Crustal composition and mantle heat flow: Implications from surface heat flow and radiogenic heat production in the Variscan Erzgebirge (Germany)

Journal of Geophysical Research: Solid Earth

Volumn 105, Issue B12, 2000, Pages 27917-27938

  Förster, Andrea ^a   Förster, Hans Jürgen ^a  

^a GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

CHEMICAL COMPOSITION; CONTINENTAL CRUST; HEAT FLOW; MANTLE PROCESS;

ERZGEBIRGE; GERMANY;

EID: 0034481304     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: 10.1029/2000jb900279     Document Type: Article

References (125)

1. Arshavsakaya, N. I., N. E. Galdin, E. W. Karus, O. L. Kuznetsov, E. A. Lubimova, S. Y. Milanovski, V. D. Nartikoev, S. A. Semaskko, and E. V. Smirnova, Geothermic investigations, in The Superdeep Well of the Kola Peninsula, edited by Y. A. Kozlovsky, pp. 387-393, Springer-Verlag, New York, 1987.
2. Barsukov, V. L., N. T. Sokolova, and O. M. Ivanitskii, Distribution of U, Th, and K in granites of the Aue and Eibenstock massifs, Erzgebirge, Germany, Geochem. Int., 34, 1041-1056, 1996.
3. Barth, M. G., W. F. McDonough, and R. L. Rudnick, Tracking the budget of Nb and Ta in the continental crust, Chem. Geol., 165, 197-213, 2000.
4. Basham, I. R., T. K. Ball, B. Beddoe-Stephens, and U. M. Michie, Uranium-bearing accessory minerals and granite fertility, II, Studies on granites from the British Isles, in Compte Rendu: Methodes de Prospection de l'Uranium; Symposium sur les Methodes de Prospection de l'Uranium - Examen du Programme AEN-AIEA de R & D, pp. 398-413, Org. for Econ. Coop. and Dev., Paris, 1982.
5. Bayer, U., B. Lünenschloß, J. Springer, and C. von Winterfeld, Thermal modeling at an ancient orogenetic front with special regard to the uncertainty of heat-flow predictions, in Geologic Modeling and Mapping, edited by A. Förster and D. F. Merriam, pp. 79-93, Plenum, New York, 1996.
6. Bea, F., and P. Montero, Behavior of accessory phases and redistribution of Zr, REE, Y, Th, and U during metamorphism and partial melting of metapelites in the lower crust: An example from the Kinzigite Formation of Ivrea-Verbano, NW Italy, Geochim. Cosmochim. Acta, 63, 1133-1153, 1999.
7. Behr, H.-J., H.-J. Dürbaum, P. Bankwitz, and DEKORP Research Group (B), Crustal structure of the Saxothuringian zone: Results of the deep seismic profile MVE-90 (east), Z. Geol. Wiss., 22, 647-769, 1994.
8. Bingen, B., D. Demaiffe, and J. Hertogen, Redistribution of rare earth elements, thorium and uranium over accessory minerals in the course of amphibolite to granulite facies metamorphism: The role of apatite and monazite in orthogneisses from southwestern Norway, Geochim. Cosmochim. Acta, 60, 1341-1354, 1996.
9. Birch, F., R. F. Roy, and E. R. Decker, Heat flow and thermal history in New York and New England, in Studies of Appalachian Geology: Northern and Maritime, edited by E. Zen et al., pp. 437-451, John Wiley, New York, 1968.
10. Blackwell, D. D., Regional implications of heat flow of the Snake River Plain, northwestern United States, Tectonophysics, 164, 323-343, 1989.
11. Blackwell, D. D., and R. E. Spafford, Experimental methods in continental heat-flow, in Geophysics, Methods Exp. Phys., vol. 24, Part B, edited by C. G. Sammis and T. L. Henyey, pp. 189-226, Academic, San Diego, Calif., 1987.
12. Broska, I., and P. Siman, The breakdown of monazite in West-Carpathian Veporic orthogneisses and Tatric granites, Geol. Carpathica, 49, 161-167, 1998.
13. Broska, I., I. Petrík, and C. T. Williams, Coexisting monazite and allanite in peraluminous granitoids of the Tribeč Mountains, western Carpathians, Am. Mineral., 85, 22-32, 2000.
