TABLE 3.
Summary of types and depths of environmental samples collected from the NIT at the Kam Kotia Mine, in which the overall microbial diversity was assessed using high-throughput amplicon sequencing of 16S rRNA genesa
| Sample type | Depth (m) at: |
|||
|---|---|---|---|---|
| Site 1b | Site 3 | Site 4 | Site 5 | |
| Soil | 0.05 | 0.05 | 0.05 | 0.05 |
| Sand | 0.3 | 0.3 | 0.3 | 0.4 |
| Clay | 0.75 | 0.65 | 0.7 | 0.95 |
| Cushion sand | 1.1 | 0.95 | 1 | 1.25 |
| Rock | 1.3 | 1.4 | 1.37 | 1.75 |
| Tailings | 2 | 2.16 | 1.8 | 1.97 |
| 2.67 | 2.44 | 2.02 | 2.18 | |
| 3.18 | 3.25 | 2.47 | 2.56 | |
| 3.67 | 3.43 | NA | NA | |
| 4.24 | NA | NA | NA | |
| 4.68 | NA | NA | NA | |
a
NA, not available.
b
Selected groups of viable microorganisms were also enumerated by the most probable number technique.