A model for fibrous illite nucleation and growth in sandstones

American Association of Petroleum Geologists Bulletin

Volumn 94, Issue 8, 2010, Pages 1161-1187

  Lander, Robert H ^a   Bonnell, Linda M ^a  

^a Ceocosm LLC   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CRYSTALLITE SIZE; FELDSPAR; KAOLINITE; MICA; NUCLEATION; OFFSHORE OIL WELL PRODUCTION; PARTICLE SIZE; SANDSTONE;

ARRHENIUS EXPRESSIONS; DIAGENETIC PROCESS; ILLITE PARTICLES; K-FELDSPAR GRAINS; MAXIMUM TEMPERATURE; MODEL PERFORMANCE; NUCLEATION AND GROWTH; TEMPERATURE HISTORY;

POTASSIUM COMPOUNDS;

DATA SET; DIAGENESIS; FELDSPAR; ILLITE; JURASSIC; KAOLINITE; MIOCENE; NUCLEATION; NUMERICAL MODEL; PARAMETERIZATION; PARTICLE SIZE; PERFORMANCE ASSESSMENT; PERMEABILITY; POTASSIUM; REACTION KINETICS; SANDSTONE; SATURATION; SURFACE AREA; TEMPERATURE EFFECT; UNCERTAINTY ANALYSIS;

ASIA;

EID: 77955938178     PISSN: 01491423     EISSN: None     Source Type: Journal    
DOI: 10.1306/04211009121     Document Type: Article

References (98)

1. Aagaard, P., J. S. Jahren, and P. K. Egeberg, 1992, North Sea clastic diagenesis and formation water constraints, in Y. K. Kharaka and A. S. Maest, eds., Water-rock interaction: Proceedings of the 7th International Symposium, Park City, Utah, July 13-18.
2. Altaner, S. P., 1986, Comparison of rates of smectite illitiza-tion with rates of K-feldspar dissolution: Clays and Clay Minerals, v. 34, p. 608-611, doi: 10.1346/CCMN.1986.0340517.
3. Bazin, B., E. Brosse, and F. Sommer, 1997a, Chemistry of oilfield brines in relation to diagenesis of reservoirs: 1. Use of mineral stability fields to reconstruct in situ water composition. Example of the Mahakam Basin: Marine and Petroleum Geology, v. 14, p. 481-495, doi:10.1016/S0264-8172(97)00004-4.
4. Bazin, B., E. Brosse, and F. Sommer, 1997b, Chemistry of oilfield brines in relation to diagenesis of reservoirs: 2. Reconstruction of paleo-water composition for modeling illite diagenesis in the Greater Alwyn area (North Sea): Marine and Petroleum Geology, v. 14, p. 497-511, doi: 10.1016/S0264- 8172(97)00005-6.
5. Berger, G., J. C. Lacharpagne, B. Velde, D. Beaufort, and B. Lanson, 1997, Kinetic constraints on illitization reactions and the effects of organic diagenesis in sandstone/ shale sequences: Applied Geochemistry, v. 12, p. 23-35, doi:10.1016/S0883-2927(96)00051-0.
6. Bethke, C. M., 1996, Geochemical reaction modeling-Concepts and applications: New York, Oxford University Press, 397 p.
7. Bjørkum, P. A., and N. Gjelsvik, 1988, An isochemical model for formation of authigenic kaolinite, K-feldspar and illite in sediments: Journal of Sedimentary Petrology, v. 58, p. 506-511.
8. Bjørlykke, K., 1998, Clay mineral diagenesis in sedimentary basins-A key to the prediction of rock properties. Examples from the North Sea Basin: Clay Minerals, v. 33, p. 15-34, doi: 10.1180/000985598545390.
9. Bjørlykke, K., P. Aagaard, H. Dypvik, D. S. Hastings, and A. S. Harper, 1986, Diagenesis and reservoir properties of Jurassic sandstones from the Haltenbanken area, offshore mid Norway, in A. M. Spencer, ed., Petroleum geology of the Northern European margin: Norwegian Petroleum Society, London, Graham and Trotman, p. 285-292.
