Minerals are not just chemical compounds

Canadian Mineralogist

Volumn 43, Issue 6, 2005, Pages 1959-1992

  Parsons, Ian ^a   Lee, Martin R ^b  

^a UNIVERSITY OF EDINBURGH   (United Kingdom)

^b UNIVERSITY OF GLASGOW   (United Kingdom)

Author keywords

Alkali feldspar; Diagenesis; Dislocations; Dissolution; Dissolution reprecipitation; Exsolution; Gem quality minerals; Mineral microtexture; Replacement; Weathering

Indexed keywords

ALKALI FELDSPAR; DISSOLUTION-REPRECIPITATION; EXSOLUTION; GEM-QUALITY MINERALS; MINERAL MICROTEXTURE;

CRYSTALLOGRAPHY; DISLOCATIONS (CRYSTALS); DISSOLUTION; FELDSPAR; GEMS; WEATHERING;

MINERALOGY;

CRYSTALLOGRAPHY; DIAGENESIS; DISLOCATION; DISSOLUTION; ORTHOCLASE; SANIDINE; TEXTURE; WEATHERING;

EID: 33645816330     PISSN: 00084476     EISSN: None     Source Type: Journal    
DOI: 10.2113/gscanmin.43.6.1959     Document Type: Conference Paper

References (125)

