Publications

Academic Papers (last updated May 1, 2013)

Refereed Journal Publications

2013

Bagley, B., and A. Nyblade, Seismic anisotropy in eastern Africa, mantle flow, and the African superplume, Geophysical Research Letters, Vol. 40, 1-6, doi: 10.1002/grl.50315.
El Tahir, N., A. Nyblade, J.Julià, and R. Durrheim, Crustal structure of the Khartoum Basin, Sudan, Tectonophysics, doi:10.1016/j.tecto.2013.02.032.
Hansen, S., and A. Nyblade, The deep seismic structure of the Ethiopia/Afar hotspot and the African superplume, Geophysical Journal International, doi:10.1093/gji/ggt116.
Julià, J., and A. Nyblade, Probing the upper mantle transition zone under Africa with P520s conversions: Implications for temperature and composition, Earth and Planetary Science Letters, 368, 151-162.
Malehmir, A., E. Koivisto, M. Manzi, S. Cheraghi, R. Durrheim, G. Bellefleur, C. Wijns, K. Hein, and N. King, A review of reflection seismic investigations in three major metallogenic regions: The Kevitsa Ni-Cu-PGE district (Finland), Witwatersrand goldfields (South Africa), and the Bathurst Mining Camp (Canada), Ore Geology Reviews, doi:10.1016/j.oregeorev.2013.01.003.
Manzi, M., K. Hein, N. King, and R. Durrheim, Neoarchaean tectonic history of the Witwatersrand Basin and Ventersdorp Supergroup: New constraints from high-resolution 3D seismic reflection data, Tectonophysics 590, 94-105.
O'Donnell, J.P., A. Adams, A. Nyblade, G. Mulibo, and F. Tugume, The uppermost mantle shear wave velocity structure of eastern Africa from Rayleigh wave tomography: constraints on rift evolution, Geophysical Journal International, doi:10.1093/gji/ggt135.

2012

Adams, A., A. Nyblade, and Dayanthie Weeraratne, Upper mantle shear wave velocity structure beneath the East African plateau: evidence for a deep, plateauwide low velocity anomaly, Geophysical Journal International, doi: 10.1111/j.1365-246X.2012.05373.x.
Brandt, M., Middle Mantle Seismic Structure of the African Superplume, Pure Appl. Geophys. 2012 Springer Basel AG , DOI 10.1007/s00024-012-0589-y.
Durrheim, RJ, Mitigating the risk of rockbursts in the deep hard rock mines of South Africa: 100 years of research, In Extracting the Science: a century of mining research, J. Brune (editor), Society for Mining, Metallurgy, and Exploration, Inc, ISBN: 978-0-87335-322-9, pp. 156-171.
Hansen, S., A. Nyblade, and Margaret Benoit, Mantle structure beneath Africa and Arabia from adaptively parameterized P-wave tomography: Implications for the origin of Cenozoic Afro-Arabian tectonism, Earth and Planetary Science Letters, 319-320 (2012) 23-24.
Kgaswane, E. A. Nyblade, R. J. Durrheim, J. Julià, P. Dirks, and S. Webb, Shear wave velolcity structure of the Bushveld Complex, South Africa, Tectonophysics, 554-557, 83-104.
Kim, S., A. Nyblade, J. Rhie, C. E. Baag, and T.S. Kang, Crustal S-wave velocity structure of the Main Ethiopian Rift from ambient noise tomography, Geophys. J. Int. (2012) 191, 865–878 doi: 10.1111/j.1365-246X.2012.05664.x.
Malehmir. S., RJ Durrheim, G. Bellefleur, M. Urosevic, C. Juhlin, DJ White, B. Milkereit, and G. Campbell, Seismic methods in mineral exploration and mine planning: A general overview of past and present case histories and a look into the future, Geophysics, Vol. 77, No. 5 (September-October 2012); P. WC173–WC190, 17 FIGS. 10.1190/GEO2012-0028.1.
Manzi, M., RJ Durrheim, Kim A.A. Hein, and N. King, 3D edge detection seismic attributes used to map potential conduits for water and methane in deep gold mines in the Witwatersrand basin, South Africa, Geophysics, Vol. 77, No 5, (September-October 2012); P. WC133-WC147, 10.1190/GEO2012-0135.1.
Manzi, M, M.A. S. Gibson, K. A. A. Hein, N. King, and R. J. Durrheim, Application of 3D seismic techniques to evaluate ore resources in the West Wits Line goldfield and portions of the West Rand goldfield, South Africa, Geophysics, Vol. 77, NO. 5 (September- October 2012); P. WC163–WC171, 11 FIGS. 10.1190/GEO2012-0133.1.
Riemer, KL, and RJ Durrheim, Mining seismicity in the Witwatersrand Basin: monitoring, mechanisms and mitigation strategies in perspective, Journal of Rock Mechanics and Geotechnical Engineering, 4 (3):228-249, doi: 10.3724/SP.J.1235.2012.00228.
Tugume, F, A. Nyblade, and J. Julià, Moho depths and Poisson’s ratios of Precambrian crust in East Africa: Evidence for similarities in Archean and Proterozoic crustal structure, Earth and Planetary Science Letters, 355-356, 73-81.

