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 Döbelin, ...
Mineralogical Magazine 66 (1), 137-150, 2002
60 2002 List of southern African succulent plants GF Smith, EJ Van Jaarsveld, TH Arnold, FE Steffens, RD Dixon, JA Retief
Umdaus Press, 1997
60 1997 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
49 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
46 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
44 1989 Sugilite and associated metamorphic silicate minerals from Wessels Mine, Kalahari Manganese Field R Dixon
University of Cape Town, 1988
44 1988 The Kalahari manganese field: an update KL Von Bezing, RD Dixon, D Pohl, G Cavallo
Mineralogical Record 22 (4), 279-97, 1991
37 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
27 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 Distinguishing between legally and illegally produced gold in South Africa RJ Roberts, RD Dixon, RKW Merkle
Journal of forensic sciences 61, S230-S236, 2016
18 2016 Nchwaningite, D Nyfeler, T Armbruster, R Dixon, V Bermanec
American Mineralogist 80 (3-4), 377-386, 1995
17 1995 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
15 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
10 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 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
5 2020 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
PQDT-Global, 2014
5 2014 Identifying the source of illicit gold from South America RD Dixon, RKW Merkle
4 2021 
Roland K W MerkleProfessor, Geology, University of PretoriaVerified email at up.ac.za