14. Brott, C. A., D. D. Blackwell, and J. P. Ziagos, Thermal and tectonic implications of heat flow in the Eastern Snake River Plain, Idaho, J. Geophys. Res., 86, 11,709-11,734, 1981.
15. Bullard, E. C., The time necessary for a borehole to attain temperature equilibrium, Mon. Not. R. Astron. Soc., Geophys. Suppl., 5, 127-130, 1947.
16. Čermák, V., Combined heat-flow-heat-generation measurement in the Bohemian Massif, Geothermics, 4, 19-26, 1975a.
17. Čermák, V., Temperature-depth profiles in Czechoslovakia and some adjacent areas derived from heat flow measurements, deep seismic sounding and other geophysical data, Tectonophysics, 26, 103-119, 1975b.
18. Čermák, V., Heat flow investigations in Czechoslovakia, in Geophysical Syntheses in Czechoslovakia, edited by A. Zátopek, pp. 427-439, Vedá, Bratislava, Slovakia, 1981.
19. Čermák, V., Crustal heat production and mantle heat flow in central and eastern Europe, Tectonophysics, 159, 195-215, 1989.
20. Čermák, V., Lithospheric thermal regimes in Europe, Phys. Earth Planet. Inter., 79, 179-193, 1993.
21. Čermák, V., and L. Rybach, Vertical distribution of heat production in the continental crust, Tectonophysics, 159, 217-230, 1989.
22. Chappell, B. W., Aluminum saturation in I- and S-type granites and the characterization of fractionated haplogranites, Lithos, 46, 535-551, 1999.
23. Choi, S., Horizontale und vertikale Dichtezonierung in den Varisziden am Beispiel des Erzgebirges, dissertation, Freie Univ., Berlin, 2000.
24. Choi, S., H.-J. Götze, and O. Krentz, Gravity stripping of Paleozoic crustal domains - An example from the Erzgebirge, Terra Nostra, 2, 38-42, 1998.
25. Clauser, C., and E. Huenges, Thermal conductivity of rocks and minerals, in Rock Physics and Phase Relations: A Handbook of Physical Constants, AGU Ref. Shelf, vol. 3, edited by T. J. Ahrens, pp. 105-126, AGU, Washington, D. C., 1995.
26. Clauser, C., P. Giese, E. Huenges, T. Kohl, H. Lehmann, L. Rybach, J. Safanda, H. Wilhelm, K. Windlow, and G. Zoth, The thermal regime of the crystalline continental crust: implications from the KTB, J. Geophys. Res., 102, 18,417-18,441, 1997.
27. Condie, K. C., Chemical composition and evolution of the upper continental crust: contrasting results from surface samples and shales, Chem. Geol., 104, 1-37, 1993.
28. Diener, I., et al., Geothermie-Atlas der DDR, 11 pp., 27 maps, Zentr. Geol. Inst., Berlin, 1984.
29. Dowdle, W. L., and W. M. Cobb, Static formation temperature from well logs, an empirical method, J. Pet. Technol., 27, 1326-1330, 1975.
30. O2, T, pH) of the opposite behaviour of U and Sn-W as exemplified by hydrothermal deposits in France and Great Britain, and solubility data, Bull. Mineral., 110, 261-281, 1987.
31. Dulski, P., Interferences of oxide, hydroxide, and chloride analyte species in the determination of rare earth elements in geological samples by inductively coupled plasma-mass spectrometry, Fresenius J. Anal. Chem., 350, 194-203, 1994.
32. Dunai, T. J., and H. Baur, Helium, neon, and argon systematics of the European subcontinental mantle: Implications for its geochemical evolution, Geochim. Cosmochim. Acta, 59, 2767-2783, 1995.
33. Eby, G. N., The A-type granitoids: A review of their occurrence and chemical characteristics and speculations on their petrogenesis, Lithos, 26, 115-134, 1990.
34. England, P. C., E. R. Oxburgh, and S. W. Richardson, Heat refraction in and around granite plutons in north-east England, Geophys. J. R. Astron. Soc., 62, 439-455, 1980.
35. Finger, F., I. Broska, M. Roberts, and A. Schermaier, Replacement of primary monazite by apatite-allanite-epidote coronas in an amphibolite facies granite gneiss from the eastern Alps, Am. Mineral., 83, 248-258, 1998.