10. Bjørlykke, K., T. Nedkvitne, M. Ramm, and G. C. Saigal, 1992, Diagenetic processes in the Brent group, in A. C. Morton, R. S. Haszeldine, M. R. Giles, and S. Brown, eds., Geology of the Brent Group: Geological Society (London) Special Publication 61, p. 263-288.
11. Bjørlykke, K., P. Aagaard, P. K. Egeberg, and S. P. Simmons, 1995, Geochemical constraints from formation water analyses from the North Sea and the Gulf Coast basins on quartz, feldspar and illite precipitation in reservoir rocks, in J. M. Cubitt and W. A. England, eds., The geochemistry of reservoirs: Geological Society (London) Special Publication 86, p. 33-50.
12. Blum, A. E., and L. L. Stillings, 1995, Feldspar dissolution kinetics, in A. F. White and S. L. Brandey, eds., Chemical weathering rates of silicate minerals, v. 31, p. 291-346.
13. Bonnell, L. M., C.J. Lowrey, and A. A. Bray, 1999, The timing of unitization, Haltenbanken, mid-Norway (abs.): AAPG Annual Meeting Program with Abstracts, v. 8, p. A14.
14. Bove, D. J., D. D. Eberl, D. K. McCarty, and G. P. Meeker, 2002, Characterization and modeling of illite crystal particles and growth mechanisms in a zoned hydrothermal deposit, Lake City, Colorado: American Mineralogist, v. 87, p. 1546-1556.
15. Brosse, E., J. Matthews, B. Baxin, Y. Le Gallo, and F. Sommer, 2000, Related quartz and illite cementation in the Brent sandstones: A modeling approach, in R. H. Worden and S. Morad, eds., Quartz cementation in sandstones: International Association of Sedimentologists Special Publication 29, p. 51-66.
16. Canals, M., and J. D. Meunier, 1995, A model for porosity reduction in quartzite reservoirs by quartz cementation: Geochimica et Cosmochimica Acta, v. 59, p. 699-709, doi:10.1016/0016-7037(94)00355-P.
17. Cendón, D. I., C. Ayora, J. J. Pueyo, and C. Taberner, 2003, The geochemical evolution of the Catalan potash sub-basin, South Pyrenean foreland basin (Spain): Chemical Geology, v. 200, p. 339-357, doi:10.1016/S0009-2541(03) 00195-5.
18. Chermak, J. A., and J. D. Rimstidt, 1990, The hydrothermal transformation of kaolinite to muscovite/illite: Geochimica et Cosmochimica Acta, v. 54, p. 2979-2990, doi: 10.1016/0016-7037(90)90115-2.
19. Chuhan, F. A., K. Bjorlykke, and C. Lowrey, 2000, The role of provenance in illitization of deeply buried reservoir sandstones from Haltenbanken and north Viking Graben, offshore Norway: Marine and Petroleum Geology, v. 17, p. 673-689.
20. Chuhan, F. A., K. Bjorlykke, and C. J. Lowrey, 2001, Closed-system burial diagenesis in reservoir sandstones: Examples from the Garn Formation at Haltenbanken area, offshore mid-Norway: Journal of Sedimentary Research, v. 71, p. 15-26, doi: 10.1306/041100710015.
21. Clauer, N., and S. Chaudhuri, 1995, Clays in crustal environment: Isotope dating and tracing: Heidelberg, Springer, 359 p.
22. Clauer, N., J. D. Cocker, and S. Chaudhuri, 1992, Isotopic dating of diagenetic illites in reservoir sandstones: Influence of the investigator effect: SEPM (Society for Sedimentary Geology), v. 47, p. 5-12.