1. Althaus, E. & Tirtadinata, E. (1989): Dissolution of feldspar: the first step. In Water-Rock Interaction (D.L. Miles, ed). Balkema, Rotterdam, The Netherlands.
2. 39Ar geochronology. Geochim. Cosmochim. Acta 61, 3227-3255.
3. Bachinski, S.W. & Müller, G. (1971): Experimental determinations of the microcline - low albite solvus. J. Petrol. 12, 329-356.
4. Bank, H. (1967): Hellbrauner klar durchsichtiger Alkalifeldspat von Volkesfeld/Eifel. Z. Dtsch. Ges. f. Edelsteinkunde 61, 50-53.
5. Beran, A. (1986): A model of water allocation in alkali feldspar, derived from infrared-spectroscopic investigations. Phys. Chem. Minerals 13, 306-310.
6. Berner, R.A. & Holdren, G.R. (1977): Mechanism of feldspar weathering: some observational evidence. Geology 5, 369-372.
7. Berner, R.A. & Holdren, G.R. (1979): Mechanism of feldspar weathering. II. Observations of feldspars from soils. Geochim. Cosmochim. Acta 43, 1173-1186.
8. Bernotat-Wulf, H., Bertelmann, D. & Wondratschek, H. (1988): The annealing behaviour of Eifel sanidine (Volkesfeld). III. The influence of the sample surface and sample size on the order-disorder transformation rate. Neues Jahrb. Mineral., Monatsh., 504-515.
9. Bertelmann, D., Förtsch, E. & Wondratschek, H. (1985): Zum Temperverhalten von Sanidinen: die Ausnahmerolle der Eifelsanidin-Megacrystal. Neues Jahrb. Mineral., Abh. 152, 123-141.
10. Bertelmann, D., Walther, J. & Wondratschek, H. (1987): Annealing-induced inclusions and transformation behaviour of Eifel sanidines. Terra Cognita 7, 257-258.
11. Blum, A.E. (1994): Feldspars in weathering. In Feldspars and their Reactions (I. Parsons, ed.). NATO Adv. Study Inst., Ser. C, 421. Kluwer Academic Publishers, Dordrecht, The Netherlands.
12. Blum, A.E. & Lasaga, A.C. (1987): Monte Carlo simulations of surface reaction rate laws. In Aquatic Surface Chemistry: Processes at the Particle - Water Interface (W. Stumm, ed.). J. Wiley & Sons, New York, N.Y. (255-292).
13. Brown, W.L., Becker, S.M. & Parsons, I. (1983): Cryptoperthites and cooling rate in a layered syenite pluton: a chemical and TEM study. Contrib. Mineral. Petrol. 82, 13-25.
14. Brown, W.L. & Parsons, I. (1984a): Exsolution and coarsening mechanisms and kinetics in an ordered cryptoperthite series. Contrib. Mineral. Petrol. 86, 3-18.
15. Brown, W.L. & Parsons, I. (1984b): The nature of potassium feldspar, exsolution microtextures and development of dislocations as a function of composition in perthitic alkali feldspars. Contrib. Mineral. Petrol. 86, 335-341.
16. Brown, W.L. & Parsons, I. (1989): Alkali feldspars: ordering rates, phase transformations and behaviour diagrams for igneous rocks. Mineral. Mag. 53, 25-42.
17. Brown, W.L. & Parsons, I. (1993): Storage and release of elastic strain energy: the driving force for low temperature reactivity and alteration of alkali feldspars. In Defects and Processes in the Solid State: Geoscience Applications: the McLaren Volume (J.N. Boland & J. Fitz Gerald, eds.). Elsevier, Amsterdam, The Netherlands (267-290).
18. Carpenter, M.A. & Salje, E.K.H. (1994): Thermodynamics of nonconvergent cation ordering in minerals. III. Order-parameter coupling in potassium feldspar. Am. Mineral. 79, 1084-1098.
19. Cayzer, N. (2002): Feldspar Microtextures and the Cooling Histories of High-Grade Terrains. Ph.D. thesis, University of Edinburgh, Edinburgh, UK.
20. Černy, P. (1994): Evolution of feldspars in granitic pegmatites. In Feldspars and their Reactions (I. Parsons, ed.). NATO Adv. Study Inst., Ser. C, 421. Kluwer Academic Publishers, Dordrecht, The Netherlands.
