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Groundwater chemistry and water-rock interactions at Stripa

Nordstrom, Darrell Kirk ; Ball, James W. ; Donahoe, Rona J. ; Whittemore, Donald

Geochimica et cosmochimica acta, 1989-08, Vol.53 (8), p.1727-1740 [Periódico revisado por pares]

United States: Elsevier Ltd

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Título:
Groundwater chemistry and water-rock interactions at Stripa
Autor: Nordstrom, Darrell Kirk ; Ball, James W. ; Donahoe, Rona J. ; Whittemore, Donald
Assuntos: 052002 - Nuclear Fuels- Waste Disposal & Storage ; 290300 - Energy Planning & Policy- Environment, Health, & Safety ; 540330 - Environment, Aquatic- Radioactive Materials Monitoring & Transport- (1990-) ; 540350 - Environment, Aquatic- Site Resource & Use Studies- (1990-) ; 580000 - Geosciences ; ALKALINE EARTH METAL COMPOUNDS ; BARITE ; BARIUM COMPOUNDS ; BARIUM SULFATES ; CALCITE ; CALCIUM CARBONATES ; CALCIUM COMPOUNDS ; CALCIUM FLUORIDES ; CALCIUM HALIDES ; CARBON COMPOUNDS ; CARBONATE MINERALS ; CARBONATES ; CHEMICAL ANALYSIS ; CHEMICAL COMPOSITION ; CHEMISTRY ; DISSOLUTION ; ENERGY PLANNING, POLICY AND ECONOMY ; ENVIRONMENTAL SCIENCES ; ENVIRONMENTAL TRANSPORT ; EUROPE ; FLUORIDES ; FLUORINE COMPOUNDS ; FLUORITE ; GEOCHEMISTRY ; GEOSCIENCES ; GRANITES ; GROUND WATER ; HALIDE MINERALS ; HALIDES ; HALOGEN COMPOUNDS ; HIGH-LEVEL RADIOACTIVE WASTES ; HYDRAULIC CONDUCTIVITY ; HYDROGEN COMPOUNDS ; HYDROLOGY ; IGNEOUS ROCKS ; ISOTOPE RATIO ; MANAGEMENT ; MANAGEMENT OF RADIOACTIVE AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES ; MASS TRANSFER ; MATERIALS ; MINERALS ; NUCLEAR FACILITIES ; OXYGEN COMPOUNDS ; PERMEABILITY ; PLUTONIC ROCKS ; RADIOACTIVE MATERIALS ; RADIOACTIVE WASTE DISPOSAL ; RADIOACTIVE WASTE FACILITIES ; RADIOACTIVE WASTES ; RADIONUCLIDE MIGRATION ; RESEARCH PROGRAMS ; RISK ASSESSMENT ; ROCK-FLUID INTERACTIONS ; ROCKS ; SALINITY ; SCANDINAVIA ; SITE CHARACTERIZATION ; SITE SELECTION ; SULFATE MINERALS ; SULFATES ; SULFUR COMPOUNDS ; SWEDEN ; WASTE DISPOSAL ; WASTE MANAGEMENT ; WASTES ; WATER ; WESTERN EUROPE
É parte de: Geochimica et cosmochimica acta, 1989-08, Vol.53 (8), p.1727-1740
Notas: ObjectType-Article-2
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Descrição: Groundwaters from near surface to a depth of 1232 m in the Stripa granite have been sampled and analyzed for major and trace constituents. The groundwater composition consists of two general types: a typical recharge water of Ca-HCO 3 type (<300 m depth) and a deeper Na-Ca-Cl type (>700 m depth) of high pH (8–10) that reaches a maximum of 1250 mg/L in total dissolved solids (TDS). Intermediate depths show mixtures of the two types that are highly fracture-dependent rather than depth-dependent. Any borehole can vary significantly and erratically in TDS for either a horizontal or vertical direction. The general transition from Ca-HCO 3 type to Na-Ca-Cl type correlates with the depth profile for hydraulic conductivity that drops from 10 −8 m/s to 10 −11 m/s or lower. Thermomechanical stress (from heater experiments) clearly shows an effect on the groundwater composition that could be caused by changing flow paths, leakage of fluid inclusions or both. Dissolution and precipitation of calcite, fluorite and barite, aluminosilicate hydrolysis, and addition of a saline source (possibly fluid inclusion leakage) play the major roles in defining the groundwater composition. The low permeability of the Stripa granite has produced a groundwater composition that appears intermediate between the dilute, shallow groundwaters typical of recharge in a crystalline rock terrain and the saline waters and brines typical of cratonic shield areas at depth.
Editor: United States: Elsevier Ltd
Idioma: Inglês

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Groundwater chemistry and water-rock interactions at Stripa

Nordstrom, Darrell Kirk ; Ball, James W. ; Donahoe, Rona J. ; Whittemore, Donald

United States: Elsevier Ltd

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