A Comparison of Maceral and Microlithotype Indices for Interpretation of Coals in the Samarinda Area, Lower Kutai Basin, Indonesia

Table 5

Petrographic data: (microlithotype group) analysis of coal samples from the studied area, Group A: sporoclarite + duroclarite + vitrinertoliptite; Group B: fusitoclarite + vitrinertite-I; Group C: clarite-V + vitrite + cuticoclarite; Group D: clarodurite + durite + macrolite + carbominerite.

Seam number	Group A	Group B	Group C	Group D
Seam 1	6.15	44.13	49.16	0.6
Seam 2	18.1	48.4	23.93	9.5
Seam 3	0.5	3.96	95.5	0.4
Seam 4	0	18.2	59.73	22.15
Seam 5	25.29	30.46	43.97	0.29
Seam 6	17.9	24.1	57.65	0.3
Seam 7	15.56	20.37	64	0
Seam 8	18.1	23.68	58.22	0
Seam 9	16.4	19.86	63.01	0.68
Seam 10	15.97	31.93	47.9	4.2
Seam 12	13.51	51.35	33.98	1.16
Seam 13	13.47	27.35	58.37	0.8
Seam 14	6.6	36.32	57.08	0
Seam 15	0	1.5	98.5	0
Seam 16	15.72	35.81	42.79	5.68
Seam 17	19.16	25.78	54.36	0.7
Seam 18	2.7	60.33	35.87	1.1
Seam 19	27.14	27.39	49.97	0.5