| Sediment-hosted lead-zinc deposits: A global perspective DL Leach, DF Sangster, KD Kelley, RR Large, G Garven, CR Allen, ... | 1089 | 2005 |
| Paleoproterozoic snowball Earth: Extreme climatic and geochemical global change and its biological consequences JL Kirschvink, EJ Gaidos, LE Bertani, NJ Beukes, J Gutzmer, LN Maepa, ... Proceedings of the National Academy of Sciences 97 (4), 1400-1405, 2000 | 530 | 2000 |
| Gallium, germanium, indium, and other trace and minor elements in sphalerite as a function of deposit type—A meta-analysis M Frenzel, T Hirsch, J Gutzmer Ore Geology Reviews 76, 52-78, 2016 | 409 | 2016 |
| Origin and paleoenvironmental significance of major iron formations at the Archean-Paleoproterozoic boundary NJ Beukes, J Gutzmer | 370 | 2008 |
| Reconstructing Earth's surface oxidation across the Archean-Proterozoic transition Q Guo, H Strauss, AJ Kaufman, S Schröder, J Gutzmer, B Wing, MA Baker, ... Geology 37 (5), 399-402, 2009 | 300 | 2009 |
| A review of graphite beneficiation techniques S Chehreh Chelgani, M Rudolph, R Kratzsch, D Sandmann, J Gutzmer Mineral Processing and Extractive Metallurgy Review 37 (1), 58-68, 2016 | 214 | 2016 |
| Tropical laterites, life on land, and the history of atmospheric oxygen in the Paleoproterozoic NJ Beukes, H Dorland, J Gutzmer, M Nedachi, H Ohmoto Geology 30 (6), 491-494, 2002 | 203 | 2002 |
| The geology and genesis of high-grade hematite iron ore deposits NJ Beukes, J Gutzmer, J Mukhopadhyay Applied Earth Science 112 (1), 18-25, 2003 | 190 | 2003 |
| Challenges of the circular economy: a material, metallurgical, and product design perspective MA Reuter, A van Schaik, J Gutzmer, N Bartie, A Abadías-Llamas Annual Review of Materials Research 49 (1), 253-274, 2019 | 179 | 2019 |
| Trace element geochemistry of sphalerite in contrasting hydrothermal fluid systems of the Freiberg district, Germany: insights from LA-ICP-MS analysis, near-infrared light … ME Bauer, M Burisch, J Ostendorf, J Krause, M Frenzel, T Seifert, ... Mineralium Deposita 54, 237-262, 2019 | 165 | 2019 |
| Deciphering formation processes of banded iron formations from the Transvaal and the Hamersley successions by combined Si and Fe isotope analysis using UV femtosecond laser … G Steinhoefel, F von Blanckenburg, I Horn, KO Konhauser, NJ Beukes, ... Geochimica et Cosmochimica Acta 74 (9), 2677-2696, 2010 | 156 | 2010 |
| Raw material ‘criticality’—sense or nonsense? M Frenzel, J Kullik, MA Reuter, J Gutzmer Journal of Physics D: Applied Physics 50 (12), 123002, 2017 | 155 | 2017 |
| Quantifying the relative availability of high-tech by-product metals–the cases of gallium, germanium and indium M Frenzel, C Mikolajczak, MA Reuter, J Gutzmer Resources Policy 52, 327-335, 2017 | 151 | 2017 |
| Mineral paragenesis of the Kalahari managanese field, South Africa J Gutzmer, NJ Beukes Ore Geology Reviews 11 (6), 405-428, 1996 | 148 | 1996 |
| On the current and future availability of gallium M Frenzel, MP Ketris, T Seifert, J Gutzmer Resources Policy 47, 38-50, 2016 | 146 | 2016 |
| On the geological availability of germanium M Frenzel, MP Ketris, J Gutzmer Mineralium Deposita 49, 471-486, 2014 | 141 | 2014 |
| Evidence for an early Archaean granite from Bastar craton, India HM Rajesh, J Mukhopadhyay, NJ Beukes, J Gutzmer, GA Belyanin, ... Journal of the Geological Society 166 (2), 193-196, 2009 | 133 | 2009 |
| The influence of iron substitution in the magnetic properties of hausmannite, Mn (super 2+) (Fe,Mn) (super 3+) 2 O 4 V Baron, J Gutzmer, H Rundlof, R Tellgren American Mineralogist 83 (7-8), 786-793, 1998 | 131 | 1998 |
| A review of rare earth minerals flotation: Monazite and xenotime SC Chelgani, M Rudolph, T Leistner, J Gutzmer, UA Peuker International Journal of Mining Science and Technology 25 (6), 877-883, 2015 | 124 | 2015 |
| The composition and depositional environments of Mesoarchean iron formations of the West Rand Group of the Witwatersrand Supergroup, South Africa AJB Smith, NJ Beukes, J Gutzmer Economic Geology 108 (1), 111-134, 2013 | 114 | 2013 |
Nic BeukesProfessor of Geology, Department of Geology, APK Campus, University of JohannesburgVerified email at uj.ac.za