2011

Adams, A., and A. Nyblade, Shear Wave Velocity Structure of the Southern African
Upper Mantle with Implications for the Uplift of Southern Africa, Geophysical Journal International, 186, 808-824, doi: 10.1111/j.1365-246X.2011.05072.x.
Brandt, M, S. Grand, A. Nyblade, S. Grand, and P. Dirks, Upper Mantle SeismicStructure beneath Southern Africa: Constraints on the Buoyancy Supporting the African Superswell, Pure and Applied Geophysics, DOI 10.1007/s00024-011-0361-8.
Brandt, M., and I. Saunders, New Regional Moment Tensors in South Africa, Seismological Research Letters, doi: 10.1785/gssrl.82.1.69.
Durrheim, RJ, RL Anderson, A Cichowicz, R Ebrahim-Trollope, G Hubert, A Kijko, A McGarr, WD Ortlepp and N van der Merwe, Risks posed by large seismic events in the gold mining districts of South Africa, In Natural Disasters: Policy Issues and Mitigation Strategies, Andi Eka Sakya (ed.), Daya Publishing House, Delhi, ISBN 978-81-7035-759-9, chapter 7, pp. 83-99.
Mulugeta, G, R Durrheim, S Ayonghe, D Daby, OP Dube, F Gudyanga and F Lucio, ICSU ROA's science plan to address natural and human-induced environmental hazards and disasters in sub-Saharan Africa, In Natural Disasters: Policy Issues and Mitigation Strategies, Andi Eka Sakya (ed.), Daya Publishing House, Delhi, ISBN 978-81-7035-759-9, chapter 1, pp. 1-26.
Nyblade, A.A., 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 Beccaluva, L., Bianchini, G., and Wilson, M., eds., Volcanism and Evolution of the African Lithosphere: Geological Society of America Special Paper 478, p. 1–14, doi:10.1130/2011.2478(03).
Nyblade, A., R. Durrheim, P. Dirks, G. Graham, R. Gibson and S. Webb, Geoscience initiative develops sustainable science in Africa, EOS Trans. AGU, 92, 161-162.
Reusch, A.M., A. Nyblade, R. Tibi, D. Wiens, P. Shore, A., Bekoa, C. Tabod and J. Nnange, Mantle transition zone thickness beneath Cameroon: evidence for an upper mantle origin for the Cameroon Volcanic Line, Geophysical Journal International, doi: 10.1111/j.1365-246X.2011.05239.x.
Singh, M., A, Kijko, and R. Durrheim, First-order regional seismotectonic model for South Africa, Springer Science+Business Media B.V. doi: 10.1007/s11069-011-9762-3.
Tedla, G., M. van der Meijde, A. Nyblade and F. van der Meer, A crustal thickness map of Africa derived from a global gravity field model using Euler Deconvolution, Geophysical Journal International, 187, 1–9, doi: 10.1111/j.1365-246X.2011.05140.x.

