Full
Outline
In order to reveal the hydrochemical characteristics and genesis of groundwater under different buried depths in Huibaoling Iron Mine area, and analyze the recharge source of deep fault water, a total of 37 groundwater samples were collected from the fissure water of the Liguan Formation-Tongjiazhuang Formation, the karst fissure water of the Erqingshan Formation, the metamorphic rock fissure water and the fault water. The characteristics and genesises of groundwater hydrochemical components and the recharge source of fault water in this area were discussed by statistical analysis, Piper three-line diagram, Gibbs diagram and ion combination ratio method. The results show that the TDS of groundwater in each layer increases significantly with the increase of buried depth, and the dominant anions and cations gradually evolves from and Ca2+ to
, Cl－ and Na+. Because the hydrochemical components of each groundwater show obvious zoning in Piper three-line diagram and Gissb diagram, it can be seen that the hydraulic connection between each aquifer is poor. The formation of hydrochemical components of Liguan water and Erqingshan water is mainly controlled by rock weathering, and the ion components are mainly derived from the dissolution of carbonate, sulfate minerals and salt rocks. Metamorphic rock water is controlled by evaporation and concentration. Na+ and K+ are derived from the dissolution of silicate minerals and the alternating adsorption of cations. Ca2+, Mg2+,
and
are mainly derived from the dissolution of carbonate and sulfate and the oxidation of pyrite. The fault water is affected by both rock weathering and evaporation and concentration, and its main recharge sources are Liguan water and Erqingshan water, the prevention and control measures of water disaster should be put forward with emphasis on this source. The research results can provide reference for mine water disaster prevention and control.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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