A tomography study of the Chyulu Hills, Kenya

Tectonophysics

Volumn 278, Issue 1-4, 1997, Pages 149-169

  Ritter, Joachim R R ^a,b   Kaspar, Tilo ^a,b  

^a UNIVERSITY OF KARLSRUHE   (Germany)

^b UNIVERSITY OF GÖTTINGEN   (Germany)

Author keywords

Kenya; Lithosphere; Seismology; Tomography; Volcanism

Indexed keywords

LITHOSPHERE; SEISMIC TOMOGRAPHY; VOLCANISM;

KENYA, CHYULU HILLS;

EID: 0031422230     PISSN: 00401951     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-1951(97)00099-1     Document Type: Article

References (34)

1. Achauer, U., the KRISP Teleseismic Working Group, 1994. New ideas on the Kenya rift based on the inversion of the combined dataset of the 1985 and 1989/90 seismic tomography experiments. In: Prodehl, C., Keller, G.R., Khan, M.A. (Eds.), Crustal and Upper Mantle Structure of the Kenya Rift. Tectonophysics, 236: 305-331.
2. Aki, K., Christoffersson, A., Husebye, E.S., 1977. Determination of the three-dimensional seismic structure of the lithosphere. J. Geophys. Res. 82, 277-296.
3. Baker, B.H., Wohlenberg, J., 1971. Structure and evolution of the Kenya rift valley. Nature 229, 538-542.
4. Bosworth, W., 1987. Off-axis volcanism in the Gregory rift, East Africa: Implications for models of continental rifting. Geology 15, 397-400.
5. Dahlheim, H.A., Davis, P.M., Achauer, U., 1989. Teleseismic investigation of the East African rift, Kenya. J. Afr. Earth Sci. 8, 461-470.
6. Dawson, P.B., Evans, J.R., Iyer, H.M., 1990. Teleseismic tomography of the compressional wave structure beneath the Long Valley region, California. J. Geophys. Res. 95, 11021-11050.
7. Evans, J.R., Zucca, J.J., 1988. Active high-resolution seismic tomography of compressional wave velocity and attenuation structure at Medicine Lake volcano, northern California. J. Geophys. Res. 93, 15016-15036.
8. Evans, J.R., Achauer, U., 1993. Teleseismic velocity tomography using the ACH method: Theory and application to continental-scale studies. In: Iyer, H.M., Hirahara, K. (Eds.), Seismic Tomography: Theory and Practice, Chapman and Hall, London, pp. 319-360.
9. Goles, G.G., 1975. Basalts of unusual composition from the Chyulu Hills, Kenya. Lithos 8, 47-58.
10. Granet, M., Stoll, G., Dorel, J., Achauer, U., Poupinet, G., Fuchs, K., 1995. Massif Central (France): new constraints on the geodynamical evolution from teleseismic tomography. Geophys. J. Int. 121, 33-48.
11. Griffiths, D.H., 1972. Some comments on the results of a seismic refraction experiment in the Kenya rift. Tectonophysics 15, 151-156.
12. Haug, G.H., Strecker, M.R., 1995. Volcano-tectonic evolution of the Chyulu Hills and implications for the regional stress field in Kenya. Geology 23, 165-168.
13. Henjes-Kunst, F., Altherr, R., 1992. Metamorphic petrology of xenoliths from Kenya and northern Tanzania and implications for geotherms and lithospheric structures. J. Petrol. 33, 1125-1156.
14. Hetzel, R., Strecker, M., 1994. Late Mozambique belt structures in western Kenya and their influence on the evolution of the Cenozoic Kenya rift. J. Struct. Geol. 16, 189-201.
15. Karson, J.A., Curtis, P.C., 1989. Tectonic and magmatic processes in the eastern branch of the East African rift and implications for magmatically active continental rifts. J. Afr. Earth Sci. 8, 431-453.
16. Keller, G.R., Prodehl, C., Mechie, J., Fuchs, K., Khan, M.A., Maguire, P.K.H., Mooney, W.D., Achauer, U., Davis, P.M., Meyer, R.P., Braile, L.W., Nyambok, I.O., Thompson, G.A., 1994. The East African Rift System in the light of KRISP 90. In: Prodehl, C., Keller, G.R., Khan, M.A. (Eds.), Crustal and Upper Mantle Structure of the Kenya Rift. Tectonophysics 236, 465-483.