21. Coombs, D.S. (1954): Ferriferous orthoclase from Madagascar. Mineral. Mag. 30, 409-427.
22. Doremus, R.H. (1998): Comment on "Stationary and mobile hydrogen defects in potassium feldspar" by A.K. Kronenberg, R.A. Yund & G.R. Rossman. Geochim. Cosmochim. Acta 62, 377-378.
23. Eggleton, R.A. & Buseck, P.R. (1980a): The orthoclase - microcline inversion: a high-resolution transmission electron microscope study and strain analysis. Contrib. Mineral. Petrol. 74, 123-133.
24. Eggleton, R.A. & Buseck, P.R. (1980b): High resolution electron microscopy of feldspar weathering. Clays Clay Minerals 28, 173-178.
25. Evangelakakis, C., Kroll, H., Voll, G., Wenk, H., Meisheng, H. & Kopcke, J. (1993): Low temperature coherent exsolution in alkali feldspars from high-grade metamorphic rocks of Sri Lanka. Contrib. Mineral. Petrol. 114, 519-532.
26. Fenter, P., Teng, H., Geissbühler, P., Hanchar, J.M., Nagy, K. & Sturchio, N.C. (2000): Atomic-scale structure of the orthoclase (001) - water interface measured with high-resolution X-ray reflectivity. Geochim. Cosmochim. Acta 64, 3663-3673.
27. Fitz Gerald, J.D. & McLaren, A.C. (1982): The microstructures of microcline from some granitic rocks and pegmatites. Contrib. Mineral. Petrol. 80, 219-229.
28. Fitz Gerald, J.D., Parsons, I. & Cayzer, N. (2006): Nano-tunnels and pull-aparts: defects of exsolution lamellae in alkali feldspars. Am. Mineral. 91 (in press).
29. 40Ar diffusion in homogeneous orthoclase and an interpretation of Ar diffusion in K-feldspar. Geochim. Cosmochim. Acta 38, 151-166.
30. Foland, K.A. (1994): Argon diffusion in feldspars. In Feldspars and their Reactions (I. Parsons, ed.). NATO Adv. Study Inst., Ser. C, 421. Kluwer Academic Publishers, Dordrecht, The Netherlands.
31. 39Ar in irradiated orthoclase. Geochim. Cosmochim. Acta 54, 3147-3158.
32. Gering, E. (1985): Silizium/Aluminium-Ordnung und Kristall-perfektion von Sanidinen. Dissertation, Universität Karlsruhe, Karlsruhe, Germany.
33. Giggenbach, W.F. (1988): Geothermal solute equilibria. Derivation of Na-K-Mg-Ca geoindicator. Geochim. Cosmochim. Acta 52, 2729-2765
34. Ginibre, C., Wörner, G. & Kronz, A. (2004): Structure and dynamics of the Laacher See magma chamber (Eifel, Germany) from major and trace element zoning in sanidine: a cathodoluminescence and electron microprobe study. J. Petrol. 45, 2197-2224.
35. 8 at high pressures: the effect of hydrogen. J. Geol. 96, 109-124.
36. Graham, C.M. & Elphick, S.C. (1990): A re-examination of the role of hydrogen in Al-Si interdiffusion in feldspars. Contrib. Mineral. Petrol. 104, 481-491.
37. Green, H.W. & Jung, H. (2005): Fluids, faulting and flow. Elements 1, 31-37.
38. Green, P.F. (1986): On the thermotectonic evolution of northern England: evidence from fission track analysis. Geol. Mag. 123, 493-506.
39. Harris, M.J., Salje, E.K.H., Güttler, B.K. & Carpenter, M.A. (1989): Structural states of natural potassium feldspar. Phys. Chem. Minerals 16, 649-658.
40. Heinemann, S., Wirth, R. & Dresen, G. (2001): Synthesis of feldspar bicrystals by direct bonding. Phys. Chem. Minerals 28, 685-692.
41. Hochella, M.F., Jr. & Banfield, J.F. (1995): Chemical wethering in silicates in nature: a microscopic perspective with theoretical considerations. In Chemical Weathering Rates of Silicate Minerals (A.F. White & S.L. Brantley, eds.). Rev. Mineral. 31, 353-406.