23. Clauer, N., N. Liewig, B. Ledesert, and H. Zwingmann, 2008, Thermal history of Triassic sandstones from the Vosges Mountains-Rhine Graben rifting area, NE France, based on K-Ar illite dating: Clay Minerals, v. 43, p. 363-379, doi:l0.1180/claymin.2008.043.3.03.
24. Cocker, J. D., 1986, Authigenic illite morphology: Appearances can be deceiving: AAPG Bulletin, v. 70, p. 575.
25. Deer, W. A., R. A. Howie, and J. Zussman, 1966, Introduction to the rock-forming minerals: London, Longman, 528 p.
26. De Ros, L. F., 1998, Heterogeneous generation and evolution of diagenetic quartarenites in the Silurian-Devonian Furnas Formation of the Parana Basin, southern Brazil: Sedimentary Geology, v. 116, p. 99-129, doi: 10.1016 /S003 7-0738(97)00081-X.
27. Eberl, D. D., V. A. Drits, and J. Środoń, 1998, Deducing growth mechanisms for minerals from the shapes of crystal size distributions: American Journal of Science, v. 298, p. 499-533.
28. Egeberg, P. K., and P. Aagaard, 1989, Origin and evolution of formation waters from oil fields on the Norwegian Shelf: Applied Geochemistry, v. 4, p. 131-142, doi:10.1016/0883-2927(89)90044-9.
29. Ehrenberg, S. N., and P. H. Nadeau, 1989, Formation of diagenetic illite in sandstones of the Garn Formation, Haltenbanken area, mid-Norwegian Continental Shelf: Clay Minerals, v. 24, p. 233-253, doi:10.1180/claymin.l989. 024.2.09.
30. Folk, R. L., 1980, Petrology of sedimentary rocks: Austin, Texas, Hemphill Publishing Company, 184 p.
31. Franks, S. G., and H. Zwingmann, 2010, Origin and timing of late diagenetic illite in the Permian-Carboniferous Unayzah sandstone reservoirs of Saudi Arabia: AAPG Bulletin, v. 94, p. 1133-1159, doi:10.1306/04211009142.
32. Gaupp, R., A. Matter, J. Piatt, K. Ramseyer, and J. Walzebuck, 1993, Diagenesis and fluid evolution of deeply buried Permian (Rotliegende) gas reservoirs, northwest Germany: AAPG Bulletin, v. 77, p. 1111-1128.
33. Girard, J. P., I. A. Munz, H. Johansen, J. C. Lacharpagne, and F. Sommer, 2002, Diagenesis of the Hild Brent sandstones, northern North Sea: Isotopic evidence for the prevailing influence of deep basinal water: Journal of Sedimentary Research, v. 72, p. 746-759, doi: 10.1306/040102720746.
34. Glasmann, J. R., 1992, The fate of feldspar in Brent Group reservoirs, North Sea: A regional synthesis of diagenesis in shallow, intermediate, and deep burial environments, in A. C. Morton, R. S. Haszeldine, M. R. Giles, and S. Brown, eds., Geology of the Brent Group: Geological Society (London) Special Publication 61, p. 329-350.
35. Glasmann, J. R., P. D. Lundegard, R. A. Clark, B. K. Penny, and I. D. Collins, 1989, Geochemical evidence for the history of diagenesis and fluid migration: Brent sandstone, Heather field, North Sea: Clay Minerals, v. 24, p. 255-284, doi: 10.1180/claymin.1989.024.2.10.
36. Giiven, N., 2001, Mica structure and fibrous growth of illite: Clays and Clay Minerals, v. 49, p. 189-196, doi: 10.1346/CCMN.2001.0490301.
37. Güven, N., W. F. Hower, and D. K. Davies, 1980, Nature of authigenic illites in sandstone reservoirs: Journal of Sedimentary Petrology, v. 50, p. 761-766.
38. Hamilton, P. J., S. Kelley, and A. E. Fallick, 1989, K-Ar dating of illite in hydrocarbon reservoirs: Clay Minerals, v. 24, p. 215-232, doi:10.1180/claymin.l989.024.2.08.
