| Formation of Pt, Pd and Ni tellurides: experiments in sulfide–telluride systems. HM Helmy, C Ballhaus, J Berndt, C Bockrath, ... Contributions to Mineralogy and Petrology 153, 577-591, 2007 | 181 | 2007 |
| Partitioning of Se, As, Sb, Te and Bi between monosulfide solid solution and sulfide melt–application to magmatic sulfide deposits HM Helmy, C Ballhaus, C Wohlgemuth-Ueberwasser, ROC Fonseca, ... Geochimica et Cosmochimica Acta 74 (21), 6174-6179, 2010 | 178 | 2010 |
| Gabbro Akarem mafic-ultramafic complex, Eastern Desert, Egypt: a Late Precambrian analogue of Alaskan-type complexes HM Helmy, MM El Mahallawi Mineralogy and Petrology 77, 85-108, 2003 | 161 | 2003 |
| Noble metal nanoclusters and nanoparticles precede mineral formation in magmatic sulphide melts HM Helmy, C Ballhaus, ROC Fonseca, R Wirth, T Nagel, M Tredoux Nature communications 4 (1), 2405, 2013 | 123 | 2013 |
| Pressure, temperature and oxygen fugacity conditions of calc-alkaline granitoids, Eastern Desert of Egypt, and tectonic implications HM Helmy, AF Ahmed, MM El Mahallawi, SM Ali Journal of African Earth Sciences 38 (3), 255-268, 2004 | 122 | 2004 |
| The Sukari Gold Mine, Eastern Desert—Egypt: structural setting, mineralogy and fluid inclusion study HM Helmy, R Kaindl, H Fritz, J Loizenbauer Mineralium Deposita 39, 495-511, 2004 | 119 | 2004 |
| Compositions and total-Pb model ages of monazite from high grade paragneises in the Abu Swayel area, southern Eastern Desert, Egypt FFHM Helmy Mineralogy and Petrology 62, 269-289, 1998 | 109 | 1998 |
| Abu Hamamid Neoproterozoic Alaskan-type complex, South Eastern Desert, Egypt: petrogenetic and geotectonic implications EFHM Helmy African Journal of Earth Sciences 45, 186-196, 2006 | 93* | 2006 |
| A fore-arc setting of the Gerf ophiolite, Eastern Desert, Egypt: evidence from mineral chemistry and geochemistry of ultramafites AAM Abdel-Karim, S Ali, HM Helmy, SA El-Shafei Lithos 263, 52-65, 2016 | 79 | 2016 |
| Fractionation of platinum, palladium, nickel, and copper in sulfide–arsenide systems at magmatic temperature HM Helmy, C Ballhaus, ROC Fonseca, TJ Nagel Contributions to Mineralogy and Petrology 166, 1725-1737, 2013 | 79 | 2013 |
| The U/Pb ratio of the Earth's mantle—A signature of late volatile addition C Ballhaus, V Laurenz, C Münker, ROC Fonseca, F Albarède, ... Earth and Planetary Science Letters 362, 237-245, 2013 | 77 | 2013 |
| Petrology and Sm–Nd dating of the Genina Gharbia Alaskan-type complex (Egypt): insights into deep levels of Neoproterozoic island arcs HM Helmy, YM Abd El-Rahman, M Yoshikawa, T Shibata, S Arai, ... Lithos 198, 263-280, 2014 | 68 | 2014 |
| Mineral chemistry of the Neoproterozoic Alaskan-type Akarem Intrusion with special emphasis on amphibole: Implications for the pluton origin and evolution of subduction-related … Y Abd El-Rahman, HM Helmy, T Shibata, M Yoshikawa, S Arai, A Tamura Lithos 155, 410-425, 2012 | 68 | 2012 |
| Magmatic unmixing in spinel from late Precambrian concentrically-zoned mafic–ultramafic intrusions, Eastern Desert, Egypt AH Ahmed, HM Helmy, S Arai, M Yoshikawa Lithos 104 (1-4), 85-98, 2008 | 63 | 2008 |
| Gabbro Akarem, Eastern Desert, Egypt: Cu–Ni–PGE mineralization in a concentrically zoned mafic–ultramafic complex HM Helmy, A Mogessie Mineralium Deposita 36, 58-71, 2001 | 61 | 2001 |
| Petrology of the Motaghairat mafic–ultramafic complex, Eastern Desert, Egypt: a high-Mg post-collisional extension-related layered intrusion AHA Halim, HM Helmy, YM Abd El-Rahman, T Shibata, MM El Mahallawi, ... Journal of Asian Earth Sciences 116, 164-180, 2016 | 55 | 2016 |
| Silver and silver-bearing minerals at the Um Samiuki volcanogenic massive sulphide deposit, Eastern Desert, Egypt IM Shalaby, E Stumpfl, HM Helmy, MM El Mahallawi, OA Kamel Mineralium Deposita 39, 608-621, 2004 | 51 | 2004 |
| Platinum-group elements fractionation by selective complexing, the Os, Ir, Ru, Rh-arsenide-sulfide systems above 1020° C HM Helmy, A Bragagni Geochimica et Cosmochimica Acta 216, 169-183, 2017 | 46 | 2017 |
| Melonite group minerals and other tellurides from three Cu–Ni–PGE prospects, Eastern Desert, Egypt HM Helmy Ore Geology Reviews 26 (3-4), 305-324, 2005 | 41 | 2005 |
| Cu–Ni–PGE mineralization in the Genina Gharbia mafic–ultramafic intrusion, eastern desert, Egypt HM Helmy The Canadian Mineralogist 42 (2), 351-370, 2004 | 41 | 2004 |
Chris BallhausProfessor, Petrology, Uni BonnAdresă de e-mail confirmată pe uni-bonn.de