2010

Boomer, K.B., R.A. Brazier and A. Nyblade, Empirically Based Ground Truth Criteria for Seismic Events Recorded at Local Distances on Regional Networks with Application to Southern Africa, Bulletin of the Seismological Society of America, doi: 10.1785/0120090237.
Dirks, P., J. Kibii, B. Kuhn, C. Steininger, S. Churchill, J. Kramers, R. Pickering, D. Farber, A. Meriaux, A. Herries, G. King, and L. Berger, Geological Setting and Age of Australopithecus sediba from Southern Africa, Science, Vol. 328, 205-208.
Mavonga, T., Crustal structure beneath two seismic broadband stations revealed from teleseismic P-wave receiver function analysis in the Virunga volcanic area, Western Rift Valley of Africa, Journal of African Earth Sciences, 58, 820-828.
Mavonga, T., S. Kavotha, N. Lukays, O. Etoy, W. Mifundu, R. Bizimungu, and J. Durieux, Some aspect of seismicity prior to the 27 November 2006 eruption of Nyamuragira volcano and its implication for volcano monitoring and risk mitigation in the Virunga area, Western Rift Valley of Africa, Journal of African Earth Sciences, 58, 829-832
Mavonga, T. N. Zana and R. Durrheim, Studies of crustal structure, seismic precursors to volcanic eruptions and earthquake hazard in the eastern provinces of the Democratic Republic of Congo, Journal of African Earth Sciences, 58, 623-633.
Reusch, A., A.A. Nyblade, D.A. Wiens and P.J. Shore, B. Ateba, C.T. Tabod, and J.M. Nnange, Upper mantle structure beneath Cameroon from body wave tomography and the origin of the Cameroon Volcanic Line, G-Cubed, doi.10.1029/2010GC003200.
Tokam, A.K., C.T. Tabod, A.A. Nyblade, J. Julia, D.A. Wiens, and M.E. Pasyanos, Structure of the crust beneath Cameroon, West Africa, from the joint inversion of Rayleigh wave group velocities and receiver functions, Geophysical Journal International doi: 10.1111/j.1365-246X.2010.04776.x.

2009

Amponsah, P.E., B.K. Banoeng-Yakubo, G.F. Panza and F. Vaccari (2009) Deterministic seismic ground motion modelling of the greater Accra metropolitan area, southeastern Ghana, South African Journal of Geology, Vol. 112, p.317-328.
Dugda, M., A. Nyblade and J. Julia ,(2009) 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, South African Journal of Geology, Vol. 112, p. 241-250.
Dirks, P.,E. G. Charlesworth and M.R. Munyai (2009) Cratonic extension and Archean gold mineralization in the Sheba-Fariview mine ,Barberton greenstone belt, South African Journal of Geology, Vol. 112, p. 291-316.
Durrheim, R.J. and A. Nyblade (2009) AfricaArray Special Volume - Introduction, South African Journal of Geology, Vol. 112, p. 209-212.
Delvaux, D. and A. Barth (2009) African stress pattern form formal inversion of focal mechanism data, Tectonophysics, 482, p. 105-128.
Gore, J., D.E. James, T. G. Zengeni and O. Gwavava (2009) Crustal structure of the Zimbabwe craton and the Limpopo belt of southern Africa, South African Journal of Geology, Vol. 112, p. 213-228.
Gwavava, O. and R.T. Ranganai (2009) The geology and structure of the Masvingo greenstone belt and adjacent granite plutons from geophysical data, Zimbabwe craton, South African Journal of Geology, Vol. 112, p. 277-290.
Hansen, S., A. A. Nyblade, and J. Julia, (2009) Estimates of Crustal and Lithospheric Thickness in Sub-Sahara Africa from S-wave Receiver Functions, South African Journal of Geology, Vol. 112, p. 229-240.
Julià, J., A. Nyblade, R. Durrheim, L. Linzer, R. Gok, W. Walter, S. Spottiswoode, and P. Dirks, (2009) A Wadati Filter for Mine-induced Seismicity, South African Journal of Geology, Vol. 112, p. 371-380.
Kim, S., C. Baag, and Nyblade,(2009) Crustal Velocity Structures of Rukwa Rift Zone in the Western Branch of East African Rift System, South African Journal of Geology, Vol. 112, p. 251-260.
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, South African Journal of Geology, Vol. 112, p. 329-342.
McGarr, A., M. Boettcher, J. Fletcher, R. Sell, M. Johnston, R. Durrheim, S. Spottiswoode, and A. Milev, Broadband Records of Earthquakes in Deep Gold Mines and a Comparison with Results from SAFOD, California, Bulletin of the Seismological Society of America, Vol. 99, No 5, pp. 2815-2824, doi: 10.1785/0120080336.
Mulibo, G. D., and A. Nyblade, (2009) The 1994-1995 Manyara and Kwamtoro earthquake swarms: Variation in depth extent of seismicity in northern Tanzania,, South African Journal of Geology, Vol. 112, p. 387-404.
Okal, E.A., H.M. Fritz and A. Sladen (2009) 2004 Sumatra-Andaman tsunami surveys in the Comoro Islands and Tanzania and regional tsunami hazard from future Sumatra events, South African Journal of Geology, Vol. 112, p.343-358.
Okal, E.A. and C.J. Harnady (2009) The South Sandwich Islands earthquake of 27 June 1929; seismological study and inference on tsunami risk for the South Atlantic, South African Journal of Geology Vol. 112, p. 359-370.
Shumba, B.T., D.J. Hlatywayo, and V. Midzi (2009) Focal mechanism solution of the 15th March 2008, Nyamandlovu earthquake, South African Journal of Geology, Vol. 112, p. 381-386.
Tugume, F., and A. Nyblade, (2009) epth Distribution of Seismicity at the Northern End of Rwenzori Mountains: Implications for Heat Flow in the Western Rift, Uganda, South African Journal of Geology, Vol. 112, p. 261-276.
Kgarume, TE, SM Spottiswoode and RJ Durrheim, (2009) Statistical properties of mine tremor aftershocks, Pure and Applied Geophysics, doi: 10.1007/s00024-009-0004-5.
Jemberie, A., and A. Nyblade,(2009) Intrinsic and Scattering Q near 1 Hz across the East African Plateau, Bulletin of the Seismological Society of America, doi: 10.1785/0120090062.
Kgaswane, E.M., A. Nyblade, J. Julia, P. Dirks, R. Durrheim, and M. Pasyanos, (2009) Shear Wave Velocity Structure of Southern African Crust: Evidence for Compositional Heterogeneity within Archaean Proterozoic Terrains, Journal of Geophysical Research, doi:10.1029/2008JB006217.
Julià, 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,. Bulletin of the Seismological Society of America 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.
Singh, M., 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.

