i10 Productivity
Rankings
University of Johannesburg ScientistsEngineering & Technology / Earth Sciences i10 Productivity Rankings 2025
Productivity Rankings is a unique service offered only by “AD Scientific Index”. This is a ranking system derived from the i10 index in order to show the productivity of the scientist in publishing scientific articles of value. Productivity Rankings is an instrument that lists productive scientists in a given area, discipline, university, and country and can guide the development of meaningful incentives and academic policies. The world rankings, regional rankings, and university rankings of scientists in this table are developed based on the total i10 index. Additionally, click to view the special rankings based on Productivity Rankings: Scientists Last 6 years' i10 Index", Universities Total i10 Index Rankings 2025, Universities Last 6 Years i10 Index Rankings 2025 "Art and Humanities i10 Productivity Rankings" and "Social Sciences and Humanities i10 Productivity Rankings".
* Total i10 IndexRankings
Ranking Based On Selection :1
Economic Geology
Iron and manganese deposits
Precambrian geology
Sedimentology and basin analyses.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
187
145
0.775
* Total i10 IndexRankings
Ranking Based On Selection :2
isotope geochemistry
geochronology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
163
112
0.687
* Total i10 IndexRankings
Ranking Based On Selection :3
Archaean geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
125
106
0.848
* Total i10 IndexRankings
Ranking Based On Selection :4
igneous petrology
isotope geochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
113
99
0.876
* Total i10 IndexRankings
Ranking Based On Selection :5
Metamorphic Petrology
Field Geology
Tectonics
Evolution of High-Grade Terranes
Fluids
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
92
46
0.500
* Total i10 IndexRankings
Ranking Based On Selection :6
Geometallurgy
Diamonds
Kimberlites
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
46
0.605
* Total i10 IndexRankings
Ranking Based On Selection :7
Geology and Mineral Deposits
Precambrian
Early Life
CO2 sequestration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
73
40
0.548
* Total i10 IndexRankings
Ranking Based On Selection :8
Petrology
Geochemistry
Geochronology
Geodynamics
Economic Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
61
0.968
* Total i10 IndexRankings
Ranking Based On Selection :9
coal
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
44
0.830
* Total i10 IndexRankings
Ranking Based On Selection :10
Crustal evolution
geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
25
0.500
* Total i10 IndexRankings
Ranking Based On Selection :11
Coal geology
mineralogy
geoheritage
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
25
0.510
* Total i10 IndexRankings
Ranking Based On Selection :12
Paleomagnetism
stratigraphy
global change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
28
0.800
* Total i10 IndexRankings
Ranking Based On Selection :13
Data centric geotechnics
Geo Hazards
ground monitoring
infrastructure resilience
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
28
0.875
* Total i10 IndexRankings
Ranking Based On Selection :14
MedicalGeology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
22
0.710
* Total i10 IndexRankings
Ranking Based On Selection :15
Geology
Geochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
27
0.900
* Total i10 IndexRankings
Ranking Based On Selection :16
tectonics structural geology orogen exploration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
21
0.955
* Total i10 IndexRankings
Ranking Based On Selection :17
Geology
Sedimentology
Geometallurgy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
20
0.909
* Total i10 IndexRankings
Ranking Based On Selection :18
Coal geology
Coal petrology
Coal geochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
* Total i10 IndexRankings
Ranking Based On Selection :19
Quaternary Geochronology
Cosmogenic nuclides
Quaternary Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
* Total i10 IndexRankings
Ranking Based On Selection :20
Paleomagnetism and Field geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
* Total i10 IndexRankings
Ranking Based On Selection :21
Palaeontology
Ecology
Evolution
Philosophy of Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
* Total i10 IndexRankings
Ranking Based On Selection :22
Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :23
Geostatistics
mining
machine-learning
environmental science
air quality studies
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
* Total i10 IndexRankings
Ranking Based On Selection :24
Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 IndexRankings
Ranking Based On Selection :25
Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Nic Beukes
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
187
145
0.775
Economic Geology
Iron and manganese deposits
Precambrian geology
Sedimentology and basin analyses.
Jan Kramers
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
163
112
0.687
isotope geochemistry
geochronology
Axel Hofmann
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
125
106
0.848
Marlina A. Elburg
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
113
99
0.876
igneous petrology
isotope geochemistry
Dirk Van Reenen
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
92
46
0.500
Metamorphic Petrology
Field Geology
Tectonics
Evolution of High-Grade Terranes
Fluids
Fanus Viljoen
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
46
0.605
Geometallurgy
Diamonds
Kimberlites
Wladyslaw Altermann
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
73
40
0.548
Geology and Mineral Deposits
Precambrian
Early Life
CO2 sequestration
Sebastian Tappe
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
61
0.968
Petrology
Geochemistry
Geochronology
Geodynamics
Economic Geology
Nicola Wagner
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
53
44
0.830
Geoffrey Hugo Grantham
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
50
25
0.500
Bruce Cairncross
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
25
0.510
Coal geology
mineralogy
geoheritage
Michiel De Kock
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
35
28
0.800
Paleomagnetism
stratigraphy
global change
Maria Ferentinou
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
28
0.875
Data centric geotechnics
Geo Hazards
ground monitoring
infrastructure resilience
Hassina Mouri
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
31
22
0.710
Georgy Belyanin
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
30
27
0.900
Jérémie Lehmann
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
21
0.955
tectonics structural geology orogen exploration
Albertus Smith
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
20
0.909
Geology
Sedimentology
Geometallurgy
Ofentse Marvin Moroeng
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
Coal geology
Coal petrology
Coal geochemistry
Tebogo Vincent Makhubela
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
Quaternary Geochronology
Cosmogenic nuclides
Quaternary Geology
Herve Wabo
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
Paleomagnetism and Field geology
Francois Durand
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
7
0.778
Palaeontology
Ecology
Evolution
Philosophy of Science
Lauren Blignaut
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Mbalenhle Mpanza
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Geostatistics
mining
machine-learning
environmental science
air quality studies
Ntando Ngwenya
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Juliet Akoh
University of Johannesburg
Johannesburg, South Africa
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000