36. Förster, A., Bewertung der geothermischen Bedingungen im Ostteil des Norddeutschen Beckens, in Geothermie Report 97-1: Geowissenschaftliche Bewertungsgrundlagen zur Nutzung hydrogeothermaler Ressourcen in Norddeutschland, edited by P. Hoth et al., pp. 20-41, Sci. Tech. Rep. STR97/15, GeoForschungsZentrum Potsdam, Potsdam, Germany, 1997.
37. Förster, H.-J., Die variszischen Granite des Erzgebirges und ihre akzessorischen Minerale, Habilitation thesis, Tech. Univ. Bergakad., Freiberg, Germany, 1998.
38. Förster, H.-J., The chemical composition of uraninite in Variscan granites of the Erzgebirge, Germany, Mineral. Mag., 63, 239-252, 1999.
39. Förster, H.-J., Cerite-(Ce) and thorian synchysite-(Ce) from the Niederbobritzsch granite (Erzgebirge, Germany): Implications for the differential mobility of the LREE and Th during alteration, Can. Mineral., 38, 67-79, 2000.
40. Förster, H.-J., and G. Tischendorf, Reconstruction of the volatile characteristics of granitoidic magmas and hydrothermal solutions on the basis of dark micas: The Hercynian postkinematic granites and associated high-temperature mineralizations of the Erzgebirge (G.D.R.): Calculation procedure and results, Chem. Erde, 49, 7-20, 1989.
41. Förster, H.-J., G. Tischendorf, R. Seltmann, and B. Gottesmann, Die variszischen Granite des Erzgebirges: Neue Aspekte aus stofflicher Sicht, Z. Geol. Wiss., 26, 31-60, 1998.
42. Förster, H.-J., G. Tischendorf, R. B. Trumbull, and B. Gottesmann, Late-collisional granites in the Variscan Erzgebirge, J. Petrol., 40, 1613-1645, 1999.
43. Fricke, S., and P. Schlosser, Probleme der Ermittlung von Gesteinstemperaturen durch Bohrlochmessungen in übertiefen Bohrlöchern der DDR, Z. Angew. Geol., 26, 619-623, 1980.
44. Frost, C. D., B. R. Frost, K. R. Chamberlain, and B. R. Edwards, Petrogenesis of the 1.43 Ga Sherman batholith, SE Wyoming, USA: A reduced, rapakivi-type anorogenic granite, J. Petrol., 40, 1771-1802, 1999.
45. Frottier, L. G., J.-C. Mareschal, C. Jaupart, C. Gariépy, R. Lapointe, and G. Bienfait, Heat flow variations in the Grenville Province, Canada, Earth Planet. Sci. Lett., 136, 447-460, 1995.
46. Funnell, R. H., R. G. Allis, D. S. Chapman, and P. A. Armstrong, Thermal regime of the Taranaki basin, New Zealand, J. Geophys. Res., 101, 25,197-25,215, 1996.
47. Furlong, K. P., and D. S. Chapman, Crustal heterogeneities and the thermal structure of the continental crust, Geophys. Res. Lett., 14, 314-317, 1987.
48. Gottesmann, B., R. Seltmann, and H.-J. Förster, Felsic subvolcanic intrusions within the Eibenstock granite pluton (Saxony, Germany): The Gottesberg volcano-plutonic system, Terra Nostra, 7, 49-53, 1995.
49. Govindaraju, K., P. J. Potts, P. C. Webb, and J. S. Watson, Report on Whin Sill dolerite WS-E from England and Pitscurrie microgabbro from Scotland, Geostand. Newsl., 18, 211-300, 1994.
50. Hansen, E. C., R. C. Newton, A. S. Janardhar, and S. Lindenberg, Differentiation of Late Archean crust in the eastern Dharwar Craton, Krishnagiri-Salem area, south India, J. Geol., 103, 629-651, 1995.
51. Horner, D. R., Pressure build-up in wells, in Proceedings of the Third World Petroleum Congress, The Hague, sect. II, pp. 503-521, E. J. Brill, Cologne, Germany, 1951.
52. Huenges, E., C. Bücker, K. E. Wolter, J. Wienand, A. Rauen, and E. Lippmann, Deep drilling KTB Oberpfalz VB results of the geoscientific proceedings in the KTB-laboratory; depth interval: 1709 to 2500 m, KTB Rep. 89-2, pp. D1-D83, Niedersächsisches Landesamt für Bodenforsch., Hannover, Germany, 1989.
