Table 1 Environmental DNA samples analyzed in this study
From: Novel microbial assemblages inhabiting crustal fluids within mid-ocean ridge flank subsurface basalt
Borehole | Crustal age (Ma) | Depth | Fluid line | Sample | Number of samples by year | Total | |||
---|---|---|---|---|---|---|---|---|---|
2008 | 2009 a | 2010 | 2011 | ||||||
1025C | 1.2 | 0–46 msb | None | Basalt-hosted | — | — | 1 | — | 1 |
U1301A | 3.5 | 8–107 msb | Stainless | Basalt-hosted | 4 | 4 | 9 | 3 | 20 |
U1362A | 3.5 | 193–292 msb | Tefzel | Basalt-hosted | — | — | — | 3 | 3 |
U1362B | 3.5 | 29–117 msb | Tefzel | Basalt-hosted | — | — | — | 4 | 4 |
U1363 suite | NA | ~1–225 mbsf | NA | Sediment | — | — | 11 | — | 11 |
NA | NA | ~2500–2650 mbsl | NA | Seawater | 2 | 3 | 10 | 5 | 20 |