The Hydrochemical Characteristics of Underground Brine along the South of Laizhou Bay

Su, Qiao; Yu, Hong; Peng, Changsheng; Xu, Xing Yong

doi:10.4028/www.scientific.net/amr.1010-1012.389

Cited by 4 publications

(5 citation statements)

References 2 publications

(1 reference statement)

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“…Similarly, the hydrogeochemical studies conducted by Zhang et al (1996) suggested that underground brine was formed during transgression of the late Pleistocene. Su et al ( 2011 ) analyzed the hydrochemical characteristics of underground brine samples collected from the littoral plain in the coast south of Laizhou Bay, and the results showed that the characteristics of underground brine was consistent with those of seawater, and the rNa / rCl , rK / rBr , rMg / rCa coefficients reflected underground brine origination from the paleo sedimentation with strong concentration and weak metamarphism. Based on geological exploration, Wang et al ( 2008 ) summarized the geological characteristics and metallogenic regularity of underground brine deposit in the coast of Laizhou Bay.…”

Section: Introductionmentioning

confidence: 99%

Conceptual Model of Underground Brine Formation in the Silty Coast of Laizhou Bay, Bohai Sea, China

Gao

Hou

Guo

2016

Journal of Coastal Research

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Section: Introductionmentioning

confidence: 99%

Conceptual Model of Underground Brine Formation in the Silty Coast of Laizhou Bay, Bohai Sea, China

Gao

Hou

Guo

2016

Journal of Coastal Research

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“…In general, the rK/rBr of the sedimentary brine should be smaller than that of seawater. That which is higher than seawater is usually dissolved and filtered with potassium salt brine [36]. The rK/rBr of freshwater in Laizhou Bay is much higher than that of seawater.…”

Section: Sources Of Brine Chemical Componentsmentioning

confidence: 90%

“…The rNa/rCl can be used to determine the genesis of groundwater and the intensity of metamorphism [36]. The rNa/rCl of the brine is closer to the Bohai Sea seawater and distant from the underground freshwater in the Laizhou Bay area, which indicates that it belongs to the derived water of seawater.…”

Section: Sources Of Brine Chemical Componentsmentioning

confidence: 99%

The Study on the Genesis of Underground Brine in Laizhou Bay Based on Hydrochemical Data

Chen,

Yu,

et al. 2023

Water

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The Laizhou Bay area contains a large amount of Quaternary brine resources, which have been gradually depleted by long-term high-intensity mining. The local brine genesis is still controversial, and the dominant theory of the evaporation of brine formation limits the exploration of brine resources to the land area, while the confirmation of freezing brine formation would greatly expand the brine storage range. In this research paper, the genesis of underground brines was analyzed based on the major ion concentrations of 62 samples of underground brines at different depths at 24 stations along the south coast of Laizhou Bay. The results show that the underground brines originated from seawater; however, their chemical components were changed during the evolution process after formation. The hydrogeochemical modeling results show that the mixing of seawater and fresh groundwater also affects the chemical composition of brines. The large-scale exploitation of brine resources in recent decades has also led to significant changes in the chemical composition of the underground brine in Laizhou Bay compared with the earlier period. The special geographic environment and the development of the brine chemical industry have led to the evolution of underground brines in Laizhou Bay being affected by a variety of factors, which makes the traditional analysis of brine genesis in this region not applicable. Furthermore, although evaporation and concentration are the dominant factors in the formation of brine, there is still a lack of evidence to rule out the existence of the freezing pathway.

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“…Brine refers to water stored in underground bedrock fissures. The brine has a high concentration of total dissolved solids and is considered to originate from evaporating and concentrating of paleo-seawater [10,31,32]. Seawater refers to water in the Bohai Sea located northwest of the mining area.…”

Section: Sampling and Analytical Proceduresmentioning

confidence: 99%

Source Identification and Quantification of Seepage Water in a Coastal Mine, in China

Duan

Guo

et al. 2019

Water

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The Sanshandao gold mine, which is the largest coastal mine in China, is under threat from seawater intrusion and water inrush. The objective of this study is to determine the water end-members (seawater, freshwater, and brine) of the seepage water in the mine and quantify the proportion of end-members. Non-conservative ions and ion exchange were identified by using hydrogeochemical analysis. Then, the principal component analysis (PCA) was used to identify the end-members of mine water. Three end-members were identified, so a ternary mixture model was applied to compute the mixing ratios. The potential water flow channels and the prevailing supply patterns were inferred by combining the results of mixing ratios with the tectonic and engineering geological conditions. The results indicate that the proportion of seawater in mine water is about 57%, the freshwater is about 16% and the brine is about 27% for the entire mine area, the prevailing supply pattern of seawater was lateral recharge, the water samples which were located in −510 m sublevel or in the northeast of prospecting line 2260 had high proportions of seawater, the freshwater supplied the groundwater mainly through the secondary fractures developed area in a vertical recharge and the influence depth was about −500 m, and F3 was the largest tensile-shear fault in the study area and it was both a watercourse for seawater and fresh water.

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The Hydrochemical Characteristics of Underground Brine along the South of Laizhou Bay

Cited by 4 publications

References 2 publications

Conceptual Model of Underground Brine Formation in the Silty Coast of Laizhou Bay, Bohai Sea, China

Conceptual Model of Underground Brine Formation in the Silty Coast of Laizhou Bay, Bohai Sea, China

The Study on the Genesis of Underground Brine in Laizhou Bay Based on Hydrochemical Data

Source Identification and Quantification of Seepage Water in a Coastal Mine, in China

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