i10 Productivity
Rankings

University of Johannesburg/ 30 Scientists Engineering & Technology / Earth Sciences i10 Productivity Rankings - 2025

Total 2,448,390 scientists, country 221, and institutions 24,477 are evaluated in the Productivity Rankings, an exclusive service provided by AD Scientific Index. This ranking measures and highlights the scientific productivity of researchers based on the i10 index (number of publications with at least 10 citations). This system identifies highly productive scientists across disciplines, institutions, and regions, contributing to the development of evidence-based academic policies and effective incentive mechanisms. The rankings include global, regional, and institutional analyses, along with specialized rankings such as Scientists' Last 6 Years' i10 Index and Universities' i10 Index Rankings 2025. With Premium Membership, you can:

  • Gain full access to detailed comparisons and advanced analytics,
  • Objectively evaluate your academic productivity,
  • Make strategic, data-driven decisions to enhance performance.

* Total i10 IndexRankings
Ranking Based On Selection: 1
South Africa
Nic Beukes
Economic Geology
Iron and manganese deposits
Precambrian geology
Sedimentology and basin analyses.
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
187
135
0.722
* Total i10 IndexRankings
Ranking Based On Selection: 2
South Africa
Jan Kramers
isotope geochemistry
geochronology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
164
101
0.616
* Total i10 IndexRankings
Ranking Based On Selection: 3
South Africa
Axel Hofmann
Archaean geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
126
102
0.810
* Total i10 IndexRankings
Ranking Based On Selection: 4
South Africa
Marlina A. Elburg
igneous petrology
isotope geochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
113
95
0.841
* Total i10 IndexRankings
Ranking Based On Selection: 5
South Africa
Dirk Van Reenen
Metamorphic Petrology
Field Geology
Tectonics
Evolution of High-Grade Terranes
Fluids
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
33
0.355
* Total i10 IndexRankings
Ranking Based On Selection: 6
South Africa
Fanus Viljoen
Geometallurgy
Diamonds
Kimberlites
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
42
0.553
* Total i10 IndexRankings
Ranking Based On Selection: 7
South Africa
Wladyslaw Altermann
Geology and Mineral Deposits
Precambrian
Early Life
CO2 sequestration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
73
38
0.521
* Total i10 IndexRankings
Ranking Based On Selection: 8
South Africa
Sebastian Tappe
Petrology
Geochemistry
Geochronology
Geodynamics
Economic Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
60
0.952
* Total i10 IndexRankings
Ranking Based On Selection: 10
South Africa
Geoffrey Hugo Grantham
Crustal evolution
geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
22
0.431

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* Total i10 IndexRankings
Ranking Based On Selection: 11
South Africa
Bruce Cairncross
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
South Africa
Michiel De Kock
Paleomagnetism
stratigraphy
global change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
26
0.722
* Total i10 IndexRankings
Ranking Based On Selection: 13
South Africa
Maria Ferentinou
Data centric geotechnics
Geo Hazards
ground monitoring
infrastructure resilience
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
28
0.848
* Total i10 IndexRankings
Ranking Based On Selection: 14
South Africa
Georgy Belyanin
Geology
Geochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
22
0.688
* Total i10 IndexRankings
Ranking Based On Selection: 15
South Africa
Hassina Mouri
MedicalGeology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
20
0.625
* Total i10 IndexRankings
Ranking Based On Selection: 16
South Africa
Jérémie Lehmann
tectonics structural geology orogen exploration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
20
0.909
* Total i10 IndexRankings
Ranking Based On Selection: 17
South Africa
Albertus Smith
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
South Africa
Ofentse Marvin Moroeng
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: 20
South Africa
Tebogo Vincent Makhubela
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: 21
South Africa
Herve Wabo
Paleomagnetism and Field geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
8
0.889
* Total i10 IndexRankings
Ranking Based On Selection: 22
South Africa
Francois Durand
Palaeontology
Ecology
Evolution
Philosophy of Science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
* Total i10 IndexRankings
Ranking Based On Selection: 24
South Africa
Mbalenhle Mpanza
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: 25
South Africa
Juliet Akoh
Petrology
Mineralogy
Geochemistry
Pegmatite exploration
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 1
Nic Beukes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
187
135
0.722
Economic Geology
Iron and manganese deposits
Precambrian geology
Sedimentology and basin analyses.
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 2
Jan Kramers
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
164
101
0.616
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 3
Axel Hofmann
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
126
102
0.810
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 4
Marlina A. Elburg
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
113
95
0.841
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 5
Dirk Van Reenen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
33
0.355
Metamorphic Petrology
Field Geology
Tectonics
Evolution of High-Grade Terranes
Fluids
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 6
Fanus Viljoen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
76
42
0.553
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 7
Wladyslaw Altermann
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
73
38
0.521
Geology and Mineral Deposits
Precambrian
Early Life
CO2 sequestration
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 8
Sebastian Tappe
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
63
60
0.952
Petrology
Geochemistry
Geochronology
Geodynamics
Economic Geology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 9
Nicola Wagner
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
54
43
0.796
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 10
Geoffrey Hugo Grantham
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
51
22
0.431

Enroll all your faculty members with discounted institutional membership to showcase your institution's academic strength to the world in the best way possible – join now and achieve results fast! 

* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 11
Bruce Cairncross
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
49
25
0.510
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 12
Michiel De Kock
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
36
26
0.722
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 13
Maria Ferentinou
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
33
28
0.848
Data centric geotechnics
Geo Hazards
ground monitoring
infrastructure resilience
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 14
Georgy Belyanin
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
22
0.688
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 15
Hassina Mouri
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
32
20
0.625
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 16
Jérémie Lehmann
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
20
0.909
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 17
Albertus Smith
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
22
20
0.909
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 18
Ofentse Marvin Moroeng
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
9
0.900
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 19
Clarisa Vorster
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
10
7
0.700
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 20
Tebogo Vincent Makhubela
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
9
1.000
Quaternary Geochronology
Cosmogenic nuclides
Quaternary Geology
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 21
Herve Wabo
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
8
0.889
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 22
Francois Durand
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
9
5
0.556
Palaeontology
Ecology
Evolution
Philosophy of Science
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 23
Lauren Blignaut
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
4
2
0.500
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 24
Mbalenhle Mpanza
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
3
3
1.000
Geostatistics
mining
machine-learning
environmental science
air quality studies
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 25
Juliet Akoh
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
2
2
1.000
Petrology
Mineralogy
Geochemistry
Pegmatite exploration
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