Publications

Academic Papers (last updated 11/09)

Refereed Journal Publications

• Hansen, S., A. A. Nyblade, and J. Julia, (2008) Estimates of Crustal and Lithospheric Thickness in Sub-Sahara Africa from S-wave Receiver Functions, South African Journal of Geology, in press.
• Julia, J., A. Nyblade, R. Durrheim, L. Linzer, R. Gok, W. Walter, S. Spottiswoode, and P. Dirks, (2008) A Wadati Filter for Mine-induced Seismicity, South African Journal of Geology, in press.
• Jemberie, A., and A. Nyblade, Lateral variations in intrinsic and scattering Q near 1 Hz in the crust of the Tanzanian craton and adjacent mobile belts, Bull. Seis. Soc. Am., in press.
• Kgaswane, E.M., A. Nyblade, J. Julia, P. Dirks, R. Durrheim, and M. Pasyanos, (2008) Shear Wave Velocity Structure of Southern African Crust: Evidence for Compositional Heterogeneity within Archaean Proterozoic Terrains, Journal of Geophysical Research, in press .
• Kim, S., C. Baag, and Nyblade, Crustal Velocity Structures of Rukwa Rift Zone in the Western Branch of East African Rift System, S. Afr. J. Geol., in press.
• Mulibo, G. D., and A. Nyblade, (2008) The Origin of Earthquake Swarms Along the Eastern Branch of the East African Rift System in Tanzania, South African Journal of Geology, in press.
• Tugume F., and A. Nyblade, (2008) The Depth Distribution of Seismicity at the Northern End of Rwenzori Mountains: Implications for Heat Flow in the Western Rift, Uganda, South African Journal of Geology, in press
• Dugda, M., A. Nyblade and J. Julia, S-wave velocity structure of the crust and upper mantle beneath Kenya in comparison to Tanzania and Ethiopia: Implications for the formation of the East African and Ethiopian Plateaus, S. Afr. J. Geol., in press.
• Mavonga, G.T. and R.J. Durrheim, (2009) Probabilistic seismic hazard assessment for the Democratic Republic of Congo and surrounding areas, Western Rift Valley of Africa. S. Afr. J. Geol., in press.
• Kgarume, TE, SM Spottiswoode and RJ Durrheim, (2009) Statistical properties of mine tremor aftershocks, Pure and Applied Geophysics, in press.
• Spottiswoode, SM, RJ Durrheim and I Saunders, (2009) Mining-related earthquakes in South Africa: induced, triggered or tectonic? Pure and Applied Geophysics, in press.
• Nyblade, A., (2009) The upper mantle low velocity anomaly beneath Ethiopia, Kenya and Tanzania: Constraints on the origin of the African Superswell in eastern Africa and plate versus plume models of mantle dynamics,  in Volcanism and the Evolution of the African Lithosphere, GSA special publication, ed. L. Beccaluva, G. Bianchini, M. Wilson, in press.
• Dirks, P., (2009) Cratonic extension and Archean gold mineralization in the Sheba-Fariview mine, South African Journal of Geology, in press.
• Julia, J., A. Nyblade, S, R. Durrheim, L. Linzer, R. Gok, P. Dirks, and W. Walter, (2009) Source mechanisms of mine-related seismicity, Savuka Mine, South Africa, Bull. Seis. Soc. Am., doi: 10.1785/0120080334.
  
• Hansen, S., A. Nyblade, J. Julia, P. Dirks and R. Durrheim, (2009) Upper-mantle low-velocity zone structure beneath the Kaapvaal craton from S-wave receiver functions, Geophysical Journal International, doi:10.1111/j.1365-246X.2009.04178.x.
• Huerta, A., A. Nyblade, and A. Reusch, (2009) Mantle Transition Zone StructSure Beneath Kenya and Tanzania: MoreEvidence for a Deep-Seated Thermal Upwelling in the Mantle , Geophysical Journal International, doi:10.1111/j.1365-246X.2009.04092.x.
• Mayshree, S, A. Kijko, and R. Durrheim, (2009) Seismotectonic Models for South Africa: Synthesis of Geoscientific Information, Problems, and the Way Forward, Seismological Research Letters, 80,71- 80.
• Bastow, I.D., A. Nyblade, G.W. Stuart, T.O. Rooney, and M.H. Benoit, (2008) Upper Mantle Seismic Structure Beneath the Ethiopian Hotspot: Rifting at the Edge of the African Superplume Rifting at the Edge of the African Low Velocity Anomaly, Geochemsitry, Geophysics, and Geosystems (G-cubed), doi:10.1029/2008GC002107.
• Pasyanos, M. E., and A. A. Nyblade, (2007) A Top to Bottom Lithospheric Study of Africa and Arabia, Tectonophysics, 444, 27–44 .
  

