 2.5 1.1L 205 0.2 0.3 0.2L 2.9 0.2L 0.2
A1.2.2 3.6 9 2.2 1 190 0.3 0.4 0.2L 4.2 0.2L 0.2
A1.2.3 8.7 8 4.1 1.5L 183 0.5 0.6 0.3L 4.6 0.3L 0.5
                       
ID U V W Y Yb Zn Zr        
       
A1.1.1 2.6 44 1.5 12 1.8 27.9 111        
A1.1.2 2.5 41 1 8.1 1 3.6 52        
A1.1.3 0.9 15 0.6 3.3 0.4 1 25        
A1.1.4 1.1 17 0.8 5 0.4 1.6 15        
A1.P1 6.4 123 1.8 10.2 1.5 4.1 85        
A1.P2 10.2 142 2 11.8 1.6 16.2 81        
A1.2.1 1.6 28 0.9 13 1.1 1 33        
A1.2.2 2.5 37 1 16 1.3 6.4 33        
A1.2.3 4.1 44 1.1 25.9 2.6 2.3 41        

Table 1. Chemical analyses for the lignite and shaley coal samples taken from the A1 bed, Calvert mine. Data includes proximate, forms of sulfur, major oxide, and trace element analyses. All data is on a whole-coal basis. L = less than, n.d. = no data.

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