KTB and the electrical conductivity of the crust

Journal of Geophysical Research: Solid Earth

Volumn 102, Issue B8, 1997, Pages 18289-18305

  Haak, V ^a   Simpson, F ^a   Bahr, Karsten ^b,k   Bigalke, J ^c,l   Eisel, M ^a   Harms, U ^a   Hirschmann, G ^d,m   Huenges, E ^a   Jodicke H ^a,e   Kontny, A ^f,g,n   Kuck J ^a   Nover, G ^h,p   Rauen, A ^f,o   Stoll, J ^b,k   Walther, J ^i,q   Winter, H ^f,o   Zulauf, G ^j  

^a GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

^b Inst F Geophys der Univ   (Germany)

^c Inst F Phys und Theor Chemie

^d Ba F Geowissenschaften Rohstuffe

^e UNIVERSITY OF MÜNSTER   (Germany)

^f Inst F Allg Angew Geophys Univ   (Germany)

^g Geologisch Palaontologisches Inst   (Germany)

^h UNIVERSITY OF BONN   (Germany)

ⁱ Mineralogisches Inst der Univ

^j GOETHE UNIVERSITY   (Germany)

^k UNIVERSITY OF GÖTTINGEN   (Germany)

^l Inst F Phys und Theor Chemie   (Germany)

^m FEDERAL INSTITUTE FOR GEOSCIENCES AND NATURAL RESOURCES BGR   (Germany)

ⁿ Geologisch Palaontologisches Inst   (Germany)

^o Inst F Allg Angew Geophys Univ   (Germany)

^p Mineralogisch Petrologisches I   (Germany)

^q UNIVERSITY OF KARLSRUHE   (Germany)

more..

Author keywords

[No Author keywords available]

Indexed keywords

CRUSTAL STRUCTURE; DEEP DRILLING; ELECTRICAL CONDUCTIVITY; GRAPHITE; KTB BOREHOLE; RESISTIVITY; SHEARING;

GERMANY, BAVARIA, KTB SITE;

EID: 0031411679     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: None     Document Type: Article

References (55)