17. Kennett, B.L.N. (Ed.), 1991. IASPEI 1991 seismological tables. Canberra, 167 pp.
18. Khan, M.A., Mansfield, M., 1971. Gravity measurements in the Gregory rift. Nature 229, 72-75.
19. KRISP Working Group, 1995. Group takes a fresh look at the lithosphere underneath southern Kenya. EOS 76, 73-82.
20. Macdonald, R., 1994. Petrological evidence regarding the evolution of the Kenya Rift Valley. In: Prodehl, C., Keller, G.R., Khan, M.A. (Eds.), Crustal and Upper Mantle Structure of the Kenya Rift. Tectonophysics 236, 373-390.
21. Maguire, P.K.H., Long, R.E., 1976. The structure of the western flank of the Gregory rift (Kenya). Part I The crust. Geophys. J. R. Astron. Soc. 44, 661-675.
22. Menke, W., 1984. Geophysical Data Analysis: Discrete Inverse Theory. Academic Press, Orlando, FL, 260 pp.
23. Morley, C.K., Wescott, W.A., Stone, D.M., Harper, R.M., Wigger, S.T., Karanja, F.M., 1992. Tectonic evolution of the northern Kenya rift. J. Geol. Soc. 149, 333-348.
24. Mueller, St., Bonjer, K.-P., 1973. Average structure of the crust and mantle in East Africa. Tectonophysics 20, 283-293.
25. Novak, O., Prodehl, C., Jacob, B., Okoth, W., 1997a. Crustal structure of the southeastern flank of the Kenya rift deduced from wide-angle P-wave data. In: Fuchs, K., Altherr, R., Müller, B., Prodehl, C. (Eds.), Structure and Dynamic Processes in the Lithosphere of the Afro-Arabian Rift System. Tectonophysics 278, 171-186 (this volume).
26. Novak, O., Ritter, J.R.R., Altherr, R., Garacic, V., Volker, F., Kluge, C., Kaspar, T., Byrne, G.F., Sobolev, S.V., Fuchs, K., 1997b. An integrated model for the deep structure of the Chyulu Hills volcanic field, Kenya. In: Fuchs, K., Altherr, R., Müller, B., Prodehl, C. (Eds.), Structure and Dynamic Processes in the Lithosphere of the Afro-Arabian Rift System. Tectonophysics 278, 187-209 (this volume).
27. Omenge, J.M., Okelo, R.E., 1992. Geology of the Chyulu-Oloitokitok area. Mines and Geology Department Nairobi, Rep. 112, 51 pp.
28. Prodehl, C., Jacob, A.W.B., Thybo, H., Dindi, E., Stangl, R., 1994. Crustal structure on the northeastern flank of the Kenya rift. In: Prodehl, C., Keller, G.R., Khan, M.A. (Eds.), Crustal and Upper Mantle Structure of the Kenya Rift. Tectonophysics 236, 271-290.
29. Prodehl, C., Ritter, J.R.R., Mechie, J., Keller, G.R., Khan, M.A., Jacob, B., Fuchs, K., Nyambok, I.O., Obel, J.D., Riaroh, D., 1997. The KRISP 94 lithospheric investigation of southern Kenya - the experiments and their main results. In: Fuchs, K., Altherr, R., Müller. B., Prodehl, C. (Eds.), Structure and Dynamic Processes in the Lithosphere of the Afro-Arabian Rift System. Tectonophysics 278, 121-147 (this volume).
30. Ritter, J.R.R., Achauer, U., 1994. Crustal tomography in the central Kenya rift. In: Prodehl, C., Keller, G.R., Khan, M.A. (Eds.), Crustal and Upper Mantle Structure of the Kenya Rift. Tectonophysics 236, 291-304.
31. Saggerson, E.P., 1963. Geology of the Simba-Kibwezi area. Geological Survey of Kenya, Rep. 58, 70 pp.
32. Smith, M., Mosley, P., 1993. Crustal heterogeneities and basement influence on the development of the Kenya Rift, East Africa. Tectonics 12, 591-606.
33. Smith, W.H.F., Wessel, P., 1990. Gridding with continuous curvature splines in tension. Geophysics 55, 293-305.
34. Williams, L.A.J., 1978. Character of Quaternary volcanism in the Gregory rift valley. In: Bishop, W.W. (Ed.), Geological Background to Fossil Man. Scottish Academic Press, Edinburgh, pp. 55-69.