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  1. Chapter

    Estimating LNAPL Volumes in Unimodal and Multimodal Subsurface Pore Systems

    In this chapter, we compare modeling approaches for determining the specific volume of light nonaqueous phase liquids (LNAPLs) in the subsurface on top of the water-saturated zone following spills or leaks at ...

    Miguel A. Alfaro Soto… in Advances in the Characterisation and Remed… (2024)

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    Article

    Continental degassing of 4He by surficial discharge of deep groundwater

    Helium-4 is produced in the Earth’s crust and degassed to the atmosphere. Measurements of 4He and 81Kr dating in an aquifer in Brazil suggest that most crustal 4He reaches the atmosphere by the discharge of deep ...

    Pradeep K. Aggarwal, Takuya Matsumoto, Neil C. Sturchio, Hung K. Chang… in Nature Geoscience (2015)

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    Article

    Comparisons Between the Diagenesis of Dioctahedral and Trioctahedral Smectite, Brazilian Offshore Basins

    Burial diagenetic reactions of di- and trioctahedral clay minerals were compared in Brazilian offshore, basinal sediment sequences of Cretaceous age. Originally dioctahedral smectite-rich shales of three basin...

    Hung K. Chang, Fred T. Mackenzie, Jane Schoonmaker in Clays and Clay Minerals (1986)