53. Hurtig, E., and C. Oelsner, The heat flow field on the territory of the German Democratic Republic, in Terrestrial Heat Flow in Europe, edited by V. Cermak and L. Rybach, pp. 186-190, Springer-Verlag, New York, 1979.
54. Hurtig, E., and W. Rockel, Federal Republic of Germany, eastern states, in Geothermal Atlas of Europe, edited by E. Hurtig et al., pp. 38-40, Hermann Haak, Gotha, Germany, 1992.
55. Irber, W., The lanthanide tetrad effect and its correlation with K/Rb, Eu/Eu*, Sr/Eu, Y/Ho, and Zr/Hf of evolving peraluminous granite suites, Geochim. Cosmochim. Acta, 63, 489-508, 1999.
56. Jaupart, C., Horizontal heat transfer due to radioactivity contrasts: Causes and consequences of the linear heat flow relation, Geophys. J. R. Astron. Soc., 75, 411-435, 1983.
57. Jaupart, C., and J. C. Mareschal, The thermal structure and thickness of continental roots, Lithos, 48, 93-114, 1999.
58. Jolivet, J., G. Bienfait, J. L. Vigneresse, and M. Cuney, Heat flow and heat production in Brittany (western France), Tectonophysics, 159, 61-72, 1989.
59. Kontak, D. J., The East Kemptville topaz-muscovite leucogranite, Nova Scotia, I, Geological setting and whole-rock geochemistry, Can. Mineral., 28, 787-825, 1990.
60. Kopf, M., Dichtewerte von Gesteinen des Erzgebirges und der angrenzenden Gebiete, Z. Angew. Geol., 6, 301-302, 1961.
61. Kröner, A., and A. P. Willner, Time of formation and peak of Variscan HP-HT metamorphism of quartz-feldspar rocks in the central Erzgebirge, Saxony, Germany, Contrib. Mineral. Petrol., 132, 1-20, 1998.
62. Kukkonen, I. T., Thermal aspects of groundwater circulation in bed-rock and its effect on crustal geothermal modelling in Finland, the central Fennoscandian Shield, Tectonophysics, 244, 119-136, 1995.
63. Kukkonen, I. T., and J. Šafanda, Paleoclimate and structure: The most important factors controlling subsurface temperatures in crystalline rocks. A case history from Outokumpu, eastern Finland, Geophys. J. Int., 126, 101-112, 1996.
64. Kuschka, E., and W. Hahn, Flußspatlagerstätten des Südwestvogtlandes: Schönbrunn, Bösenbrunn, Wiedersberg, Bergbaumonogr. Bergbau in Sachsen, vol. 2, 283 pp., Landesamt für Umwelt und Geol., Oberbergamt des Freistaates Sachsen, Freiberg, Germany, 1996.
65. Lachenbruch, A. H., Preliminary geothermal model of the Sierra Nevada, J. Geophys. Res., 73, 6977-6989, 1968.
66. Lachenbruch, A. H., Crustal temperature and heat production: Implications of the linear heat flow relation, J. Geophys. Res., 75, 3291-3300, 1970.
67. Lachenbruch, A. H., and M. C. Brewer, Dissipation of the temperature effect of drilling a well in arctic Alaska, U.S. Geol. Surv. Bull., 1083C, 73-109, 1959.
68. Lachehbruch, A. H., and J. H. Sass, Heat flow in the United States and the thermal regime of the crust, in: The Earth's Crust, Geophys. Monogr. Ser., vol. 20, edited by J. H. Heacock, pp. 626-675, AGU, Washington, D. C., 1977.
69. Lee, M. K., J. Wheildon, P. C. Webb, G. C. Brown, I. F. Smith, G. King, A. Thomas-Betts, K. E. Rollin, and C. N. Crook, Hot dry rock prospects in Caledonian granites: Evaluation of results from BGS-IC-OU research programme (1981-1984), 83 pp., Brit. Geol. Surv., Keyworth, England, 1984.
70. Lee, M. K., G. C. Brown, P. C. Webb, J. Wheildon, and K. E. Rollin, Heat flow, heat production and thermo-tectonic setting in mainland UK, J. Geol. Soc. London, 144, 35-42, 1987.
