List of southern African succulent plants GF Smith, EJ Van Jaarsveld, TH Arnold, FE Steffens, RD Dixon, JA Retief
Umdaus Press, 1997
61 1997 Manganvesuvianite and tweddillite, two new Mn3+ -silicate minerals from the Kalahari manganese fields, South Africa T Armbruster, E Gnos, R Dixon, J Gutzmer, C Hejny, N Dobelin, ...
Mineralogical Magazine 66 (1), 137-150, 2002
52 2002 Hennomartinite and kornite, two new Mn3+ rich silicates from the Wessels mine, Kalahari, South Africa T Armbruster, R Oberhänsli, V Bermanec, R Dixon
Schweizerische Mineralogische und Petrographische Mitteilungen 73 (3), 349-355, 1993
48 1993 Comprehensive two-dimensional gas chromatography time of flight mass spectrometry (GC× GC-TOFMS) for environmental forensic investigations in developing countries J De Vos, R Dixon, G Vermeulen, P Gorst-Allman, J Cochran, E Rohwer, ...
Chemosphere, 2011
44 2011 Sugilite and associated metamorphic silicate minerals from Wessels Mine, Kalahari manganese field RD Dixon
Bulletin of the Geological Survey of South Africa 93, 1-47, 1989
42 1989 Sugilite and associated metamorphic silicate minerals from Wessels Mine, Kalahari Manganese Field R Dixon
University of Cape Town, 1988
42 1988 The Kalahari manganese field: an update KL Von Bezing, RD Dixon, D Pohl, G Cavallo
Mineralogical Record 22 (4), 279-297, 1991
38 1991 Geochemical identification of episodes of gold mineralisation in the Barberton Greenstone Belt, South Africa MAH Altigani, RKW Merkle, RD Dixon
Ore Geology Reviews 75, 186-205, 2016
25 2016 Global developments in forensic geology RM Di Maggio, LJ Donnelly, KS Al Naimi, PM Barone, FADS Salvador, ...
Episodes Journal of International Geoscience 40 (2), 120-131, 2017
19 2017 Sugilite and associated minerals from Wessels mine, Kalahari manganese field RD Dixon
South African Journal of Geology 88 (1), 11-17, 1985
19 1985 Nchwaningite, D Nyfeler, T Armbruster, R Dixon, V Bermanec
American Mineralogist 80 (3-4), 377-386, 1995
18 1995 Distinguishing between legally and illegally produced gold in South Africa RJ Roberts, RD Dixon, RKW Merkle
Journal of forensic sciences 61, S230-S236, 2016
17 2016 Volcanic ash, ash soils and the inferred Quaternary climate of sub-Antarctic Marion Island KH Gribnitz, LE Kent, RD Dixon
South African Journal of Science, 1986
13 1986 Metal resistant bacteria on gold particles: Implications of how anthropogenic contaminants could affect natural gold biogeochemical cycling SK Sanyal, J Brugger, B Etschmann, SM Pederson, PWJ Delport, R Dixon, ...
Science of the Total Environment 727, 138698, 2020
7 2020 The use of chlorine, bromine and fluorine in detecting a buried Cu-Zn orebody along the zinc-line in the Murchison range, South Africa C Frick, SW Strauss, R Dixon
Journal of Geochemical Exploration 34 (1), 83-102, 1989
7 1989 Material mixing in shock-induced pseudotachylites, Vredefort impact structure, South Africa E Kovaleva, MS Huber, R Dixon
Lithos 370, 105621, 2020
5 2020 The role of forensic geology in the illicit precious metals trade R Dixon, R Schouwstra
Episodes Journal of International Geoscience 40 (2), 132-140, 2017
5 2017 Provenance of illicit gold with emphasis on the Witwatersrand basin RD Dixon
University of Pretoria, 2014
5 2014 Properties of impact-related pseudotachylite and associated shocked zircon and monazite in the upper levels of a large impact basin: a case study from the Vredefort impact … E Kovaleva, R Dixon
Minerals 10 (12), 1053, 2020
4 2020 Identifying the source of illicit gold from South America RD Dixon, RKW Merkle
3 2021 
Roland K W MerkleProfessor, Geology, University of PretoriaVerified email at up.ac.za
