The diffusion of ions in unconsolidated sediments

Mathematics – Logic

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Diffusion in unconsolidated sediments generally proceeds at rates ranging from half to one twentieth of those applying to diffusion of ions and molecules in free solution. Diffusion rates are predictable with respect to porosity and path tortuosity in host sediments, and can be conveniently measured by determinations of electrical resistivity on bulk sediment samples. Net ion flux is further influenced by reactions of diffusing species with enclosing sediments, but such influences should not be confused with or lumped with diffusion processes.ReferencesLiY.-H.BischoffT.MathieuG.The migration of manganese in the Arctic Basin sedimentEarth Planet. Sci. Letters71969265DuursmaF.K.Molecular diffusion of radioisotopes in interstitial water of sedimentsIAEA, Vienna SM 72/201966HorneR.A.DayA.F.YoungR.P.Ionic diffusion under high pressure in porous solid materials permeated with aqueous, electrolytic solutionJ. Physical Chem.7319692782GarrelsR.M.DreyerR.M.HowlandA.L.Diffusion of ions through intergranular spaces in water-saturated rocksGeol. Soc. Am. Bull.6019491809ZatenatskayaN.P.Eksperimental'nye dannye po diffuzii solei v glinistykh porod v protsesse litogenezaExperimental data on diffusion of salts in clayey rocksStrakhovN.M.Postsedimentatsionnye izmeneniya chetvertichnykh i pliotsenovykh glinistykh otlozhenii Bakinskogo arkhipelaga1965NaukaMoscow143OkninaN.A.Formirovaniye inzhenerno-geologicheskikh svoistv glinistykh porod v protsesse litogenezaEngineering geological properties of clayey rocks during lithogenesisLab. Gidrogeol. Problem Trudy201963205ShishkinaO.V.Kopredeleniyu intensivnosti obmena khimicheskimi elementami na granitse razdela pridonnye vody-morskiye osadkiOn the rate of exchange of chemical elements at the boundary: bottom water-sedimentOkeanograf. Komissiya Trudy196626LaiT.M.MortlandM.M.Diffusion of ions in bentonite and vermiculite2nd editionSoil Sci. Soc. America Proc.251961353GoldbergE.D.KoideM.Rates of sediment accumulations in the Indian OceanGeissJ.GoldbergE.D.Earth Science and Meteoritics1963North-HollandAmsterdam90AnikouchineW.A.Dissolved chemical substances in compacting marine sedimentsJ. Geophysical Res.721967505BernerR.A.Migration of ion and sulfur within anaerobic sediments during early diagenesisAm. J. Sci.267196919BoltG.H.De HaanF.A.M.Diffusion of alkali chlorides in clay-water systems: Discussion of a report by G.R. Dutt and P.F. LowSoil Sci.971964344CrankJ.The mathematics of diffusion1956Clarendon PressOxfordNewtonR.RoundG.F.The diffusion of helium through sedimentary rocksGeochim. Cosmochim. Acta221961106SmirnovS.I.Geochemical history of interstitial waters of sediments of marine originInternational Geology Rev.111969993CarslawH.S.JaegerJ.C.Conduction of heat in solids1959Oxford PressCambridgeThis monograph provides mathematical solutions and nomographs for heat flow which are directly analogous to the salt diffusion problem and can be used for this purpose by substitution of units and boundary conditions.

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