39. Hamilton, P. J., M. R. Giles, and P. Ainsworth, 1992, K-Ar dating of illites in Brent Group reservoirs: A regional perspective, in A. Morton, R. Haszeldine, M. Giles, and S. Brown, eds., Geology of the Brent Group: Geological Society (London) Special Publication 61, p. 377-400.
40. Hunziker, J. C, 1986, The evolution of illite to muscovite: An example of the behavior of isotopes in low-grade metamorphic terrains: Chemical Geology, v. 57, p. 31-40, doi: 10.1016/0009-2541(86)90092-6.
41. Hutcheon, I., M. Shevalier, and H. J. Abercrombie, 1993, pH buffering by metastable mineral-fluid equilibria and evolution of carbon dioxide fugacity during burial diagenesis: Geochimica et Cosmochimica Acta, v. 54, p. 1017-1027, doi:10.1016/0016-7037(93)90037-W.
42. Bonnell, L. M., C.J. Lowrey, and A. A. Bray, 1999, The timing of unitization, Haltenbanken, mid-Norway (abs.): AAPG Annual Meeting Program with Abstracts, v. 8, p. A14.
43. Bove, D. J., D. D. Eberl, D. K. McCarty, and G. P. Meeker, 2002, Characterization and modeling of illite crystal particles and growth mechanisms in a zoned hydrothermal deposit, Lake City, Colorado: American Mineralogist, v. 87, p. 1546-1556.
44. Brosse, E., J. Matthews, B. Baxin, Y. Le Gallo, and F. Sommer, 2000, Related quartz and illite cementation in the Brent sandstones: A modeling approach, in R. H. Worden and S. Morad, eds., Quartz cementation in sandstones: International Association of Sedimentologists Special Publication 29, p. 51-66.
45. Canals, M., and J. D. Meunier, 1995, A model for porosity reduction in quartzite reservoirs by quartz cementation: Geochimica et Cosmochimica Acta, v. 59, p. 699-709, doi:10.1016/0016-7037(94)00355-P.
46. Cendón, D. I., C. Ayora, J. J. Pueyo, and C. Taberner, 2003, The geochemical evolution of the Catalan potash sub-basin, South Pyrenean foreland basin (Spain): Chemical Geology, v. 200, p. 339-357, doi:10.1016/S0009-2541(03) 00195-5.
47. Chermak, J. A., and J. D. Rimstidt, 1990, The hydrothermal transformation of kaolinite to muscovite/illite: Geochimica et Cosmochimica Acta, v. 54, p. 2979-2990, doi: 10.1016/0016-7037(90)90115-2.
48. Chuhan, F. A., K. Bjorlykke, and C. Lowrey, 2000, The role of provenance in illitization of deeply buried reservoir sandstones from Haltenbanken and north Viking Graben, offshore Norway: Marine and Petroleum Geology, v. 17, p. 673-689.
49. Chuhan, F. A., K. Bjorlykke, and C. J. Lowrey, 2001, Closed-system burial diagenesis in reservoir sandstones: Examples from the Garn Formation at Haltenbanken area, offshore mid-Norway: Journal of Sedimentary Research, v. 71, p. 15-26, doi: 10.1306/041100710015.
50. Clauer, N., and S. Chaudhuri, 1995, Clays in crustal environment: Isotope dating and tracing: Heidelberg, Springer, 359 p.
51. Clauer, N., J. D. Cocker, and S. Chaudhuri, 1992, Isotopic dating of diagenetic illites in reservoir sandstones: Influence of the investigator effect: SEPM (Society for Sedimentary Geology), v. 47, p. 5-12.
52. Clauer, N., N. Liewig, B. Ledesert, and H. Zwingmann, 2008, Thermal history of Triassic sandstones from the Vosges Mountains-Rhine Graben rifting area, NE France, based on K-Ar illite dating: Clay Minerals, v. 43, p. 363-379, doi:l0.1180/claymin.2008.043.3.03.