71. Mareschal, J. C., C. Jaupert, L. Z. Cheng, F. Rolandone, C. Gariépy, G. Bienfait, L. Guillou-Frottier, and R. Lapointe, Heat flow in the Trans-Hudson Orogen of the Canadian Shield: Implications for Proterozoic continental growth, J. Geophys. Res., 104, 29,007-29,024, 1999.
72. Matte, P., H. Maluski, P. Rajlich, and W. Franke, Terrane boundaries in the Bohemian Massif: Result of large-scale Variscan shearing, Tectonophysics, 177, 151-170, 1990.
73. McDonough, W. F., Constraints on the composition of the continental lithospheric mantle, Earth Planet. Sci. Lett., 101, 1-18, 1990.
74. McLennan, S. M., and S. R. Taylor, Heat flow and the chemical composition of continental crust, J. Geol., 104, 369-377, 1996.
75. Mingram, B., Geochemische Signaturen der Metasedimente des erzgebirgischen Krustenstapels, Sci. Tech. Rep. STR 96104, 104 pp., GeoForschungsZentrum Potsdam, Potsdam, Germany, 1996.
76. Mingram, B., The Erzgebirge, Germany, a subducted part of northern Gondwana: geochemical evidence for repetition of early Palaeozoic metasedimentary sequences in metamorphic thrust units, Geol. Mag., 135, 785-801, 1998.
77. Morgan, P., The thermal structure and thermal evolution of the continental lithosphere, Phys. Chem. Earth, 15, 107-193, 1984.
78. Morgan, P., Crustal radiogenic heat production and the selective survival of ancient continental crust, Proc. Lunar Planet. Sci. Conf. 15th, Part 2, J. Geophys. Res., 90, suppl., C561-C570, 1985.
79. Morgan, P., and W. D. Gosnold, Heat flow and thermal regimes in the continental United States, Mem. Geol. Soc. Am., 172, 493-522, 1989.
80. Müller, A., G. Stiehl, T. Böttger, H.-K. Bothe, O. Gebhardt, M. Geisler, D. Haendel, H.-M. Nitzsche, and E. Schmädicke, Geochemical, stable isotope and petrographic investigations of granulites, pyriclasites and metagranulitic rocks of the Sächsisches Granulitgebirge, in Contributions to the Geology of the Saxonian Granulite Massif (Sächsisches Granulitgebirge), edited by H. Gerstenberger, Mitt. 133, pp. 145-205, Zentralinst. für Isotopen- und Strahlenforsch., Leipzig, Germany, 1987.
81. Nyblade, A. A., and H. N. Pollack, A global analysis of heat flow from Precambrian terrains: Implications for the thermal structure of Archean and Proterozoic lithosphere, J. Geophys. Res., 98, 12,207-12,218, 1993.
82. Oelsner, C., Ergebnisse der Berechnung eines geothemischen Schnittes im Bereich des Erzgebirges in Abhängigkeit von Eingabedaten, Stud. Geophys. Geod., 22, 190-196, 1978.
83. Oelsner, C., and E. Hurtig, Zur geothermischen Situation im Erzgebirge, Freiberg. Forschungsh. C, 350, 7-17, 1979.
84. Ostřihanský, L., The structure of the Earth's crust and the heat-flow-heat-generation relationship in the Bohemian Massif, Tectonophysics, 68, 325-337, 1980.
85. Ostřihanský, L., The structure of the Earth's crust and the heat-flow-heat-generation relationship in the Bohemian Massif, in Proceedings of the 1st International Conference on the Bohemian Massif, edited by Z. Kukal, pp. 210-217, Czech Geol. Surv., Prague, 1988.
86. Pinet, C., C. Jaupart, J.-C. Mareschal, C. Gariepy, G. Bienfait, and R. Lapointe, Heat flow and structure of the lithosphere in the eastern Canadian Shield, J. Geophys. Res., 96, 19,941-19,963, 1991.
87. Poitrasson, F., S. Chenery, and D. J. Bland, Contrasted monazite hydrothermal alteration mechanisms and their geochemical implications, Earth Planet. Sci. Lett., 145, 79-96, 1996.
88. Pollack, H. N., S. J. Hurter, and J. R. Johnson, Heat flow from the Earth's interior; analysis of the global data set, Rev. Geophys., 31, 267-280, 1993.
