4.3 Methods Used in Evaluation of Coals …
117
Table 4.1 Seam sample depth vitrinite liptinite inertinite minerals
Seam
Sample
Depth
Vitrinite
Liptinite
Inertinite
Minerals
No. 4
906
816
Counted
No. 5a
909
895.1
42.7
14
21.3
22
Density
57.9
14.6
27.5
Ash
28.5
Counted
No. 6
910
910.2
45.2
21.3
28
5.5
Density
45.3
23.9
30.8
Ash
12.8
Couned
No. 7b
914
941.4
40.5
12
30.5
17
Density
52.3
11.1
36.6
Ash
23.3
Counted
No. 10
916
1068.7
58
16.3
12.5
13.2
Density
63.5
12.1
24.2
Ash
19.4
Fig. 4.2 Comparing maceral separation by two methods
the transmission electron micrographs (TEM, Fig. 4.5) minerals may be intimately
associated with the organic components (maceral) and will not separate from them.