i10 Productivity
Rankings

Engineering & Technology / Earth Sciences i10 Productivity Rankings in South Africa 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
South Africa
EJM (John) Carranza
Economic Geology
Mineral Prospectivity Mapping
Exploration Geochemistry
Geological Remote Sensing
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
212
197
0.929
* Total i10 IndexRankings
Ranking Based On Selection :2
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
186
143
0.769
* Total i10 IndexRankings
Ranking Based On Selection :3
South Africa
Bruce S. Rubidge
palaeontology
geology
stratigraphy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
170
111
0.653
* Total i10 IndexRankings
Ranking Based On Selection :4
South Africa
Jan Kramers
isotope geochemistry
geochronology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
163
113
0.693
* Total i10 IndexRankings
Ranking Based On Selection :6
South Africa
Re Schulze
hydrology
agriculture
climate change
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
154
70
0.455
* Total i10 IndexRankings
Ranking Based On Selection :7
South Africa
Chris Harris
geology
stable isotopes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
152
107
0.704
* Total i10 IndexRankings
Ranking Based On Selection :8
South Africa
Roger MH Smith
sedimentology
vertebrate palaeontology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
146
123
0.842
* Total i10 IndexRankings
Ranking Based On Selection :9
South Africa
Lewis Ashwal
Geology
Petrology
Geochemistry
Tectonics
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
133
86
0.647
* Total i10 IndexRankings
Ranking Based On Selection :10
South Africa
Dirk Frei (Né Landwehr)|Dirk Landwehr
Geochronology
Economic Geology
Sedimentology
Laser Ablation
LA-ICP-MS
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
128
109
0.852
* Total i10 IndexRankings
Ranking Based On Selection :11
South Africa
Carl Anhaeusser
Archaean geology
Economic Geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
126
58
0.460
* Total i10 IndexRankings
Ranking Based On Selection :12
South Africa
Axel Hofmann
Archaean geology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
125
106
0.848
* Total i10 IndexRankings
Ranking Based On Selection :13
South Africa
Anusuya Chinsamy
paleontology
bone histology
paleobiology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
122
103
0.844
* Total i10 IndexRankings
Ranking Based On Selection :14
South Africa
Marlina A. Elburg
igneous petrology
isotope geochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
112
97
0.866
* Total i10 IndexRankings
Ranking Based On Selection :15
South Africa
Fernando Abdala
paleontology
zoology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
106
84
0.792
* Total i10 IndexRankings
Ranking Based On Selection :16
South Africa
JD Clemens
geology
petrology
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
75
0.758
* Total i10 IndexRankings
Ranking Based On Selection :17
South Africa
Gary Stevens
Geology
Petrology
Experimental Petrology
Geochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
80
0.816
* Total i10 IndexRankings
Ranking Based On Selection :18
South Africa
Tamiru A. Abiye
Isotope Hydrology/Hydrogeology/Water Science/Water Resources Management/Water Quality
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
78
0.796
* Total i10 IndexRankings
Ranking Based On Selection :19
South Africa
Raymond Durrheim
earth science
mining
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
54
0.581
* Total i10 IndexRankings
Ranking Based On Selection :20
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
92
45
0.489
* Total i10 IndexRankings
Ranking Based On Selection :23
South Africa
Anton Le Roex
Geochemistry
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
85
55
0.647
* Total i10 IndexRankings
Ranking Based On Selection :24
South Africa
Petrus Le Roux
geology
analytical geochemistry
analytical isotope palaeo-science
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
72
0.900
* Total i10 IndexRankings
Ranking Based On Selection :25
South Africa
Yongxin Xu
Groundwater resources and related issues
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
54
0.692
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 1
EJM (John) Carranza
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
212
197
0.929
Economic Geology
Mineral Prospectivity Mapping
Exploration Geochemistry
Geological Remote Sensing
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 2
Nic Beukes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
186
143
0.769
Economic Geology
Iron and manganese deposits
Precambrian geology
Sedimentology and basin analyses.
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 3
Bruce S. Rubidge
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
170
111
0.653
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 4
Jan Kramers
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
163
113
0.693
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 5
Denis Hughes
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
160
81
0.506
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 6
Re Schulze
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
154
70
0.455
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 7
Chris Harris
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
152
107
0.704
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 8
Roger MH Smith
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
146
123
0.842
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 9
Lewis Ashwal
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
133
86
0.647
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 10
Dirk Frei (Né Landwehr)|Dirk Landwehr
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
128
109
0.852
Geochronology
Economic Geology
Sedimentology
Laser Ablation
LA-ICP-MS
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 11
Carl Anhaeusser
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
126
58
0.460
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 12
Axel Hofmann
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
125
106
0.848
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 13
Anusuya Chinsamy
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
122
103
0.844
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 14
Marlina A. Elburg
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
112
97
0.866
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 15
Fernando Abdala
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
106
84
0.792
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 16
JD Clemens
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
99
75
0.758
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 17
Gary Stevens
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
80
0.816
Geology
Petrology
Experimental Petrology
Geochemistry
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 18
Tamiru A. Abiye
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
98
78
0.796
Isotope Hydrology/Hydrogeology/Water Science/Water Resources Management/Water Quality
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 19
Raymond Durrheim
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
93
54
0.581
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 20
Dirk Van Reenen
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
92
45
0.489
Metamorphic Petrology
Field Geology
Tectonics
Evolution of High-Grade Terranes
Fluids
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 21
Roger Gibson
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
88
47
0.534
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 22
J Kinnaird
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
87
63
0.724
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 23
Anton Le Roex
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
85
55
0.647
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 24
Petrus Le Roux
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
80
72
0.900
geology
analytical geochemistry
analytical isotope palaeo-science
* Total i10 Index Rankings
Rankings
Ranking Based On Selection: 25
Yongxin Xu
i-10 Metrics
Total
Last 6 Years
Last 6 Years / Total
78
54
0.692