| Gold in the Neoproterozoic juvenile Bossoroca Volcanic Arc of southernmost Brazil: isotopic constraints on timing and sources MVD Remus, NJ McNaughton, LA Hartmann, JC Koppe, IR Fletcher, ... Journal of South American Earth Sciences 12 (4), 349-366, 1999 | 97 | 1999 |
| A late Proterozoic U Pb age for the Bossoroca Belt, Rio Grande do Sul, Brazil N Machado, JC Koppe, LA Hartmann Journal of South American Earth Sciences 3 (2-3), 87-90, 1990 | 85 | 1990 |
| Mineral-potential mapping: a comparison of weights-of-evidence and fuzzy methods TFP de Quadros, JC Koppe, AJ Strieder, JFCL Costa Natural Resources Research 15, 49-65, 2006 | 54 | 2006 |
| Uncertainty estimate in resources assessment: a geostatistical contribution LE De Souza, JFCL Costa, JC Koppe Natural Resources Research 13, 1-15, 2004 | 45 | 2004 |
| Simulation—an approach to risk analysis in coal mining JF COSTA, AC Zingano, JC KOPPE Exploration and Mining Geology 9 (1), 43-49, 2000 | 42 | 2000 |
| Monte Carlo simulation as a tool for tunneling planning JP Vargas, JC Koppe, S Pérez Tunnelling and underground space technology 40, 203-209, 2014 | 35 | 2014 |
| Reducing coal quality attributes variability using properly designed blending piles helped by geostatistical simulation FS Beretta, J Costa, JC Koppe International journal of coal geology 84 (2), 83-93, 2010 | 35 | 2010 |
| A lavra e a indústria mineral-estado da arte e tendências tecnológicas JC Koppe CETEM/MCT, 2007 | 34 | 2007 |
| Gamma-ray data processing and integration for lode-Au deposits exploration TFP de Quadros, JC Koppe, AJ Strieder, JFCL Costa Natural Resources Research 12, 57-65, 2003 | 32 | 2003 |
| Additional samples: where they should be located GG Pilger, J Costa, JC Koppe Natural resources research 10, 197-207, 2001 | 28 | 2001 |
| Sequências supra-crustais, gnaisses graníticos, granulitos e granitos intrusivos da região de Ibaré-Palma, RS: geologia, aspectos estratigráficos e considerações geotectônicas MP Naumann, LA Hartmann, JC Koppe, F Chemale Jr Congresso Brasileiro de Geologia 33 (1984), 2417-2425, 1984 | 28 | 1984 |
| The influence of mineralogical, chemical and physical properties on grindability of commercial clinkers with high MgO level VCG de Souza, JC Koppe, JFCL Costa, ALM Vargas, E Blando, R Hübler Cement and Concrete Research 38 (8-9), 1119-1125, 2008 | 27 | 2008 |
| Lessons learned from the two major tailings dam accidents in Brazil JC Koppe Mine Water and the Environment 40 (1), 166-173, 2021 | 24 | 2021 |
| Application of pilot-scale-constructed wetland as tertiary treatment system of wastewater for phosphorus and nitrogen removal AC Curia, JC Koppe, JFCL Costa, LA Féris, WD Gerber Water, Air, & Soil Pollution 218, 131-143, 2011 | 24 | 2011 |
| Assessing uncertainty associated with the delineation of geochemical anomalies JF Costa, JC Koppe Natural Resources Research 8, 59-67, 1999 | 23 | 1999 |
| A case study application of linear programming and simulation to mine planning JA de Carvalho Junior, JC Koppe, J Costa Journal of the Southern African Institute of Mining and Metallurgy 112 (6 …, 2012 | 22 | 2012 |
| Geochemistry of the Bossoroca greenstone Belt, southernmost Brazil JC Koppe, LA Hartmann Geochimica Brasiliensis;(Brazil) 2 (2), 1988 | 22 | 1988 |
| Kriging with an external drift versus collocated cokriging for water table mapping MNM Boezio, J Costa, JC Koppe Applied Earth Science 115 (3), 103-112, 2006 | 21 | 2006 |
| Aspectos geológicos e estratigráficos do Complexo Bossoroca, São Sepé, Rio Grande do Sul JC Koppe, LA Hartmann, PFC Lisboa, RN Monteiro Simpósio Sul-Brasileiro de Geologia 2, 32-36, 1985 | 20 | 1985 |
| Geology and geochemistry of the Caxias gold deposit, and geochronology of the gold-hosting Caxias Microtonalite, São Luı́s Craton, northern Brazil EL Klein, JC Koppe, CAV Moura Journal of South American Earth Sciences 14 (8), 837-849, 2002 | 19 | 2002 |
