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10th SAGA Biennial Technical Meeting and Exhibition
- Conference date: 22 Oct 2007 - 26 Oct 2007
- Location: Wild Coast, South Africa
- Published: 22 October 2007
62 results
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CSIR Natural Resources and the Environment
More LessAuthors D. Vogt and T. NyareliSummary not available
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Using BHR for predictive resource elevation models
More LessAuthors A. Wolmarans, I. Mason and J. HarveySummary not available
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Some Aspects of Aftershock Sequences of Major Earth-Quakes from 1994 to 2002 and an Estimate of the Attenuation Relationship for Strong Ground Motion in the Kivu Province, Western Rift Valley of Africa
More LessBy G.M. TulukaThe spatial distribution of the aftershock sequences of the (, Mb5.8), Masisi (, Mb5.1)
and Kalehe (, Mb5.9) earthquakes have been studied. From the area delimited by the
spatial distributions of aftershocks, the linear dimensions of the faults were estimated.
The fault area determined in this study correlates well with those of previous studies in
the Western Rift Valley of Africa including the and Upemba Rift.
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Aftershock Decay Rates of Mine Seismic Events
More LessAuthors T. Kgarume and S. SpottiswoodeSummary not available
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Improving Coverage with Borehole Radar
More LessAuthors A. Bray, T. Sindle, I. Mason, K. Palmer, J. Cloete, J. Steenkamp, P. du Pisani and K. TrofimczykSummary not available
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Electrical and seismic anisotropy of the lithosphere of southern Africa
More LessSummary not available
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Lithospheric Structure of the Rehoboth Terrane, Southern Africa, from Broadband MT
More LessSummary not available
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Risk mitigation through geophysics
More LessBy A. KingThis work represents a collation of a subset of the work being carried out in Anglo American,
De Beers and related companies. Technology partners are an important part of this
equation.
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Some Reflections on the Airborne Geophysical Data Sets Recently Flown by CGS/SES in Gabon – West Central Africa
More LessAuthors D. Eberle, P. Cole, J. Mahanyele, T. Grace, C. Truffert and F. Zué EllaSummary not available
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Three dimensional gravity modeling of southern Africa
More LessVariations in crustal thickness make a
significant contribution to the Bouguer
gravity field that is largely counterbalanced
by compositionally dominated seismic
velocity variations in the upper mantle.
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IGCP Project 474: Images of the Earth’s Crust & Upper Mantle
More LessAuthors B. Goleby, L. Brown, R. Stephenson, T. Fomin and D. FinlaysonIGCP Project 474, is jointly funded by UNESCO and IUGS. IGCP Project 474
achieves its objective through its website http://www.earthscrust.org, where
images are available of the interior of the Earth's crust and upper mantle across a
variety of representative structural provinces from all parts of the globe.
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The Agulhas-Karoo Transect Seismic Reflection Profile: Revealing Secrets Under the Southern Karoo Basin of South Africa
More LessAuthors A.S. Lindeque, T. Ryberg, J. Stankiewicz, M.H. Weber and M.J. de WitOur understanding of the tectonic evolution of the Cape Fold Belt, southern Karoo Basin and associated geophysical
Beattie Magnetic Anomaly (BMA), may be challenged by the new ~ 100 km Near Vertical Reflection (NVR) seismic
image which reveals ~42 to 45 km of complex crust and a sharp crust-mantle transition. The 5 to 10 km upper crust
consists of dipping reflectors interpreted as the folded sequences of the Karoo Basin, underlain by continuous flat-lying
reflectors that represent the Cape Supergroup (CSG) which may contain thrusts.
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