89. Polyak, B. G., E. M. Prasolov, V. Čermaḱ, and A. B. Verkhovskiy, Isotopic composition of noble gases in geothermal fluids of the Krušné hory Mts., Czechoslovakia, and the nature of the local geothermal anomaly, Geochim. Cosmochim. Acta, 49, 695-699, 1985.
90. Popov, Y. A., and L. A. Pevzner, Vertical variation in heat flow density and rock thermal properties along the scientific boreholes of Russia, in Proceedings of the VIIth International Symposium on the Observation of the Continental Crust Through Drilling, pp. 269-272, DOSECC Inc., Santa Fe, N. M., 1994.
91. Popov, Y. A., D. F. C. Pribnow, J. H. Sass, C. F. Williams, and H. Burkhardt, Characterization of rock thermal conductivity by high-resolution optical scanning, Geothermics, 28, 253-276, 1999.
92. Rao, R. U. M., G. V. Rao, and G. K. Reddy, Age dependence of continental heat flow; fantasy and fact, Earth Planet. Sci. Lett., 59, 288-302, 1982.
93. Reibelt, M., Study of the influence of surface structure and fluid-saturation of rocks on the determination of thermal conductivity using the half-space line source (Untersuchung des Einflusses der Oberflächenbeschaffenheit und der Fluidsättigung von Gesteinen auf die Messung der Wärmeleitfähigkeit mit einer Halbraumlinienquelle), Diploma thesis, Tech. Univ., Berlin, 1991.
94. Rötzler, K., R. Schumacher, W. V. Maresch, and A. P. Willner, Characterization and geodynamic implications of contrasting metamorphic evolution in juxtaposed high-pressure units of the western Erzgebirge (Saxony, Germany), Eur. J. Mineral., 10, 261-280, 1998.
95. Roy, R. F., D. D. Blackwell, and F. Birch, Heat generation of plutonic rocks and continental heat flow provinces, Earth Planet. Sci. Lett., 5, 1-12, 1968.
96. Rudnick, R. L., and D. M. Fountain, Nature and composition of the continental crust: A lower crustal perspective, Rev. Geophys., 33, 267-309, 1995.
97. Rudnick, R. L., W. F. McDonough, and R. J. O'Connell, Thermal structure, thickness and composition of continental lithosphere, Chem. Geol., 145, 395-411, 1998.
98. Rybach, L., Wärmeproduktionsbestimmungen an Gesteinen der Schweizer Alpen, Beitr. Geol. Schweiz, Geotech. Ser., 51, 43 pp., 1973.
99. Rybach, L., and G. Buntebarth, Heat-generating radioelements in granitic magmas, J. Volcanol. Geotherm. Res., 10, 395-404, 1981.
100. Sächsisches Landesamt für Umwelt und Geologie, Geologische Übersichtskarte des Freistaates Sachsen, scale 1:400000, 1 sheet, Freiberg, Germany, 1995.
101. Sass, J. H., A. H. Lachenbruch, T. H. Moses Jr., and P. Morgan, Heat flow from a scientific research well at Cajon Pass, California, J. Geophys. Res., 97, 5017-5030, 1992.
102. Schön, J. H., Physical Properties of Rocks: Fundamentals and Principles of Petrophysics, Handb. Geophy. Explor., Sect. 1, Seismic Explor., vol. 18, edited by K. Helbig and S. Teitel, pp. 323-378, Pergamon, Tarrytown, N. Y., 1996.
103. Shaw, D. M., J. J. Cramer, M. D. Higgins, and M. G. Truscott, Composition of the Canadian Precambrian shield and the continental crust of the Earth, in The Nature of the Lower Continental Crust, edited by J. B. Dawson et al., Geol. Soc. Spec. Publ., 24, 257-282, 1986.
104. Somerton, W. H., Some thermal characteristics of rocks, Trans. AIME, 213, 375-378, 1958.
105. Taylor, R. P., Petrological and geochemical characteristics of the Pleasant Ridge zinnwaldite-topaz granite, southern New Brunswick, and comparisons with other topaz-bearing felsic rocks, Can. Mineral., 30, 895-921, 1992.
106. Taylor, S. R., and S. M. McLennan, The Continental Crust: Its Composition and Evolution, 312 pp., Blackwell, Malden, Mass., 1985.
