Research in Structural Geology & Tectonics

Turkana Rift ­ Eastern Branch, East African Rift

A geological transect across a Basin & Range-style extensional terrane in northern Kenya.

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Selected Publications

Furman, T., J. Bryce, J.A. Karson, and A. Iotti, Geochemistry of Quaternary mafic lavas from Turkana, Kenya: Evidence for a common asthenospheric source beneath the East African Rift system, J. Petrology., in final preparation, July 2001.

Dunkelman, T.J., Karson, J.A. and Rosendahl, B.R., 1988. Structural Style of the Turkana Rift, Kenya, Geology, v. 16, p. 258-261.

Bloomer, S.H., Curtis, P.C. and Karson, J.A.., 1989. Geochemical Variation of Quaternary Basaltic Volcanics in the Turkana Rift, Northern Kenya, In: Rifting in Africa: Karroo to Recent, edited by B.R. Rosendahl, J.J.W. Rogers, and N.M. Rach, Journal of African Earth Sciences, Special Volume, v. 8, p. 511-532.

Dunkelman, T.J., Rosendahl, B.R. and Karson, J.A.., 1989. The Structural and Stratigraphic Evolution of Lake Turkana, Kenya, As Deduced from Multichannel Reflection Data, In: Rifting in Africa: Karroo to Recent, edited by B.R. Rosendahl, J.J.W. Rogers, and N.M. Rach, Journal of African Earth Sciences, Special Volume, v. 8, p. 489-510.

Karson, J.A.. and Curtis, P.C., 1989. Tectonic and Magmatic Processes in the Eastern Branch of the East African Rift and Implications for Magmatically Active Continental Rifts, In: Rifting in Africa: Karroo to Recent, edited by B.R. Rosendahl, J.J.W. Rogers, and N.M. Rach, Journal of African Earth Sciences, Special Volume, v. 8, p. 431-453.

Karson, J.A. and Curtis, P.C., 1990. Quaternary Volcanic Centers in Lake Turkana, Geological Survey of Kenya, Open File Report No. 5246, 55 pp. plus 3 large format maps.

Karson, J.A. and Curtis, P.C., 1994. Axial Quaternary Volcanic Centers in the Turkana Rift, N. Kenya, Journal of African Earth Sciences, v. 18, p. 15-35.

Abstracts

Curtis, P.C. and Karson, J.A.., 1984. Quaternary Volcanism and Tectonics, Lake Turkana, East African Rift, American Geophysical Union, Fall Meeting (San Francisco), Eos, v. 65, p. 1116.

Curtis, P.C., Bloomer, S.H. and Karson, J.A.., 1985. Petrology and Geochemistry of Volcanic Rocks from the Lake Turkana Region, Northern Kenya, American Geophysical Union, Spring Meeting (Baltimore), Eos, v. 66, p. 418.

Karson, J.A.., Bloomer, S.H., Curtis, P.C., Dunkelman, T., Rosendahl, B.R. and Project PROBE, 1985. Quaternary Tectonics and Volcanism in the Turkana Region, Gregory Rift, Kenya, Continental Extensional Tectonics Meeting, Durham, England, April 1985.

Curtis, P.C., Bloomer, S.H. and Karson, J.A.., 1986. Structure and Petrology of Central Island, Lake Turkana, Kenya, American Geophysical Union, Fall Meeting (San Francisco), Eos, v. 67, p. 1250.

Karson, J.A.., 1992. Segment Boundaries in Oceanic and Continental Rifts: Geometry and Kinematics of Transfer Zones, American Geophysical Union, Spring Meeting (Montreal), Eos, v. 73, p. 286.

Karson, J.A.., Hurst, S.D. and Jarvis, D.G., 1992. Cenozoic Detachment Faulting in the Turkana Rift, Kenya, American Geophysical Union, Spring Meeting (Montreal), Eos, v. 73, p. 311.

Karson, J.A.., Hurst, S.D., and Walter, R.C., 1993. Footwall Deformation Associated with Cenozoic Detachment Faulting in the Turkana Rift, Kenya: Record of Low-Angle Slip, Geological Society of America, Annual Meeting (Boston), Abstracts with Programs v. 25, p. A474.

Karson, J.A.. and Petrina, C.H., 1993. Asymmetric Rifting in East Africa: Evolution of Faulting and Magmatic Construction Across the Turkana Rift, Kenya, Geological Society of America, Annual Meeting (Boston), Abstracts with Programs v. 25, p. A410.

Karson, J.A., 1994. New Views of Some Classical Extensional Terranes, Workshop on the Antarctic Rift and Trans-Antarctic Mountains (Estes Park, CO), April 1994.