![]() ![]() ![]() ![]() Integrating multiple non-traditional isotopes allows to study dissolution, sedimentation, evaporation, and mixing of different waters in deep aquifers.Īggarwal JK, Sheppard D, Mezger K, Pernicka E (2003) Precise and accurate determination of boron isotope ratios by multiple collector ICP-MS, origin of boron in the Ngawha geothermal system. Noble gas isotopes such as 3He/ 4He, 4He/ 20Ne, and 36Ar/ 40Ar are also effective tracers for deep groundwater evolution. These values either overlap or are different compared to those in freshwater, e.g., meteoric water, river water and shallow groundwater, hydrothermal fluid, seawater, subsurface brine, lake sediment, or mineral. Here, we review the constraints of isotopes of chloride (Cl), bromine (Br), boron (B), lithium (Li), helium (He), neon (Ne), and argon (Ar) on the origin and evolution of deep groundwater in large sedimentary basins. There is therefore a need for a better understanding of the origin and evolution of deep groundwater in large sedimentary basins, e.g., by using non-traditional isotopes. Deep groundwater characteristics provide valuable information on oil and gas extraction and evolution of hydrosphere, and nonmetallic and metallic elements in deep groundwater are raising industrial interest. ![]()
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