53. Cocker, J. D., 1986, Authigenic illite morphology: Appearances can be deceiving: AAPG Bulletin, v. 70, p. 575.
54. Deer, W. A., R. A. Howie, and J. Zussman, 1966, Introduction to the rock-forming minerals: London, Longman, 528 p.
55. De Ros, L. F., 1998, Heterogeneous generation and evolution of diagenetic quartarenites in the Silurian-Devonian Furnas Formation of the Parana Basin, southern Brazil: Sedimentary Geology, v. 116, p. 99-129, doi: 10.1016 /S003 7-0738(97)00081-X.
56. Eberl, D. D., V. A. Drits, and J. Środoń, 1998, Deducing growth mechanisms for minerals from the shapes of crystal size distributions: American Journal of Science, v. 298, p. 499-533.
57. Egeberg, P. K., and P. Aagaard, 1989, Origin and evolution of formation waters from oil fields on the Norwegian Shelf: Applied Geochemistry, v. 4, p. 131-142, doi:10.1016/0883-2927(89)90044-9.
58. Ehrenberg, S. N., and P. H. Nadeau, 1989, Formation of diagenetic illite in sandstones of the Garn Formation, Haltenbanken area, mid-Norwegian Continental Shelf: Clay Minerals, v. 24, p. 233-253, doi:10.1180/claymin.l989. 024.2.09.
59. Folk, R. L., 1980, Petrology of sedimentary rocks: Austin, Texas, Hemphill Publishing Company, 184 p.
60. Franks, S. G., and H. Zwingmann, 2010, Origin and timing of late diagenetic illite in the Permian-Carboniferous Unayzah sandstone reservoirs of Saudi Arabia: AAPG Bulletin, v. 94, p. 1133-1159, doi:10.1306/04211009142.
61. Gaupp, R., A. Matter, J. Piatt, K. Ramseyer, and J. Walzebuck, 1993, Diagenesis and fluid evolution of deeply buried Permian (Rotliegende) gas reservoirs, northwest Germany: AAPG Bulletin, v. 77, p. 1111-1128.
62. Girard, J. P., I. A. Munz, H. Johansen, J. C. Lacharpagne, and F. Sommer, 2002, Diagenesis of the Hild Brent sandstones, northern North Sea: Isotopic evidence for the prevailing influence of deep basinal water: Journal of Sedimentary Research, v. 72, p. 746-759, doi: 10.1306/040102720746.
63. Glasmann, J. R., 1992, The fate of feldspar in Brent Group reservoirs, North Sea: A regional synthesis of diagenesis in shallow, intermediate, and deep burial environments, in A. C. Morton, R. S. Haszeldine, M. R. Giles, and S. Brown, eds., Geology of the Brent Group: Geological Society (London) Special Publication 61, p. 329-350.
64. Glasmann, J. R., P. D. Lundegard, R. A. Clark, B. K. Penny, and I. D. Collins, 1989, Geochemical evidence for the history of diagenesis and fluid migration: Brent sandstone, Heather field, North Sea: Clay Minerals, v. 24, p. 255-284, doi: 10.1180/claymin.1989.024.2.10.
65. Giiven, N., 2001, Mica structure and fibrous growth of illite: Clays and Clay Minerals, v. 49, p. 189-196, doi: 10.1346/CCMN.2001.0490301.
66. Güven, N., W. F. Hower, and D. K. Davies, 1980, Nature of authigenic illites in sandstone reservoirs: Journal of Sedimentary Petrology, v. 50, p. 761-766.
67. Hamilton, P. J., S. Kelley, and A. E. Fallick, 1989, K-Ar dating of illite in hydrocarbon reservoirs: Clay Minerals, v. 24, p. 215-232, doi:10.1180/claymin.l989.024.2.08.