42. Hodson, M.E. (1998): Micropore surface area variation with grain size in unweathered alkali feldspars. Geochim. Cosmochim. Acta 62, 3429-3435.
43. Hodson, M.E., Lee, M.R. & Parsons, I. (1997): Origins of the surface roughness of unweathered alkali feldspar grains. Geochim. Cosmochim. Acta 61, 3885-3896.
44. Hofmeister, A.M. & Rossman, G.R. (1985): A model for the irradiative coloration of smokey feldspar and the inhibiting influence of water. Phys. Chem. Minerals 12, 324-332.
45. Holdren, G.R., Jr. & Berner, R.A. (1979): Mechanism of feldspar weathering. I. Experimental studies. Geochim. Cosmochim. Acta 43, 1161-1171.
46. Holdren, G.R., Jr. & Speyer, P.M. (1985): Reaction rate-surface area relationships during the early stages of weathering. I. Initial observations. Geochim. Cosmochim. Acta 49, 675-681.
47. Holdren, G.R., Jr. & Speyer, P.M. (1987): Reaction rate - surface area relationships during the early stages of weathering. II. Data on eight additional feldspars. Geochim. Cosmochim. Acta 51, 2311-2318.
48. Hovis, G.L. (1988): Enthalpies and volumes related to K-Na mixing and Al-Si order/disorder in alkali feldspars. J. Petrol. 29, 731-763.
49. Hütt, G., Jungner, H., Kujansuu, R. & Saarnisto, M. (1993): OSL and TL dating of buried podsols and overlying sands in Ostrobothnia, western Finland. J. Quaternary Sci. 8, 125-132.
50. Iiyama, J.T. (1965): Influence des anions sur les équilibres d'échange d'ions Na-K dans les feldspaths alcalins à 600°C sous une pression de 1000 bars. Bull. Soc. fr. Minéral. Cristallogr. 88, 618-622.
51. Kastner, M. (1971): Authigenic feldspars in carbonate rocks. Am. Mineral. 56, 1403-1440.
52. Kastner, M. & Siever, R. (1979): Low temperature feldspars in sedimentary rocks. Am. J. Sci. 279, 435-479.
53. Kimata, M., Saito, S., Shimizu, Iida, I. & Tomoaki, M. (1996): Low-temperature crystal structures of orthoclase and sanidine. Neues Jahrb. Mineral., Abh. 171, 199-213.
54. Klein, J., Behrens, H., Göttlicher, J., Hafner, S.S. & Pentinghaus, H. (1996): An experimental study on incorporation of iron in alkali feldspar. Terra Nova (Abstr. Suppl.) 1, 34-35.
55. Kovacs, M.P. & Gandais, M. (1980): Transmission electron microscope study of experimentally deformed K-feldspar single crystals. Phys. Chem. Minerals 6, 61-76.
56. Kroll, H. & Knitter, R. (1991): Al, Si exchange kinetics in sanidine and anorthoclase and modeling of rock cooling paths. Am. Mineral. 76, 928-941.
57. Kronenberg, A.K., Yund, R.A. & Rossman, G.R. (1996): Stationary and mobile hydrogen defects in potassium feldspar. Geochim. Cosmochim. Acta 60, 4075-4094.
58. Kronenberg, A.K., Yund, R.A. & Rossman, G.R. (1998): Reply to the comment by Robert H. Doremus on "Stationary and mobile hydrogen defects in potassium feldspar". Geochim. Cosmochim. Acta 62, 379-382.
59. Lacroix, A. (1912): Note préliminaire sur quelques minéraux de Madagascar dont plusieurs peuvent être utilisés comme gemmes. C. R. Acad. Sci. Paris 155, 672-677.
60. Lagache, M. (1984): The exchange equilibrium distribution of alkali and alkaline-earth elements between feldspars and hydrothermal solutions. In Feldspars and Feldspathoids: Structure, Properties and Occurrences (W.L. Brown, ed.). NATO Adv. Study Inst., Ser. C 137. Reidel Publishing Co., Dordrecht, The Netherlands (247-279).
61. Lasaga, A.C. & Blum, A.E. (1986): Surface chemistry, etch pits and mineral-water interactions. Geochim. Cosmochim. Acta 50, 2363-2379.
62. Laves, F. (1960): The feldspars, their polysynthetic twinning and their phase relations. Rend. Soc. Mineral. Ital. 16, 37-100.
