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

Table 3

Vitrinite/huminite reflectance of Samarinda coal.

Seam	Rr (%)	Mean Rr value
Seam 1	0.34–0.43	0.39
Seam 2	0.38–0.46	0.42
Seam 3	0.34–0.38	0.36
Seam 4	0.25–0.34	0.30
Seam 5	0.32–0.43	0.38
Seam 6	0.30–0.39	0.35
Seam 7	0.43–0.48	0.45
Seam 8	0.26–0.34	0.30
Seam 9	0.35–0.47	0.44
Seam 10	0.37–0.43	0.40
Seam 12	0.22–0.39	0.31
Seam 13	0.40–0.47	0.44
Seam 14	0.41–0.44	0.43
Seam 15	0.40–0.46	0.43
Seam 17	0.31–0.41	0.36
Seam 18	0.36–0.45	0.41
Seam 19	0.39–0.48	0.44
Seam 16a	0.42–0.35	0.38
Seam 16b	0.31–0.42	0.38
Seam 16c	0.33–0.45	0.38
Seam 16d	0.37–0.46	0.40
Seam 16e	0.27–0.35	0.31
Seam 16f	0.28–0.39	0.33
Seam 16g	0.35–0.42	0.37

Note: Rr = Random reflectance.