68. Hamilton, P. J., M. R. Giles, and P. Ainsworth, 1992, K-Ar dating of illites in Brent Group reservoirs: A regional perspective, in A. Morton, R. Haszeldine, M. Giles, and S. Brown, eds., Geology of the Brent Group: Geological Society (London) Special Publication 61, p. 377-400.
69. Hunziker, J. C, 1986, The evolution of illite to muscovite: An example of the behavior of isotopes in low-grade metamorphic terrains: Chemical Geology, v. 57, p. 31-40, doi: 10.1016/0009-2541(86)90092-6.
70. Hutcheon, I., M. Shevalier, and H. J. Abercrombie, 1993, pH buffering by metastable mineral-fluid equilibria and evolution of carbon dioxide fugacity during burial diagenesis: Geochimica et Cosmochimica Acta, v. 54, p. 1017-1027, doi:10.1016/0016-7037(93)90037-W.
71. Oelkers, E. H., P. A. Bjorkum, O. Walderhaug, N. H. Nadeau, and W. M. Murphy, 2000, Making diagenesis obey thermodynamics and kinetics: The case of quartz cementation in sandstones from offshore mid-Norway: Applied Geochemistry, v. 15, p. 295-309, doi:10.1016/S0883-2927(99)00047-5.
72. Palandri, J. L., and M. H. Reed, 2001, Reconstruction of in situ composition of sedimentary formation waters: Geochimica et Cosmochimica Acta, v. 65, p. 1741-1767, doi:10.1016/S0016-7037(01)00555-5.
73. Pallatt, N. M., M. J. Wilson, and W. J. McHardy, 1984, The relationship between permeability and the morphology of diagenetic illite in reservoir rocks: Journal of Petroleum Technology, v. 36, p. 2225-2227.
74. Panda, M. N., and L. W. Lake, 1995, A physical model of cementation and its effects on single-phase permeability: AAPG Bulletin, v. 79, p. 431-443.
75. Pevear, D. R., 1999, Illite and hydrocarbon exploration: Proceedings of the National Academy of Science, U.S.A., v. 96, p. 3440-3446.
76. Ramm, M., and A. E. Ryseth, 1996, Reservoir quality and burial diagenesis in the Statfjord Formation, North Sea: Petroleum Geoscience, v. 2, p. 313-324.
77. Robinson, A. G., M. L. Coleman, and J. G. Gluyas, 1993, The age of illite cement growth, Village fields area, southern North Sea: Evidence from K-Ar ages and 180/I60 ratios: AAPG Bulletin, v. 77, p. 68-80.
78. Rossel, N. C, 1982, Clay mineral diagenesis in Rotliegend eolian sandstones of the southern North Sea: Clay Minerals, v. 17, p. 69-77, doi:10.1180/claymin.l982.017.1.07.
79. Środoń, J., and D. D. Eberl, 1984, Illite, in S. W. Bailey, ed., Micas: Reviews in Mineralogy, v. 13, p. 495-544.
80. Środoń, J., D. D. Eberl, and V. A. Drits, 2000, Evolution of fundamental-particle size during illitization of smectite and implications for reaction mechanism: Clays and Clay Minerals, v. 48, p. 446-458, doi:10.1346/CCMN.2000.0480405.
81. Środoń, J., N. Clauer, and D. D. Eberl, 2002, Interpretation of K-Ar dates of illitic clays from sedimentary rocks aided by modeling: American Mineralogist, v. 87, p. 1528-1535.
82. Stalder, P. J., 1973, Influence of crystallographic habit and aggregate structure of authigenic clay minerals on sandstone permeability: Geologie en Mijnbouw, v. 53, p. 217-220.
83. Steiger, R. H., and E. Jager, 1977, Subcommission on Geo-chronology: Convention on the use on decay constants in geo-and cosmochronology: Earth and Planetary Science Letters, v. 36, p. 359-362, doi:10.1016/0012-821X(77)90060-7.