63. Lee, M.R., Hodson, M.E. & Parsons, I. (1998) The role of intragranular microtextures and microstructures in chemical and mechanical weathering: direct comparisons of experimentally and naturally weathered alkali feldspars. Geochim. Cosmochim. Acta 62, 2771-2788.
64. Lee, M.R. & Parsons, I. (1995): Microtextural controls of weathering of perthitic alkali feldspars. Geochim. Cosmochim. Acta 59, 4465-4488.
65. Lee, M.R. & Parsons, I. (1997a): Dislocation formation and albitization in alkali feldspars from the Shap granite. Am. Mineral. 82, 557-570.
66. Lee, M.R. & Parsons, I. (1997b): Compositional and microtextural zoning in alkali feldspars from the Shap granite and its geochemical implications. J. Geol. Soc. London 154, 183-188.
67. Lee, M.R. & Parsons, I. (1998) Microtextural controls of diagenetic alteration of detrital alkali feldspars: a case study of the Shap conglomerate (Lower Carboniferous), north-west England. J. Sed. Res. 68, 198-211.
68. Lee, M.R. & Parsons, I. (2003) Microtextures of authigenic Or-rich feldspar in the Upper Jurassic Humber Group, UK North Sea. Sedimentology 50, 597-608.
69. Lee, M.R., Thompson, P., Poeml, P. & Parsons, I. (2003): Peristeritic plagioclase in North Sea hydrocarbon reservoir rocks: implications for diagenesis, provenance and stratigraphic correlation. Am. Mineral. 88, 866-875.
70. Lee, M.R., Waldron, K.A. & Parsons, I. (1995): Exsolution and alteration microtextures in alkali feldspar phenocrysts from the Shap granite. Mineral. Mag. 59, 63-78.
71. Lehmann, G. (1984): Spectroscopy of feldspars. In Feldspars and Feldspathoids: Structure, Properties and Occurrences (W.L. Brown, ed.). NATO Adv. Study Inst., Ser. C 421. Reidel Publishing Co., Dordrecht, The Netherlands (121-162).
72. Lewis, C.L.E., Green, P.F., Carter, A. & Hurford, A.J. (1992): Elevated K/T palaeotemperatures throughout northwest England: three kilometres of Tertiary erosion? Earth Planet. Sci. Lett. 112, 131-145.
73. 8. Am. J. Sci. 255, 481-516.
74. Martin, R.F. (1969): The hydrothermal synthesis of low albite. Contrib. Mineral. Petrol. 23, 323-339.
75. McLaren, A.C. & Fitz Gerald, J.D. (1987): CBED and ALCHEMI investigation of local symmetry and Al, Si ordering in K-feldspars. Phys. Chem. Minerals 14, 281-292.
76. Milliken, K.L. (1989): Petrography and composition of authigenic feldspars, Oligocene Frio formation, south Texas. J. Sed. Petrol. 59, 361-374.
77. Müller, G. (197l): Der Einfluss der Al, Si-Yerteilung auf die Mischungslücke der Alkalifeldspäte. Contrib. Mineral. Petrol. 34, 73-79.
78. Murphy, W.M. (1989): Dislocations and feldspar dissolution. Eur. J. Mineral. 1, 315-326.
79. Nyfeler, D., Armbruster, T. & Villa, I.M. (1998): Si, Al, Fe order-disorder in Fe-bearing K-feldspar from Madagascar and its implications to Ar diffusion. Schweiz. Mineral. Petrogr. Mitt. 78, 11-21.
80. Orville, P.M. (1963): Alkali ion exchange between vapor and feldspar phases. Am. J. Sci. 261, 210-237.
81. Parsons, I. & Brown, W.L. (1984): Feldspars and the thermal history of igneous rocks. In Feldspars and Feldspathoids: Structure, Properties and Occurrences (W.L. Brown, ed.). NATO Adv. Study Inst., Ser. C 421. Reidel Publishing Co., Dordrecht, The Netherlands (317-371).
82. 39Ar thermochronology using alkali feldspars: real thermal history or mathematical mirage of microtexture? Contrib. Mineral. Petrol. 136, 92-110.
83. Parsons, I. & Lee, M.R. & Smith, J.V. (1998): Biochemical evolution. II. Origin of life in tubular microstructures on weathered feldspar surfaces. Proc. Nat. Acad. Sci. USA 95, 15173-15176.