1. Althaus, E., J. Walther A., and A. Holl, Das Kontinentale Tiefbohrprogramm und die Fluidforschung. Geowissenschaften, 13, 147-153, 1995.
2. Bailey, R.C., Trapping of acqueous fluids in the deep crust, Geophys. Res. Lett., 17, 1129-1132, 1990.
3. Berktold, A., Electrical conductivity of moisture containing rocks, in Landolt-Börnstein, Numerical Data and Functional Relationships in Science and Technology, vol. 1, Physical properties of rocks, subvol. b, edited by G. Angenheister, p. 273, Springer-Verlag, New York, 1982.
4. Bigalke, J., Theoretische und experimentelle Untersuchungen zum Geobatteriemodell, dissertation, Univ. Frankfurt, Main, Germany, 1996.
5. Burr, S.V., Discussion on: "The electrochemical mechanism of sulphide self-potentials" by M. Sato and H.M Mooney (Geophysics, 25, 1960, 226-249), Geophysics, 51, 194-196, 1986.
6. Burr, S.V., Discussion on: "The electrochemical mechanism of sulphide self-potentials" by M. Sato and H.M Mooney (Geophysics, 25, 1960, 226-249), Geophysics, 51, 194-196, 1986.
7. Davies, D.H., et al., Azimuthal resistivity imaging: A new generation laterolog, paper SPE 24676; pp. 143-153, Soc. of Petr. Eng, Washington D. C., 1992.
8. Duba, A., S. Heikamp, W. Meurer, G. Nover, and G. Will, Evidence from borehole samples for the role of accessory minerals in lower-crustal conductivity, Nature, 367, 59-61, 1994.
9. Duyster, J., H. de Wall, and G. Zulauf, 9101 m profile in the superdeep well KTB-Where are the depth dependent gradients?, KTB Rep. 94-2, pp. A15-A24, Niedersächsisches Landesamt für Bodenforsch., Hannover, Germany 1994.
10. Eisel, M., Interpretation magnetotellurischer Messungen im Umfeld der Kontinentalen Tiefbohrung unter besonderer Berücksichtigung lateral anisotroper Leitfähigkeitsstrukturen, Sci. Tech. Rep. STR 95/13, GeoForschungsZentrum Potsdam, Germany, 1995.
11. Emmermann, R., and J. Lauterjung, The German Continental Deep Drilling Program KTB: Overview and major results, J. Geophys. Res., this issue.
12. ELEKTB Group, Untersuchungen zur elektrischen Leitfähigkeit in der Kontinentalen Tiefbohrung und ihrem Umfeld, Was bringen sie uns Neues?, Mitt. Dtsch. Geophys. Ges., 4, 2-40, 1994.
13. Evans, B., J. T. Fredrich, and T.-F. Wong, The brittle-ductile transition in rocks: Recent experimental and theoretical progress, in The Brittle-Ductile Transition in Rocks, Geophys. Monogr. Ser., vol. 56, edited by A. G. Duba et al., pp. 1-20, AGU, Washington, D. C., 1990.
14. Figgemeier, C., L. Machon, H. Kamm, J. Hansmann, N. Gleiss, T. Umsonst, and M. Zimmer, with a contribution by J. Erzinger et al., KTB Hauptbohrung, Results of Geoscientific Investigations in the KTB Field Laboratory, depth interval 0-6000 m, KTB Rep. 92-2, pp. C1-C45, Niedersächsisches Landesamt für Bodenforsch., Hannover, Germany, 1992.
15. Gough, I., Seismic reflectors, conductivity, water and stress in the continental crust. Nature, 323, 143-144, 1986.
16. Haak, V., and V. R. S. Hutton, Electrical resistivity in the continental lower crust, in The Nature of the Continental Lower Crust, edited by J. B. Dawson et al., Geol. Soc. Spec. Publ., London, 24, 35-49, 1986.
17. Haak, V., J. Stoll, and H. Winter, Why is the electrical resistivity around the KTB hole so low?, Phys. Earth Planet. Inter., 66, 12-33, 1991.
18. Harms, U., and G. Godizart, Formation of metabasic rocks: Geochemical interpretation of core and cutting data, KTB-Rep. 93-2, pp. 79-82, Niedersächsisches Landesamt für Bodenforsch., Hannover, Germany, 1993.
19. Harms, U., and St. Hölzl, Lamprophyres from the KTB: petrogenetic implications from whole-rock geochemistry and Sr and Nd isotopes, KTB-Rep. 94-3, Niedersächsisches Landesamt für Bodenforsch., Hannover, Germany, pp., 165-178, 1994.
20. Hoffmann, A., Alkaline magmatic series in the KTB-key-rocks for a petrogenetic interpretation of the ZEV metavolcanic rocks, KTB Rep. 94-2, pp. A71-A86, Niedersächsisches Landesamt für Bodenforsch., Hannover, Germany, 1994.
21. Huenges, E., G. Buntebarth, H. Kern, G. Nover, and A. Rauen, Petrophysikalische Untersuchungen an Bohrkernen unter simulierten in situ-Bedingungen, Eine Brücke zwischen Feldlabor und Bohrlochmessungen, KTB Rep. 90-4, pp. 171-190, Niedersächsisches Landesamt für Bodenforsch., Hannover, Germany, 1990.
22. Hyndman, R.D., and P. M. Shearer, Water in the lower continental crust: Modelling magnetotelluric and seismic reflection results, Geophys. J. Int., 98, 343-365, 1989.
23. Hyndman, R.D., L. L. Vanyan, D. Marquis, and L. K. Law, The origin of electrically conductive lower continental crust: Saline water or graphite?, Phys. Earth Planet Inter., 81, 325-344, 1993.
24. Jones, A. G., MT and reflection: An essential combination, Geophys. J. R. Astron. Soc., 89, 7-18, 1987.
25. Jones, A.G., and J. A. Craven, The North American Central Plains conductivity anomaly and its correlation with gravity, magnetic, seismic and heat flow data in Saskatchewan, Canada, Phys. Earth Planet. Inter., 60, 169-194, 1990.
26. Kessels, W., and J. Kück, Hydraulic communication in crystalline rocks between the two boreholes of the Continental Deep Drilling Programme in Germany, Int. J. Rock Mech. Min. Sci. Geomech. Abstr., 32, 37-47, 1995.
27. Kontny, A., Bildungsbedingungen von Erzmineralen in metamorphen Krustengesteinen der KTB-Bohrungen/Oberpfalz, dissertation, Rheinisch-Westfälische-Technische Hochschule Aachen, Germany, 1994.
