Feldspar saturation state in natural waters

Geochimica et Cosmochimica Acta

Volumn 64, Issue 15, 2000, Pages 2567-2584

  Stefánsson, Andri ^a   Arnórsson, Stefán ^a  

^a UNIVERSITY OF ICELAND   (Iceland)

Author keywords

[No Author keywords available]

Indexed keywords

FELDSPAR; GEOCHEMISTRY; GEOTHERMAL SYSTEM; HYDROCHEMISTRY; MINERAL ALTERATION; SATURATION; WEATHERING;

EID: 0033839025     PISSN: 00167037     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0016-7037(00)00392-6     Document Type: Article

References (92)

1. The source of acidity in saline geothermal water at the Fushime field
2. The source of acidity in water discharged from high temperature geothermal reservoirs in Japan
3. Thermochemical properties of gibbsite, bayerite, boehmite, diaspore and the aluminate ion between 0 and 350°C. Div. Waste Mgt., office of Nucl. Material safety and safeguards
4. Andisols from four different regions of iceland
5. Application of the silica geothermometer in low-temperature hydrothermal areas in Iceland
6. Precipitation of calcite from flashed geothermal waters in Iceland
7. Chemical equilibria in Icelandic geothermal systems-implication for chemical geothermometry investigations
8. Deposition of calcium carbonate minerals from geothermal waters-theoretical considerations
9. Geothermal systems in Iceland: Structure and conceptual models-I. High-temperature area
10. Geothermal systems in Iceland: Structure and conceptual models-II. Low-temperature areas
11. Geothermal investigations of geothermal resources in Guatemala
12. Interpretation of chemical and isotopic data on fluids discharged from wells in the Momotombo Geothermal Field, Nicaragua
13. Processes controlling the distribution of boron and chlorine in natural waters in Iceland
14. The dissociation constants of Al-hydroxy complexes at 0-350°C and P(sat)
15. Re-injection of geothermal water. Theoretical assessment of mineral deposition
16. New gas geothermometers for geothermal exploration-calibration and application
17. Assessment of feldspar solubility in water in the range 0-350°C at P(sat)
18. Aquifer chemistry of four high-temperature geothermal systems in Iceland
19. The chemistry of geothermal waters in Iceland. I. Calculation of aqueous speciation from 0°to 370°C
20. The chemistry of geothermal waters in Iceland. II. Mineral equilibria and independent variables controlling waters compositions
21. The chemistry of geothermal waters in Iceland. III. Chemical geothermometry in geothermal investigations
22. The use of gas chemistry to evaluate boiling processes and initial steam fractions in geothermal reservoirs with an example from the Olkaria field, Kenya
23. Gas chemistry of the Krafla geothermal field, Iceland
24. 2 and Ar in pure water in the range 0-350°C
25. Chemical analyses of hot springs, pools, geysers, and surface waters from Yellowstone National Park, Wyoming, and vicinity, 1974-1975
26. 2: Representation, estimation and high temperature extrapolation
27. 2 and climate
28. The carbonate-silica geochemical cycle and its effect on atmospheric carbon dioxide over the past 100 million years
29. The speciation program WATCH version 2.1A
30. Feldspar dissolution kinetics
31. 2 and temperature on silicate weathering
32. Hydrothermal alteration as an aid in investigating geothermal fields
33. Hydrothermal alteration in active geothermal fields
34. Subsolidus phase relations of the plagioclase feldspar solid solution
35. Enthalpies of ordering in plagioclase feldspar solid solution
36. Boehmite solubility and aqueous aluminium speciation in hydrothermal solutions (90-350°C): Experimental study and modelling
37. An experimental and computational study of sodium aluminium complexing in crustal fluids
38. Quantitative interpretation of chemical characteristics of hydrothermal systems
39. Chemical geothermometers and mixing models for geothermal systems
40. A revised and expanded silica (quartz) geothermometer
41. Estimation of underground temperatures from the silica content of water from the hot springs and wet-steam wells
42. Geothermal gas equilibria
43. Geothermal mineral equilibria
44. Geothermal solute equilibria: Derivation of Na-K-Mg-Ca geoindicators
45. IAEA interlaboratory comparative geothermal water analysis program
46. Kinetics of water-air interactions in rivers: A field study in Iceland
47. Dissolution of primary basaltic minerals in natural waters: Saturation state and kinetics
48. Geochemical monitoring of the Krafla and Namafjall geothermal areas, N-Iceland
49. 0
50. Thermodynamics of hydrothermal systems at elevated temperatures and pressures
51. Summary and critique of the thermodynamic properties of rock-forming minerals
52. 2
53. Enthalpies and volumes related to Na-K mixing and Al-Si order/disorder in alkali feldspars
54. Alteration of basaltic rock by hydrothermal activity at 100-300°C
55. 2 over the past 100 years
56. Silica in hot water discharged from drillholes at Wairakei, New Zealand
57. The significance of the river input of chemical elements to the ocean
58. Distribution of Be, Al, Se and Bi in the surface waters of the western North Atlantic and Caribbean
59. The physical chemistry of geothermal systems
60. The geyser bight geothermal area, Umnak Island, Alaska
61. Dissolved aluminum in the central north Pacific
62. Theoretical chemical thermometry on geothermal waters: Problems and methods
63. Reservoir temperatures of geothermal fields and residence time of thermal waters derived from isotope data on dissolved sulphate
64. The stability of aluminium silicate complexes in acidic solutions from 25 to 150°C
65. Structure and stability of aluminum-silica complexes in neutral to basic solutions. Experimental study and molecular orbital calculations
66. 2O-NaCl
67. 2O-KOH
68. Description and interpretation of the composition of fluid and alteration mineralogy in the geothermal system, at Svartsengi, Iceland
69. Quartz solubility at low temperatures
70. Thermodynamics of sodium feldspars I: Order parameter treatment and strain induced coupling effects
71. Thermodynamics of sodium feldspar II: Experimental results and numerical calculations
72. Geochemical report on the Laguna Colorada geothermal area, Bolivia
73. Calculation of the thermodynamic and transport properties of aqueous species at high pressures and temperatures: Correlation algorithms for ionic species and equation of state predictions to 5 kb and 1000°C
74. Calculation of the thermodynamic and transport properties of aqueous species at high pressure and temperature: Standard partial molal properties of inorganic neutral species
75. Inorganic species in geologic fluids: Correlation among standard molal thermodynamic properties of aqueous ions and hydroxide complexes
76. Chemical weathering of basalts, SW Iceland: Effect of rock crystallinity, weathering minerals and vegetative cover on chemical fluxes to the ocean
77. Dissolution of primary minerals of basalt in natural waters. II. Mineral saturation state
78. Chemical techniques in exploration, summary of section III
79. Thermodynamic properties of the aluminate ion and of bayertite, boehmite, diaspore and gibbsite
80. 2 over the last 100 million years
81. Quartz solubility in hydrothermal sea water: An experimental study and equation describing quartz solubility for up to 0.5 M NaCl solution
82. Clay minerals of four soils formed in eolian and tephra materials in Iceland
83. Calorimetric investigation of Na-K mixing and polymorphism in the alkali feldspars
84. Calculation of the thermodynamic properties of aquoeus silica and the solubility of quartz and its polymorphs at high pressures and temperatures
85. 4 from 0 to 100°C