84. Parsons, I., Rex, D.C., Guise, P. & Halliday, A.N. (1988): Argon-loss by alkali feldspars. Geochim. Cosmochim. Acta 52, 1097-1112.
85. Parsons, I., Thompson, P., Lee, M.R. & Cayzer, N. (2005): Alkali feldspar microtextures as provenance indicators in siliciclastic rocks and their role in feldspar dissolution during transport and diagenesis. J. Sed. Res. 75, 921-942.
86. Petrovic, R. (1976): Rate control in feldspar dissolution. II. The protective effect of precipitates. Geochim. Cosmochim. Acta 40, 1509-1521.
87. Priess, U. (1981): Untersuchungen zur Tief-Hoch-Umwandlung von Fe-haltingen Orthoklas-Kristallen aus Madagaskar. Neues Jahrb. Mineral., Abh. 141, 17-29.
88. Putnis, A. (2002): Mineral replacement reactions: from macroscopic observations to microscopic mechanisms. Mineral. Mag. 66, 689-708.
89. Scott, R.B., Bachinski, S.W., Nesbitt, R.W. & Scott, M.R. (1971): Rate of Al-Si ordering in sanidines from an ignimbrite cooling unit. Am. Mineral. 56, 1208-1221.
90. Smith, J.V., Arnold, F.P., Parsons, I. & Lee, M.R. (1999): Biochemical evolution. III. Polymerization on organophilic silica-rich surfaces; crystal chemical modeling; formation of the first cells; geological clues. Proc. Nat. Acad. Sci. USA 96, 3479-3485.
91. Smith, J.V. & Brown, W.L. (1988): Feldspar Minerals 1 (2nd ed). Springer-Verlag, Berlin, Germany.
92. Smith, J.V. & Mackenzie, W.S. (1958): Alkali feldspars. IV. The cooling history of high-temperature sodium-rich feldspars. Am. Mineral. 43, 872-889.
93. Snow, E. & Yund, R.A. (1988): Origin of cryptoperthites in the Bishop Tuff and their bearing in its thermal history. J. Geophys. Res. 93, 8975-8984.
94. Spooner, N.A. (1994): The anomalous fading of infrared-stimulated luminescence from feldspars. Radiation Measurements 23, 625-632.
95. Su, Shu-Chun, Ribbe, P.H. & Bloss, F.D. (1986): Alkali feldspars: structural state determined from composition and optic axial angle 2V. Am. Mineral. 71, 1285-1296.
96. Stewart, D.J. (1986): Diagenesis of the shallow marine Fulmar Formation of the central North Sea. Clay Minerals 21, 537-564.
97. Teertstra, D.K., Hawthorne, F.C. & Černý, P. (1998): Identification of normal and anomalous compositions of minerals by electron-microprobe analysis. Can. Mineral. 36, 87-95.
98. Teng, H.H., Fenter, P., Cheng, L. & Sturchio, N.C. (2001): Resolving orthoclase dissolution processes with atomic force microscopy and X-ray reflectivity. Geochim. Cosmochim. Acta 65, 3459-3474.
99. Thompson, J.B., Jr. (1969): Chemical reactions in crystals. Am. Mineral. 54, 341-375.
100. Velbel, M.A. (1989): Effect of chemical affinity on feldspar hydrolysis rates in two natural weathering systems. Chem. Geol. 78, 245-253.
101. Villa, I.M. (1996): The influence of irradiation and heating schedule on Ar diffusion in gem-quality orthoclase from Madagascar. J. Conf. Abstr: 1(1), 652.
102. Visocekas, R. & Zink, A. (1999): Use of the far infrared TL emission band of alkali feldspars for dosimetry and dating. Quaternary Sci. Rev. 18, 271-278.
103. Wadge, A.J., Gale, N.H., Beckinsale, R.D. & Rundle, C.C. (1978): A Rb-Sr isochron for the Shap granite. Proc. Yorkshire Geol. Soc. 42, 297-305.
104. Waldron, K.A., Lee, M.R. & Parsons, I. (1994): The microstructure of perthitic alkali feldspars revealed by hydrofluoric acid etching. Contrib. Mineral. Petrol. 116, 360-364.
105. 18O exchange. Mineral. Mag. 57, 687-695.