107. Tischendorf, G., and H.-J. Förster, Hercynian granite magmatism and related metallogenesis in the Erzgebirge: a status report, in Mineral Deposits of the Erzgebirge/Krušné hory (Germany/Czech Republic), edited by K. von Gehlen and D. D. Klemm, pp. 5-23, Gebrüder Bornträger, Berlin, 1994.
108. Tischendorf, G., J. Wasternack, H. Bolduan, and E. Bein, Zur Lage der Granitoberfläche im Erzgebirge und Vogtland mit Bemerkungen über ihre Bedeutung für die Verteilung endogener Lagerstätten, Z. Angew. Geol., 11, 410-423, 1965.
109. Tomek, F. H., V. Dvorakva, and S. Vrana, Geological interpretation of the 9HR and 503M seismic profiles in western Bohemia, J. Geol. Sci., 47, 43-50, 1997.
110. Ulrych, J., and E. Pivec, Age-related contrasting alkaline volcanic series in north Bohemia, Chem. Erde, 57, 311-336, 1997.
111. Vigneresse, J. L., Forme et volume des plutons granitiques, Bull. Soc. Geol. Fr., 8, 897-906, 1988.
112. Vigneresse, J. L., Thermal data and crustal structure: Role of granites and the depleted lower crust, in Granulites and Crustal Evolution, edited by D. Vielzeuf and P. Vidal, pp. 551-568, Kluwer Acad., Norwell, Mass., 1990.
113. Vigneresse, J. L., Intrusion level of granitic massifs along the Hercynian belt: Balancing the eroded crust, Tectonophysics, 307, 277-295, 1999.
114. Vigneresse, J. L., and M. Cuney, Are granites representative of heat flow provinces?, in Terrestrial Heat Flow and the Lithosphere Structure, edited by V. Čermák and L. Rybach, pp. 86-110, Springer-Verlag, New York, 1991.
115. Vigneresse, J. L., M. Cuney, J. Jolivet, and G. Bienfait, Selective heat-producing element enrichment in a crustal segment of the mid-European Variscan chain, Tectonophysics, 159, 47-60, 1989.
116. Vitorello, I., and H. N. Pollack, On the variation of continental heat flow with age and the thermal evolution of continents, J. Geophys. Res., 85, 983-995, 1980.
117. Wagner, S., Geothemische Krustenmodellierung im Südteil der DDR, Z. Angew. Geol., 35, 1-3, 1989.
118. Wasternack, J., S. Märtens, and B. Gottesmann, Field and petrographic study of brecciation and greisenization phenomena in the Gottesberg tin deposit (Saxony), Z. Geol. Wiss., 23, 619-642, 1995.
119. Webb, P. C., A. G. Tindle, S. D. Barritt, G. C. Brown, and J. F. Miller, Radiothermal granites of the United Kingdom: comparison of fractionation patterns and variation of heat production for selected granites, in High Heat Production (HHP) Granites, Hydrothermal Circulation and Ore Genesis, pp. 409-424, Inst. of Min. and Metall., London, 1985.
120. Webb, P. C., M. K. Lee, and G. C. Brown, Heat flow-heat production relationships in the UK and the vertical distribution of heat production in granite batholiths, Geophys. Res. Lett., 14, 279-282, 1987.
121. Weinlich, F., K. Bräuer, H. Kämpf, G. Strauch, J. Tesař, and S. M. Weise, An active subcontinental mantle volatile system in the western Eger rift, central Europe: Gas flux, isotopic (He, C, and N) and compositional fingerprints, Geochim. Cosmochim. Acta, 63, 3653-3671, 1999.
122. Whalen, J. B., K. L. Currie, and B. W. Chappell, A-type granites: Geochemical characteristics, discrimination and petrogenesis, Contrib. Mineral. Petrol., 95, 407-419, 1987.
123. Willner, A. P., K. Rötzier, and W. V. Maresch, Pressure-temperature and fluid evolution of quartzo-feldspatic metamorphic rocks with a relic high-pressure, granulite facies history from the central Erzgebirge (Saxony/Germany), J. Petrol., 38, 307-336, 1997.
124. Woodside, W., and J. Messmer, Thermal conductivity of porous media, J. Appl. Phys., 32, 1688-1706, 1961.
125. Ziagos, J. P., D. D. Blackwell, and F. Mooser, Heat flow in southern Mexico and the thermal effects of subduction, J. Geophys. Res., 90, 5410-5420, 1985.