1. Carbonate volcanism in Calatrava, Central Spain: a report on the initial findings;Bailey;Mineralogical Magazine,2005
2. Breccia pipe near Cameron, Arizona;Barrington;Geological Society of America Bulletin,1961
3. The geology of the areas surrounding the Venetia kimberlite pipes, Limpopo Belt, South Africa: a complex interplay of nappe tectonics and granitoid magmatism;Barton;South African Journal of Geology,2003
4. Basson, I.J., 2004. Country rock map of the Venetia open pit (1: 2000 scale), unpublished map.
5. Basson, I.J., Barnett, W.P., 2007. Structural analysis of host rocks to the Venetia kimberlite pipes, Central Zone, Limpopo Belt, South Africa, unpublished report.