106. Walker, F.D.L., Parsons, I. & Brown, W.L. (1995): Micropores and micropermeable texture in alkali feldspars: geochemical and geophysical implications. Mineral. Mag. 59, 507-536.
107. Wartho, J.-A., Kelley, S.P., Brooker, R.A., Carroll, M.R., Villa, I.M. & Lee, M.R. (1999): Direct measurement of Ar diffusion profiles in a gem-quality Madagascar K-feldspar using the ultra-violet laser ablation microprobe (UVLAMP). Earth Planet. Sci. Lett. 170, 141-153.
108. Widder, W. (199l): Röntgentopographische Untersuchungen am Sanidin von Volkesfeld und Orthoklas von Madagaskar. Diplomarbeit an der Fakultät f_ur Physik, Universität Karlsruhe, Karlsruhe, Germany.
109. Widder, W, Wondratschek, H., Fehlmann, M. & Klapper, H. (1994): X-ray topographic study of Eifel sanidine (Volkesfeld). Z. Kristallogr. 209, 206-209.
110. Wilkinson, M., Darby, D., Haszeldine, R.S. & Couples, G.D. (1997): Secondary porosity generation during deep burial associated with overpressure leak-off. Fulmar Formation, United Kingdom Central Graben. Bull. Am. Assoc. Petrol. Geol. 81, 803-813.
111. Wilkinson, M. & Haszeldine, R.S. (1996): Aluminium loss during sandstone diagenesis. J. Geol. Soc. London 153, 657-660.
112. Willaime, C. & Brown, W.L. (1974): A coherent elastic model for the determination of the orientation of exsolution boundaries: application to the feldspars. Acta Crystallogr. A30, 316-331.
113. Willaime, C., Christie, J.M. & Kovacs, M.-P. (1979): Experimental deformation of K-feldspar single crystals. Bull. Minéral. 102, 167-177.
114. Willaime, C. & Gandais, M. (1977): Electron microscope study of plastic defects in experimentally deformed alkali feldspars. Bull. Soc. fr. Minéral. Cristallogr. 100, 263-271.
115. Wilson, M.J. (1975): Chemical weathering of some primary rock-forming minerals. Soil. Sci. 119, 349-355.
116. Wintle, A.G. (1973): Anomalous fading of TL in mineral samples. Nature 245, 143-144.
117. Worden, R.H. & Rushton, J.C. (1992): Diagenetic K-feldspar textures: a TEM study and model for diagenetic feldspar growth. J. Sed. Petrol. 62, 779-789.
118. Worden, R.H., Walker, F.D.L., Parsons, I. & Brown, W.L. (1990): Development of microporosity, diffusion channels and deuteric coarsening in perthitic alkali feldspars. Contrib. Mineral. Petrol. 104, 507-515.
119. Yund, R.A. (1974): Coherent exsolution in the alkali feldspars. In Geochemical Transport and Kinetics (A.W Hoffmann et al., eds). Carnegie Institution Washington and Academic Press, New York, N.Y. (173-183).
120. Yund, R.A. (1984): Alkali feldspar exsolution: kinetics and dependence on alkali interdiffusion. In Feldspars and Feldspathoids: Structure, Properties and Occurrences (W.L. Brown, ed). NATO Adv. Study Inst., Ser. C 137. Reidel Publishing Co., Dordrecht, The Netherlands (281-315).
121. Yund, R.A. & Chapple, W.M. (1980): Thermal histories of two lava flows estimated from cryptoperthite lamellar spacings. Am. Mineral. 65, 438-443.
122. Yund, R.A. & Davidson, P. (1978): Kinetics of lamellar coarsening in cryptoperthites. Am. Mineral. 63, 470-477.
123. Zeipert, C. & Wondratschek, H. (198l): An unusual annealing behaviour of Eifel sanidine. Neues Jahrb. Mineral., Monatsh., 407-415.
124. Zeitler, P.K., Chamberlain, C.P. & Smith, H.A. (1993): Synchronous anatexis, metamorphism, and rapid denudation at Nanga Parbat (Pakistan Himalaya). Geology 21, 347-350.
125. Zink, A., Visocekas, R. & Bos, A.L.J. (1995): Comparison of blue and infrared-emission bands in thermoluminesence of alkali feldspars. Radiation Measurements 24, 513-518.