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Lateral zoning of groundwater chemistry and authigenic mineralogy in the Oxfordian regional reservoir of the Nadym–Taz interfluve. / Novikov, D. A.; Vakulenko, L. G.; Yan, P. A.

In: Russian Geology and Geophysics, Vol. 60, No. 6, 06.2019, p. 662-674.

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@article{4e418722ff1c474ca0ae8bd917572060,
title = "Lateral zoning of groundwater chemistry and authigenic mineralogy in the Oxfordian regional reservoir of the Nadym–Taz interfluve",
abstract = "This is a pioneering study on lateral zoning of groundwater chemistry and authigenic mineralogy in the Oxfordian regional reservoir of the Nadym–Taz interfluve. According to thermodynamic calculations, the nonequilibrium–equilibrium water–rock system lacks equilibrium with primary magmatic minerals, such as albite, anorthite, and microcline, though the water is moderately saline (up to 63.3 g/L) and has been in interaction with rocks for ~165 million years. Authigenic minerals form continuously and successively (kaolinite–montmorillonite–illite–micas–chlorite–albite–microcline) from waters that have certain рH and contents of SiO2, Al, Na, K, Ca, and Mg. The equilibrium of groundwater with primary aluminosilicate minerals impinges on a carbonate barrier, and almost all rocks are more or less strongly carbonatized. Authigenic mineral assemblages from the southern Nadym–Taz interfluve include kaolinite unlike those from the northern part of the region, where albitization is more common. Authigenesis generally decays in the eastern direction.",
keywords = "Arctic, Authigenic minerals, Catagenesis, Groundwater chemistry, Lateral zoning, Upper Jurassic, Water–mineral complex, Water–rock system, West Siberia",
author = "Novikov, {D. A.} and Vakulenko, {L. G.} and Yan, {P. A.}",
note = "Publisher Copyright: {\textcopyright} 2019, V.S. Sobolev IGM, Siberian Branch of the RAS.",
year = "2019",
month = jun,
doi = "10.15372/RGG2019041",
language = "English",
volume = "60",
pages = "662--674",
journal = "Russian Geology and Geophysics",
issn = "1068-7971",
publisher = "Elsevier Science B.V.",
number = "6",

}

RIS

TY - JOUR

T1 - Lateral zoning of groundwater chemistry and authigenic mineralogy in the Oxfordian regional reservoir of the Nadym–Taz interfluve

AU - Novikov, D. A.

AU - Vakulenko, L. G.

AU - Yan, P. A.

N1 - Publisher Copyright: © 2019, V.S. Sobolev IGM, Siberian Branch of the RAS.

PY - 2019/6

Y1 - 2019/6

N2 - This is a pioneering study on lateral zoning of groundwater chemistry and authigenic mineralogy in the Oxfordian regional reservoir of the Nadym–Taz interfluve. According to thermodynamic calculations, the nonequilibrium–equilibrium water–rock system lacks equilibrium with primary magmatic minerals, such as albite, anorthite, and microcline, though the water is moderately saline (up to 63.3 g/L) and has been in interaction with rocks for ~165 million years. Authigenic minerals form continuously and successively (kaolinite–montmorillonite–illite–micas–chlorite–albite–microcline) from waters that have certain рH and contents of SiO2, Al, Na, K, Ca, and Mg. The equilibrium of groundwater with primary aluminosilicate minerals impinges on a carbonate barrier, and almost all rocks are more or less strongly carbonatized. Authigenic mineral assemblages from the southern Nadym–Taz interfluve include kaolinite unlike those from the northern part of the region, where albitization is more common. Authigenesis generally decays in the eastern direction.

AB - This is a pioneering study on lateral zoning of groundwater chemistry and authigenic mineralogy in the Oxfordian regional reservoir of the Nadym–Taz interfluve. According to thermodynamic calculations, the nonequilibrium–equilibrium water–rock system lacks equilibrium with primary magmatic minerals, such as albite, anorthite, and microcline, though the water is moderately saline (up to 63.3 g/L) and has been in interaction with rocks for ~165 million years. Authigenic minerals form continuously and successively (kaolinite–montmorillonite–illite–micas–chlorite–albite–microcline) from waters that have certain рH and contents of SiO2, Al, Na, K, Ca, and Mg. The equilibrium of groundwater with primary aluminosilicate minerals impinges on a carbonate barrier, and almost all rocks are more or less strongly carbonatized. Authigenic mineral assemblages from the southern Nadym–Taz interfluve include kaolinite unlike those from the northern part of the region, where albitization is more common. Authigenesis generally decays in the eastern direction.

KW - Arctic

KW - Authigenic minerals

KW - Catagenesis

KW - Groundwater chemistry

KW - Lateral zoning

KW - Upper Jurassic

KW - Water–mineral complex

KW - Water–rock system

KW - West Siberia

UR - http://www.scopus.com/inward/record.url?scp=85075685680&partnerID=8YFLogxK

U2 - 10.15372/RGG2019041

DO - 10.15372/RGG2019041

M3 - Article

VL - 60

SP - 662

EP - 674

JO - Russian Geology and Geophysics

JF - Russian Geology and Geophysics

SN - 1068-7971

IS - 6

ER -

ID: 23291377