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Wateq4F

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<span class="search-highlight">WATEQ4F</span> RESULTS FOR DRIP WATER FROM STALACTITES AND MUD
Published: 01 August 2005
TABLE 6. WATEQ4F RESULTS FOR DRIP WATER FROM STALACTITES AND MUD
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Saturation indices calculated using <span class="search-highlight">WATEQ4F</span> for the pore water 98CA106.
Published: 01 August 2005
F ig . 8. Saturation indices calculated using WATEQ4F for the pore water 98CA106.
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Logarithms of the indices of saturation of the Berezovyi Brook water with F...
Published: 01 February 2009
Fig. 1. Logarithms of the indices of saturation of the Berezovyi Brook water with Fe, Ca, Mg, Cd, Cu, Pb, and Zn minerals. Computed by the Wateq4F program ( Ball and Nordstrom, 1991 ).
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Saturation indices (SI) for (A) atacamite and (B) malachite for Spence depo...
Published: 01 May 2005
Fig. 21 Saturation indices (SI) for (A) atacamite and (B) malachite for Spence deposit groundwaters. Computations by the program PHREEQC ( Parkhurst 1995 ) with the WATEQ4F thermodynamic database ( Ball & Nordstrom 1991 ).
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Compositions of groundwaters from Spence related to the stability fields fo...
Published: 01 May 2005
Fig. 20 Compositions of groundwaters from Spence related to the stability fields for Cu oxides, carbonates and sulphates after Woods & Garrels (1986) . Computations by the program PHREEQC ( Parkhurst 1995 ) with the WATEQ4F thermodynamic database ( Ball & Nordstrom 1991 ).
Journal Article
Published: 01 September 2015
The Canadian Mineralogist (2015) 53 (5): 961–977.
... sulfate minerals at seepage zones were identified, including melanterite, rozenite, halotrichite, chalcanthite, alpersite, copiapite, hexahydrite, jurbanite, pickeringite, jarosite, and gypsum. According to geochemical modeling of seepage waters using a modified WATEQ4F database for ferrous and ferric...
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Indices of mineral saturation of the Tsagan-Tyrm waters computed using the ...
Published: 01 May 2011
Fig. 1. Indices of mineral saturation of the Tsagan-Tyrm waters computed using the Wateq4F program at different temperatures. The dolomite saturation indices of filtrated solutions are shown by black (25 °C) and white (4 °C) rectangles, and those of nonfiltered solutions, by hatched rectangles
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Classification of the samples using a comparison between the partial pressu...
Published: 01 January 2002
= lake waters. Computations were made using WATEQ4F ( Truesdell and Jones, 1973 ; Appelo and Postma, 1993 ).
Journal Article
Published: 01 August 2002
Geochemistry: Exploration, Environment, Analysis (2002) 2 (3): 263–268.
... in the easily reducible fraction of the pulp (2–8 cm depth for C-2) is 9.9%. Thermodynamic calculations of saturation indices and species in solutions were performed with the aid of WATEQ4F ( Ball & Nordstrom 1991 ). Saturation index is defined as: SI=log 10 (IAP/ K sp(T) ), where IAP is the calculated...
FIGURES
Journal Article
Published: 01 August 2005
The Canadian Mineralogist (2005) 43 (4): 1225–1242.
...TABLE 6. WATEQ4F RESULTS FOR DRIP WATER FROM STALACTITES AND MUD ...
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Abundance of arsenite (A, B) and arsenate (C, D) species in a generic high ...
Published: 01 January 2014
) with the WATEQ4F database modified to include constants for arsenic-metal complexes ( Nordstrom et al. 2014 , this volume).
Journal Article
Published: 01 May 2011
Russ. Geol. Geophys. (2011) 52 (5): 548–554.
...Fig. 1. Indices of mineral saturation of the Tsagan-Tyrm waters computed using the Wateq4F program at different temperatures. The dolomite saturation indices of filtrated solutions are shown by black (25 °C) and white (4 °C) rectangles, and those of nonfiltered solutions, by hatched rectangles...
FIGURES
Journal Article
Published: 01 April 2013
American Mineralogist (2013) 98 (4): 530–548.
... computer program ( Parkhurst and Appelo 1999 ) were performed using the wateq4f database (detailed information about input data and results can be found in the electronic supplement 1 ). Since there exist different thermodynamic data for uranyl minerals in the literature and the databases of various...
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Journal Article
Published: 01 February 1995
Quarterly Journal of Engineering Geology and Hydrogeology (1995) 28 (Supplement_1): S1–S15.
... . Chemical characterization of fossil fuel wastes. EPRI Report EA-5321. PaiD Alto, California. Electric Power Research Institute. Ball, J. W., Nordstrom,D. K. & Zachman,D. K. 1987. WATEQ4F—A personal computer FORTRAN translation of the geochemical model WATEQ2 with revised database. U.S...
Journal Article
Published: 01 April 2015
Mineralogical Magazine (2015) 79 (2): 497–513.
... the chemical equilibrium between the solid and dissolved phases in the lake and to predict the dominant species and ionic complexes in the water as well as the formation of minerals. This software incorporates several databases ( MINTEQ, WATEQ4F, PHREEQC, PITZER ) which contain thermodynamic data for a large...
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Journal Article
Published: 01 May 2005
Geochemistry: Exploration, Environment, Analysis (2005) 5 (2): 135–145.
...Fig. 21 Saturation indices (SI) for (A) atacamite and (B) malachite for Spence deposit groundwaters. Computations by the program PHREEQC ( Parkhurst 1995 ) with the WATEQ4F thermodynamic database ( Ball & Nordstrom 1991 ). ...
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Journal Article
Journal: Geology
Published: 01 June 2012
Geology (2012) 40 (6): 555–558.
... program PHREEQC ( Parkhurst and Appelo, 1999 ) with the WATEQ4F database ( Ball and Nordstrom, 1991 ), amended to include (Fe-Ca)CO 3 calcite and siderite solid solutions (X Fe = 0–0.05 and X Fe = 100–0.98). Changes to fluid Eh-pH were mapped as hematite dissolved ( Fig. 5 ). Ca is assumed constant (10...
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Journal Article
Published: 01 November 1995
Quarterly Journal of Engineering Geology and Hydrogeology (1995) 28 (Supplement_2): S101–S113.
.... Balkema, Rotterdam. Archer, D. 1992 . Land of Singing Waters: Rivers and Great Floods of Northumbria. Spredden Press, Stocksfield, UK. Ball, J. W. & Nordstrom, D. K. 1991 . User's manual for WATEQ4F, with revised thermodynamic data base and test cases...
Journal Article
Published: 01 February 2009
Russ. Geol. Geophys. (2009) 50 (2): 87–95.
...Fig. 1. Logarithms of the indices of saturation of the Berezovyi Brook water with Fe, Ca, Mg, Cd, Cu, Pb, and Zn minerals. Computed by the Wateq4F program ( Ball and Nordstrom, 1991 ). ...
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Journal Article
Published: 01 November 2010
American Mineralogist (2010) 95 (11-12): 1642–1649.
... model although unfiltered samples must be cautiously interpreted. PHREEQC Interactive 2.15.0 ( Parkhurst and Appelo 1999 ) and the WATEQ4F database ( Ball and Nordstrom 1991 ) were employed to calculate saturation indices (SI = logIAP – logK; IAP = ion activity product) of possible dissolved...
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