28. Kontny, A., G. Friedrich, H. J. Behr, H. de Wall, E. E. Horn, P. Möller, and G. Zulauf, Formation of ore minerals in metamorphic rocks of the German continental deep drilling site (KTB), J. Geophys. Res., this issue.
29. Kreuzer, H., E. Seidel, U. Schüssler, M. Okrusch, K. L. Lenz, and H. Raschka, K-Ar geochronology of different tectonic units at the northwestern margin of the Bohemian Massif, Tectonophysics, 157, 149-178, 1989.
30. Mareschal, M., Electrical conductivity: The story of an elusive parameter, and how it possibly relates to the Kapuskasing Uplift (Lithoprobe, Canada), in Exposed Cross-Sections of the Continental Crust, edited by M. H. Salisbury and D.M. Fountain, pp. 453-468, Kluwer, Norwell, Mass., 1990.
31. Marquis, G., and R. D. Hyndman, Geophysical support for aqueous fluids in the deep crust: Seismic and electrical relationships, Geophys. J. Int., 110, 91-105, 1992.
32. Möller, P., et al., Paleo fluids and recent fluids in the upper continental crust: Results from the German Continental Deep Drilling Program, KTB, J. Geophys. Res., this issue.
33. Nover, G., and G. Will, Laboratory measurements on KTB core samples: complex resistivity, zeta potential, permeability and density as a tool for the detection of flow phenomena, Sci. Drill. 2, 90-100, 1991.
34. Nover, G., S. Heikamp, A. Kontny, and A. Duba, The effect of pressure on the electrical conductivity of KTB rocks, Surv. Geophys., 16, 63-81, 1995.
35. Palm, S., G. Zulauf, A. Hoffmann, G. Kleinschmidt, and O. Spies, Geochemical constraints on element mobility and volume flux in brittle shear zones of the KTB-pilot hole, KTB Rep. 94-2. p. B21, Niedersächsisches Landesamt für Bodenforsch., Hannover, 1994.
36. Pribnow, D., C. Bücker, A. Rauen, E. Spangenberg, J. Wienand, and H. C. Soffel, Geophysics, KTB Rep. 92-2, pp. D1-D42, Niedersächsisches Landesamt für Bodenforsch., Hannover, 1992.
37. Rauen, A., Untersuchungen des komplexen elektrischen Widerstandes, insbesondere dessen Anisotropie und Frequenzabhängigkeit, von Proben des Kontinentalen Tiefbohrprogramms der Bundesrepublik Deutschland (KTB), dissertation., Fak. für Geowiss., Univ. München, Munich, Germany, 1991.
38. Rauen, A., and M. Lastovickova, Investigation of electrical anisotropy by the deep borehole KTB, Surv. Geophys., 16, 37-46, 1995.
39. Rauen, A., and H. C. Soffel, Determination of electrical resistivity, its anisotropy and heterogeneity on drill cores-A new method, Geophys. Prospect, 43, 283-298, 1995.
40. Rauen, A., J. Duyster, S. Heikamp, A. Kontny, G. Nover, and T. Röckel, Electrical conductivity of a KTB core from 7000 m, Effects of cracks and ore minerals, Sci. Drill., 4, 197-206, 1994.
41. Sato, M., and H. M. Mooney, The electrochemical mechanism of sulfide self-potentials, Geophysics, 15, 226-249, 1960.
42. Serra, O., Fundamentals of Well-Log Interpretation, 1, The Aquisition of Logging Data, Elsevier, New York, 1984.
43. Siebel, W., Der Leuchtenberger Granit und seine assoziierten magmatischen Gesteine: Zeitliche und stoffliche Entwicklungsprozesse im Verlauf der Entstehung des Nordoberpfalz-Plutons, dissertation, 308 pp., Heidelberg Univ., Heidelberg, Germany, 1993.
44. Stanley, W. D., Comparison of geoelectrical/tectonic models for suture zones in the western U.S.A. and eastern Europe: are black shales a possible source of high conductivities?, Phys. Earth Planet Inter., 53, 228-238, 1989.
45. Stoll, J., Beobachtung der Dynamik von Eigenpotentialen in der Kontinentalen Tiefbohrung Oberpfalz, dissertation, Univ. Frankfurt am Main, Frankfurt am Main, Germany, 1995.
46. Stoll, J., J. Bigalke, and E. Grabner, Electrochemical modelling of self-potential anomalies, Surv. Geophys., 16, 107-120, 1995.
47. Wagner, G.A., et al., Post-Variscan thermal and tectonic evolution of the KTB site and its surroundings, J. Geophys. Res., this issue.
48. Walther, J., and E. Althaus, Reconstruction of geothermal gradient from fluid inclusions in rocks from the KTB borehole, KTB Rep. 93-2, pp., 455-459, Niedersächsisches Landesamt für Bodenforsch., Hannover, 1993a.
49. Walther, J., and E. Althaus, Graphite deposition in tectonically mobilized fault planes of the KTB pilot drill hole, KTB Rep. 93-2, 493-497, Niedersächsisches Landesamt für Bodenforsch., Hannover, 1993b.
50. Watson, E. B., Immobility of reduced carbon along grain boundaries in dunite, Geophys. Res. Lett., 13, 529-532, 1986.
51. Wendt, I., Geochemistry, radiometric ages and genetic relations of granites adjacent to KTB, KTB Rep. 93-2, pp. 407-410, Niedersächsisches Landesamt für Bodenforsch., Hannover, 1993.
52. Winter, H., J. Stoll, and E. Aulbach, The new electrical potential logging tool, Sci. Drill. 2, 147-159, 1991.
53. Yardley, B. D. W., Is there water in the deep continental crust?, Nature, 323, 111, 1986.
54. Zulauf, G., Late to post-Variscan deformation phases and paleostresses in the KTB pilot research well (Bohemian Massif, Germany), Tectonophysics, 202, 1-21, 1992.
55. Zulauf, G., G. Kleinschmidt, and O. Oncken, Brittle deformation and graphitic cataclasites in the pilot research well KTB-VB (Oberpfalz, FRG), in Deformation Mechanisms: Rheology and Tectonics, edited by R. J. Knipe and E. H. Rutter, Geol. Soc. Spec. Publ, 54, 97-103, 1990.