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Xade Complex

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Journal Article
Published: 01 December 2012
South African Journal of Geology (2012) 115 (4): 485–498.
...B. CORNER; D.R. VERRAN; P.R. HILDEBRAND Abstract The Xade Mafic Complex, situated in central Botswana, was identified during the first regional aeromagnetic survey of the country in 1975–77. It is covered by sedimentary rocks of the Kalahari Group and Karoo Supergroup, including Karoo lavas...
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Journal Article
Published: 01 December 2008
South African Journal of Geology (2008) 111 (4): 345–356.
...G. Pouliquen; R.M. Key; A. Walker Abstract The Xade Complex is an unexposed Y-shaped body, approximately 100 km long and 25 km wide, located close to the western margin of the Kaapvaal craton in Botswana. The complex is characterized by large coincident magnetic and gravity anomalies...
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Depth of the base of the <span class="search-highlight">Xade</span> <span class="search-highlight">complex</span> obtained by 3D inversion of the gravi...
Published: 01 December 2008
Figure 3. Depth of the base of the Xade complex obtained by 3D inversion of the gravity anomaly.
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(B and W): 2D modelled gravity and magnetic responses over the <span class="search-highlight">Xade</span> <span class="search-highlight">complex</span>...
Published: 01 December 2008
Figure 4. (B and W): 2D modelled gravity and magnetic responses over the Xade complex along the seismic line KG-01. The bases of the complex obtained with three different density contrasts have been overlaid on the seismic line.
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Total Magnetic Intensity (TMI) anomaly map of the Central Kalahari region (...
Published: 01 December 2010
Xade Complex. Kimberlite fields: J – Jwaneng, K – Kokong.
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Depths to the <span class="search-highlight">Xade</span> Mafic <span class="search-highlight">Complex</span>. An outline of the interpreted <span class="search-highlight">complex</span> is ...
Published: 01 December 2012
Figure 4 Depths to the Xade Mafic Complex. An outline of the interpreted complex is overlaid. Locations of depths derived from 2D Euler deconvolution are shown as black dots.
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Residual Bouguer Gravity image covering the <span class="search-highlight">Xade</span> Mafic <span class="search-highlight">Complex</span>. The gravity...
Published: 01 December 2012
Figure 2 Residual Bouguer Gravity image covering the Xade Mafic Complex. The gravity stations are shown as black dots (DGS data). All boreholes drilled to date into the complex are shown.
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Regional setting of the <span class="search-highlight">Xade</span> and Tsetseng <span class="search-highlight">complex</span> ( a ) and airborne magnet...
Published: 01 December 2008
Figure 1. Regional setting of the Xade and Tsetseng complex ( a ) and airborne magnetic anomaly of Botswana ( b ).
Journal Article
Published: 01 December 2012
South African Journal of Geology (2012) 115 (4): 415–416.
... ores from a variety of perspectives. Branko Corner, Dale Verran and Peter Hildebrand have contributed a geophysical exploration of the Xade Complex, a ca. 1100 Ma magmatic sulphide prospect in the subsurface of Botswana, overlain by Karoo and Kalahari cover. Wolf Maier, Marco Andreoli, David Groves...
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Reduced-to-the-Pole (RTP) aeromagnetic image covering the <span class="search-highlight">Xade</span> Mafic Comple...
Published: 01 December 2012
Figure 1 Reduced-to-the-Pole (RTP) aeromagnetic image covering the Xade Mafic Complex. The flight line spacing was 200 m, north-south, and the grid interval 50 m (DGS data). All boreholes drilled to date into the complex are shown.
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( a ) Derived interpretation map showing the sub-Karoo Northern and Souther...
Published: 01 December 2012
Figure 3 ( a ) Derived interpretation map showing the sub-Karoo Northern and Southern Lobes of the Xade Mafic Complex, as well as overlying Karoo basalts. Boreholes XD09-01, 02 and 03 were drilled in the current program. ( b ) Legend to the derived interpretation map shown in Figure 3a .
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Geophysical data over the <span class="search-highlight">Xade</span> and Tsetseng <span class="search-highlight">complexes</span>. ( a ) High resolutio...
Published: 01 December 2008
Figure 2. Geophysical data over the Xade and Tsetseng complexes. ( a ) High resolution magnetic anomaly (total magnetic intensity, reduced to the pole). ( b ) Magnetic anomaly first vertical derivative. ( c ) Magnetic lineaments overlaid on the geological map (the legend refers to Groups
Journal Article
Published: 01 December 2010
South African Journal of Geology (2010) 113 (4): 381–400.
... – Xade Complex. Kimberlite fields: J – Jwaneng, K – Kokong. ...
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Journal Article
Published: 01 June 2021
South African Journal of Geology (2021) 124 (2): 421–442.
... Complexes of southern Botswana contain abundant gabbronorite, a variety of ultramafic lithologies, and some anorthosite. Geophysical studies show that the Xade Complex may be as large as one-third the size of the Bushveld Complex ( Corner et al., 2012 ). Coeval felsic volcanic rocks, mainly rhyolites...
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Journal Article
Published: 01 March 2018
South African Journal of Geology (2018) 121 (1): 1–22.
... gravity anomalies evident along the Kalahari Lineament are likely to be mafic or ultramafic sources, probably Mesoproterozoic in age by comparison with the nearby Xade Complex in central Botswana ( Hanson et al., 2004 , Cornell et al., 2004, Corner et al., 2012). The northern boundary of the craton...
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Journal Article
Published: 01 December 2017
Journal of the Geological Society (2018) 175 (2): 210–228.
... . Geological Society , London , 833 – 844 , https://doi.org/10.1144/0060833 Pouliquen , G. , Key , R.M. & Walker , A. 2008 . The internal structure and geotectonic setting of the Xade and Tsetseng complexes in the western most part of the Kaapvaal Craton . South African Journal...
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Series: Geological Society, London, Special Publications
Published: 01 January 2017
DOI: 10.1144/SP457.4
EISBN: 9781786203380
...) and Wingate (2001) on the Umkondo dolerite sills, Timbavati Gabbro, Post-Waterberg dolerite sill, dolerite intruding Archaean basement, and the Barnardskop and Xade Complexes led to the recognition of the broadly synchronous ULIP ( Hanson et al . 2004 , 2006 ). Other units correlated with the ULIP include...
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Series: Special Publication
Publisher: Society of Economic Geologists (SEG)
Published: 01 January 2018
DOI: 10.5382/SP.21.10
EISBN: 9781629496405
... source was the basaltic rocks of the underlying Kgwebe Formation and associated mafic to ultramafic intrusive rocks of the Umkondo Large Igneous Province that occur south of the Kalahari Copperbelt (i.e., Xade Complex, Fig. 1 ). As mineral exploration has focused on the base of the D’Kar Formation...
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