2008

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.

2007

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

2010

Brazier, R., K. Boomer, and A. Nyblade, 2010, Establishing and validating empirically-based ground truth criteria for seismic events located using regional networks Proceedings of the 32nd Research Review on Nuclear Explosion Monitoring, Orlando, FL. Paper 3-02, p. 259-267.
Durrheim, R., H. Ogasawara, M. Nakatani, Y. Yabe, A. Milev, A. Cichowicz, H. Kawakata, H. Moriya and the SATREPS research group, Observational studies to mitigate seismic risks in mines: a new Japanese-South African collaborative research project, Proceedings of the 5th International Seminar on Deep and High Stress Mining, 6-8 October 2010, Santiago, Chile, Edited by M. Van Sint Jan and Y. Potvin, Australian Centre for Geomechnics, pp. 215-226, ISBN: 978-0-9806154-5-6.
Durrheim, R, Mitigating the risk of rockbursts in the deep hard rock mines of South Africa: 100 years of research, Extracting the Science: a century of mining research, J. Brune (editor), Society for Mining, Metallurgy, and Exploration, Inc., pp. 156-171, ISBN: 978-0-87335-322-9.
Julià, J., A. Nyblade, R. Gok, W. Walter, L. Linzer, R. Durrheim, 2010, Developing and Exploiting a Unique Dataset From South African Gold Mines for Source Characterization and Wave Propagation, Proceedings of the 32nd Research Review on Nuclear Explosion Monitoring, Orlando, FL. Paper 4-05, p. 398-407.
Kgarume, T., S. Spottiswoode, and R. Durrheim, Deterministic properties of mine tremor aftershocks, Proceedings of the 5th International Seminar on Deep and High Stress Mining, 6-8 October 2010, Santiago, Chile, Edited by M. Van Sint Jan and Y.Potvin, Australian Centre for Geomechnics, pp.215-226, ISBN:978-0-9806154-5-6.

2009

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.
Julià, 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.

2008

Durrheim, RJ , 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.
Julià, J., Nyblade, A. A., R. Gok, W. Walter, L. Linzer and R. Durrheim, 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.

2007

Nyblade, A. A., W. Walter, R. Gok, L. Linzer and R. Durrheim, 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.

2006

Nyblade, A. A., W. Walter, and R. Gok, 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.