Table 1 Location, depth, temperature, cell abundance, geochemistry, and eruption rate (Anderson et al. [34]) for vent sites listed N to S
Site | Vent | Depth (m) | Average temp (max temp, °C) | Cells/ml (±95% conf int) | pH | H2S (µM) | H2 (µM) | CH4 (µM) | Eruption rate (m3/year/km) | Oxygen (meas./ bkgd.) |
|---|---|---|---|---|---|---|---|---|---|---|
Ilium | Snail Pile Mkr 138 | 3582 | 28.2 (32.3) | 2.19 × 105 (1.10 × 104) | 6.00 | 13 | 0.003 | 1.757 | 11,739 | 0.20 |
Alice Springs | Mkr-131 Snail-001 | 3611 | 38.6 (78.0) | 1.75 × 105 (7.70 × 103) | 5.91 | 1 | 0.343 | 1.696 | 11,739 | 0.47 |
Burke | Snail Pit Mkr-234 | 3631 | 40.1 (49.5) | 1.76 × 105 (5.90 × 103) | 5.85 | 213 | 0.003 | 1.831 | 11,739 | 0.41 |
Hafa Adai | Voodoo Crater-1 | 3277 | 34.4 (100.3) | 3.16 × 105 (1.70 × 104) | 6.05 | 194 | 2.380 | 1.645 | 31,600 | 0.26 |
Hafa Adai | Alba Vent | 3295 | 14.3 (16.4) | 2.41 × 105 (1.10 × 104) | 6.32 | 226 | 1.991 | 1.111 | 31,600 | 0.58 |
Hafa Adai | Voodoo Crater-2 | 3277 | 29.9 (37.4) | 4.84 × 105 (1.70 × 104) | 6.00 | 155 | 2.361 | 1.561 | 31,600 | 0.36 |
Perseverance | Leaning Tower | 3912 | 35.7 (45.5) | 1.10 × 105 (6.50 × 103) | 5.61 | 854 | 0.238 | 7.899 | 3912 | 0.59 |
Perseverance | Limpet Canyon | 3913 | 17.7 (21) | 1.04 × 106 (3.90 × 103) | 5.95 | 205 | 0.016 | 4.004 | 3912 | 0.38 |
Perseverance | In plume | 3625 | 1.6 | 1.81 × 105 (4.80 × 103) | 7.88 | 0 | 0.002 | 0.002 | 3912 | 1.00 |
Perseverance | Background | 3200 | 1.6 | 1.49 × 105 (4.80 × 104) | 7.89 | 0 | 0.002 | 0.002 | 3912 | 1.00 |
