TABLE 2.
Site and location (reference) | Physicochemical parameter |
|||
---|---|---|---|---|
pH | Temp (°C) | Fe2+ (g liter−1) | SO42− (g liter−1) | |
Drainage stream, Iron Mountain, CA, USA (30) | 2.4 | 20 | NRc | NR |
Stream draining a mineral tailing dam, New Zealand (33) | 3.5 | NR | NR | NR |
Stream draining an abandoned copper mine, Spain (34) | 2.5–2.75 | 15–25 | 0.4–1.2 | 1.5 |
Acid streamers; abandoned copper mine acid mine drainage, Wales (7) | 2.5 | 9 | 0.5 | 1.7 |
Acid streamers: chalybeate spa, Wales (7) | 2.9 | 9.5 | 0.02 | NR |
Water draining copper bioheaps, China (35) | 2.5 | 25 | 1.3b | 2 |
Acid mine drainage, sulfide mine, China (36) | 2.5 | 25 | 4.0b | 4.3 |
Water draining an abandoned uranium mine, Germany (37) | 2.6 | NR | NR | 0.8 |
Water samples, copper mine, China (38) | 2.0 | NR | 1.9b | 3.6 |
Water samples, pyrite mine, China (39) | 3.0 | 28 | 0.7b | 2.9 |
Passive mine water remediation site, Australia (40) | 3.0–5.0 | NR | 0.6–1.2 | 0.5–1.7 |
Water and solids, groundwater treatment plant, Germany (41) | 3.0 | 17 | 1.0 | 2.4 |
Snottites, abandoned pyrite mine, Germany (42) | 2.6 | NR | 0.8 | 19.0 |
Biofilms, abandoned uranium mine, Germany (43) | 2.5–2.9 | NR | 0.05–0.3 | 0.8–2.5 |
Stream draining a surface coal mine; Pennsylvania, USA (44) | 2.4–3.5 | 2.4–3.5 | 0.5 | 3.0 |
Acid streamers, underground pyrite mine, Wales (26) | 2.1–2.3 | 2.1–2.3 | 0.2–0.7 | 3.4–4.1 |
Lignite mine pit lake, Germany (45) | 2.9 | 9–15 | 0.6–0.9 | 1.2–8.6 |
Abandoned polymetallic sulfide mine, Spain (46) | 3.1 | 26 | 2.31 | 9.0 |
Volcanic ash deposit, Japan (47) | 3.4 | 13 | NR | NR |
Underground copper mine, Czech Republic (48) | 2.7–3.1 | 4.5–8.7 | 0.06–0.77b | 0.8–3.5 |
Various acid mine drainage sites, southeastern China (49) | 1.9–4.1 | 13–39 | 0–4.8 | 2.7–5.9 |
Rio Tinto, Spain (50) | 2.6–3.7 | NR | 0.31–0.75 | 0.8–1.6a |
Acidic lake (Motykino), Russia (51) | 4.5–4.8 | NR | NR | NR |
Metal mine pit lake, Spain (52) | 2.5–3.5 | 12–16 | 0–0.5 | 0.7–1.9 |
Acid streamers, copper mine drainage stream, Wales (13) | 2.5 | 11 | 0.0.38 | 0.8 |
“Iron snow”; lignite pit lake, Germany (53) | 4.0 | 9–15 | 0.39 g−1b | 0.17 g−1a |
Water sample, Reiche Zeche mine, Germany (54) | 2.9 | NR | 0.26 | NR |
Determined as total sulfur.
Total iron.
NR, not reported.