84. Stroker, T., and N. Harris, 2009, K-Ar dating of authigenic illites: Integrating diagenetic history of the Mesa Verde Group, Piceance Basin, NW Colorado (abs.): AAPG Annual Meeting Abstracts, v. 18, p. 206.
85. Szczerba, M., and J. Środoń, 2009, Extraction of diagenetic and detrital ages of the 40Kdetrital/40Kdiagenetic ratio from K-Ar dates of clay fractions: Clays and Clay Minerals, v. 57, p. 93-103, doi:10.1346/CCMN. 2009.0570109.
86. Thyne, G., B. P. Boudreau, M. Ramm, and R. E. Midtbo, 2001, Simulation of potassium feldspar dissolution and illitization in the Statfjord Formation, North Sea: AAPG Bulletin, v. 85, p. 621-635.
87. Walderhaug, O., 1994, Precipitation rates for quartz cement in sandstones determined by fluid-inclusion microther-mometry and temperature-history modeling: Journal of Sedimentary Research, v. A64, p. 324-333.
88. Walderhaug, O., 1996, Kinetic modeling of quartz cementation and porosity loss in deeply buried sandstone reservoirs: AAPG Bulletin, v. 80, p. 731-745.
89. Walderhaug, O., 2000, Modeling quartz cementation and porosity loss in Middle Jurassic Brent Group sandstones of the Kvitebjorn field, northern North Sea: AAPG Bulletin, v. 84, p. 1325-1339.
90. Walderhaug, O., and P. A. Bjorkum, 1998, Calcite cement in shallow marine sandstones: growth mechanisms and geometry, in S. Morad, ed., Carbonate cementation in sandstones: Distribution patterns and geochemical evolution: International Association of Sedimentologists Special Publication 26, p. 179-192.
91. White, A. F., and S. L. Brandey, 2003, The effect of time on the weathering of silicate minerals: Why do weathering rates in the laboratory and field?: Chemical Geology, v. 202, p.479-506, doi:10.1016/j.chemgeo.2003.03.001.
92. Wilkinson, M., and R. S. Haszeldine, 2002a, Fibrous illite in oilfield sandstones-A nucleation kinetic theory of growth: Terra Nova, v. 14, p. 56-60, doi:10.1046/j.l365-3121.2002.00388.x.
93. Wilkinson, M., and R. S. Haszeldine, 2002b, Problems with argon: K-Ar ages in Gulf Coast shales: Chemical Geology, v. 191, p. 277-283, doi:10.1016/S0009-2541(02)00145-6.
94. Worden, R. H., and S. Morad, 2000, Quartz cementation in oil field sandstones: A review of the key controversies, in R. H. Worden and S. Morad, eds., Quartz cementation in sandstones: International Association of Sedimentologists Special Publication 29, p. 1-20.
95. Ylagan, R. F., D. R. Pevear, and P. J. Vrolijk, 2000, Discussion of "Extracting K-Ar ages from shales: A theoretical test": Clay Minerals, v. 35, p. 599-604, doi:10.1180/000985500546918.
96. Zhu, C, 2005, In situ feldspar dissolution rates in an aquifer: Geochimica et Cosmochimica Acta, v. 69, p. 1435-1453, doi:10.1016/j.gca.2004.09. 005.
97. Zwingmann, H., N. Clauer, and R. Gaupp, 1998, Timing of fluid flow in a sandstone reservoir of the North German Rodiegend (Permian) by K-Ar dating of related hydro-thermal illite, in J. Parnell, ed., Dating and duration of fluid flow and fluid-rock interaction: Geological Society (London) Special Publication 144, p. 91-106.
98. Zwingmann, H., N. Clauer, and R. Gaupp, 1999, Structure-related geochemical (REE) and isotopic (K-Ar, Rb-Sr, δ18O) characteristics of clay minerals from Rotliegend sandstone reservoirs (Permian, northern Germany): Geochimica et Cosmochimica Acta, v. 63, p. 2805-2823, doi: 10.1016/S0016- 7037(99)00198-2.