Research Article
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 |
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Note: Rr = Random reflectance.
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