Increase of electrical conductivity with pressure as an indicator of conduction through a solid phase in midcrustal rocks

Journal of Geophysical Research: Solid Earth

Volumn 102, Issue B7, 1997, Pages 14741-14750

  Shankland, T J ^a   Duba, A G ^b   Mathez, E A ^c   Peach, C L ^c,d  

^a LOS ALAMOS NATIONAL LABORATORY   (United States)

^b LAWRENCE LIVERMORE NATIONAL LABORATORY   (United States)

^c DIVISION OF INVERTEBRATE ZOOLOGY   (United States)

^d Sea Education Association   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CONDUCTIVITY; CONTINENTAL CRUST; CRUSTAL ROCK; CRUSTAL STRUCTURE; PRESSURE; TRANSPORT PROPERTIES;

GERMANY, BAVARIA, KTB;

EID: 0031453068     PISSN: 21699313     EISSN: 21699356     Source Type: Journal    
DOI: None     Document Type: Article

References (16)

1. Alabi, A. O., P. A. Camfield, and D. I. Gough, The North American central plains conductivity anomaly, Geophys. J. R. Astron. Soc., 43, 815-833, 1975.
2. Bailey, R.C., J. A. Craven, J. C. Macnae, and B. D. Polzer, Imaging of deep fluids in Archaean crust, Nature, 340, 136-138, 1989.
3. Brace, W. F., Resistivity of saturated crustal rocks to 40 km based on laboratory studies in The Structure and Physical Properties of the Earth's Crust, Geophys. Monogr. Ser., vol. 14, edited by J. G. Heacock, 169-184, AGU, Washington, D.C., 1971.
4. Brace, W. F., Permeability from resistivity and pore shape, J Geophys. Res., 82, 3343-3349, 1977.
5. Brace, W. F., and A. S. Orange, Further studies of the effects of pressure on electrical resistivity of rocks, J. Geophys. Res., 73, 5407-5420, 1968.
6. Brace, W. F., A. S. Orange, and T. R. Madden, The effect of pressure on the electrical resistivity of water-saturated crystalline rocks, J. Geophys. Res., 70, 5669-5678, 1965.
7. Brace, W. F., J. B. Walsh, and W. T. Frangos, Permeability of granite under high pressure, J. Geophys. Res., 73, 2225-2236, 1968.
8. David, C., Geometry of flow paths for fluid transport in rocks, J. Geophys. Res., 98, 12,267-12,278, 1993.
9. Duba, A. G., Grain-boundary carbon can cause conductivity anomalies (abstract), Eos Trans. AGU, 73 (43), Fall Meet. Supl., 240, 1992.
10. Duba, A., E. Huenges, G. Nover, G. Will, and H. Jödicke, Impedance of black shale from Münsterland 1 borehole: An anomalously good conductor?, Geophys. J., 94, 413-419, 1988.
11. 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.
12. ELEKTB Group, KTB and the electrical conductivity of the crust, J. Geophys. Res., 102, in press, 1997.
13. Emmermann, R., A. Duba, and J. Lauterjung, Continental scientific drilling in Germany: Attempts to attain at least 10,000 m, Eos Trans. AGU, 72, 193-197, 1991.
14. Fox, R. W., and A. T. McDonald, Introduction to Fluid Mechanics, 3rd ed., chap. 8, John Wiley, New York, 1985.
15. Frost, B. R., and K. Bucher, Is water responsible for geophysical anomalies in the deep continental crust? A petrological perspective, Tectonophysics, 231, 293-309, 1994.
16. Frost, B. R., W.S. Fyfe, K. Tazaki, and T. Chan, Grain-boundary graphite in rocks and implications for high electrical conductivity in the lower crust, Nature, 340, 134-136, 1989.