Papers in Conference Proceedings

• Durrheim, R., P. Dirks, A. Nyblade, G. Graham, S. Webb, and M. Jones, AfricaArray: Aims, achievements and future activities, 11th South African Geophysical Association Biennial Technical Meeting and Exhibition, Extended Abstract.
• Julia, J., A. Nyblade, R. Gok, W. Walter, L. Linzer, R. Durrheim, Developing and Exploiting a Unique Dataset From South African Gold Mines for Source Characterization and Wave Propagation, Proceedings of the 31th Research Review on Nuclear Explosion Monitoring, Tucson, AZ. paper 25.
• Kassa, B., J. Julia, A. Nyblade, and R. Durrheim, Source mechanisms of mining-related seismic events in the Far West Rand, South Africa, 11th South African Geophysical Association Biennial Technical Meeting and Exhibition, Extended Abstract.
• Durrheim, RJ ,(2008) Keynote plenary address: Rock Engineering for deep and high stress mining: risks, research, implementation and regulation, In New Challenges and Visions for Mining: Proceedings of the 21st World Mining Congress & Expo, 7-11 September 2007, Krakow, Poland, EJ Sobczyk and J Kicki (eds), CRC Press/Balkema, Leiden, pp. 51-64. ISBN: 978-0-415-48667-5.
• Julia, J., Nyblade, A. A., R. Gok, W. Walter, L. Linzer and R. Durrheim, (2008) Developing and exploiting a unique seismic data set from South African gold mines for source characterization and wave propagation, Proceedings of the 30th Seismic Research Review on Nuclear Explosion Monitoring, Virginia Beach, VA, paper 1-10, 87-97.
• Nyblade, A. A., W. Walter, R. Gok, L. Linzer and R. Durrheim, (2007) Developing and exploiting a unique seismic data set from South African gold mines for source characterization and wave propagation, Proceedings of the 29th Seismic Research Review on Nuclear Explosion Monitoring, Denver, CO, paper 1-19.
• Nyblade, A. A., W. Walter, and R. Gok, (2006) Developing and Exploiting a Unique Seismic Data Set from South African Gold Mines for Source Characterization and Wave Propagation, Proceedings of the 28th Seismic Research Review on Nuclear Explosion Monitoring, Orlando, FL, paper 1-19.

Submitted Papers

• Brandt, M., S. Grand, A. Nyblade, and P. Dirks, Upper Mantle Seismic Structure beneath Southern Africa  – Constraints on the Buoyancy Supporting the African Superswell, J. Geophys. Res., in review.

Other Journal Publications

• Nyblade, A., P. Dirks, R. Durrheim, S. Webb, M. Jones, G. Cooper, G. Graham, (2008) AfricaArray: Developing a Geosciences Workforce for Africa's Natural Resource Sector, The Leading Edge, vol. 27, pages 1358-1361.
• Durrheim, R., (2008) AfricaArray, Quest, Vol. 4, pages 14-15.
• Dirks, P., (2006) AfricaArray: Building a Scientific Workforce for Africa’s Natural Resources Sector, Traders African Business Journal, 25, 54-55.
• Dirks, P., (2005) AfricaArray: Developing the Continent's Natural Resources, Petroleum Economist, September issue.

 

For more information please contact:
Dr. Andrew Nyblade, Department of Geosciences, The Pennsylvania State University, University Park, PA 16802
Email: aan2@.psu.edu | Telephone: 814.863.8341

Dr. Paul Dirks, School of Geosciences, University of the Witwatersrand, Private Bag 3 Wits 2050, Johannesburg, South Africa
Email: paul.dirks@wits.ac.za | Telephone: +27 11 717-6547