Gerald Hartmann

1.6k total citations · 1 hit paper
22 papers, 1.4k citations indexed

About

Gerald Hartmann is a scholar working on Geophysics, Archeology and Paleontology. According to data from OpenAlex, Gerald Hartmann has authored 22 papers receiving a total of 1.4k indexed citations (citations by other indexed papers that have themselves been cited), including 12 papers in Geophysics, 5 papers in Archeology and 3 papers in Paleontology. Recurrent topics in Gerald Hartmann's work include Geological and Geochemical Analysis (11 papers), earthquake and tectonic studies (7 papers) and High-pressure geophysics and materials (7 papers). Gerald Hartmann is often cited by papers focused on Geological and Geochemical Analysis (11 papers), earthquake and tectonic studies (7 papers) and High-pressure geophysics and materials (7 papers). Gerald Hartmann collaborates with scholars based in Germany, Cameroon and Belgium. Gerald Hartmann's co-authors include K. H. Wedepohl, Klaus Simon, Shan Gao, Lian Zhou, Yumin Qiu, Wenli Ling, Emmanuel Njonfang, Pascal Affaton, Jean-Paul Liégeois and Maurice Kwékam and has published in prestigious journals such as Geochimica et Cosmochimica Acta, Contributions to Mineralogy and Petrology and Geological Society London Special Publications.

In The Last Decade

Gerald Hartmann

22 papers receiving 1.3k citations

Hit Papers

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What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Contrasting geochemical and Sm-Nd isotopic compositions of Archean metasediments from the Kongling high-grade terrain of the Yangtze craton: evidence for cratonic evolution and redistribution of REE during crustal anatexis

1999 619 citations Shan Gao, Wenli Ling et al. Geochimica et Cosmochimica Acta profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Gerald Hartmann	1.2k	432	236	87	57	22	1.4k
S. S. Merh	386 0.3×	81 0.2×	59 0.3×	70 0.8×	36 0.6×	27	639
R. Vaidyanadhan	377 0.3×	128 0.3×	90 0.4×	42 0.5×	23 0.4×	32	625
Raymundo G. Martínez‐Serrano	391 0.3×	234 0.5×	96 0.4×	35 0.4×	7 0.1×	26	539
A. Reay	759 0.7×	240 0.6×	103 0.4×	82 0.9×	4 0.1×	32	947
Suzanne W. Nicholson	344 0.3×	180 0.4×	61 0.3×	39 0.4×	6 0.1×	28	470
José Mangas	268 0.2×	87 0.2×	59 0.3×	98 1.1×	49 0.9×	65	640
Gustavo Tolson	785 0.7×	385 0.9×	62 0.3×	58 0.7×	3 0.1×	30	948
Víctor Santiago Carlotto Caillaux	784 0.7×	344 0.8×	98 0.4×	182 2.1×	4 0.1×	60	932
Günther Friedrich	150 0.1×	97 0.2×	105 0.4×	64 0.7×	21 0.4×	35	439
Jean‐Jacques Cochemé	375 0.3×	89 0.2×	36 0.2×	43 0.5×	7 0.1×	24	551

Countries citing papers authored by Gerald Hartmann

Since Specialization

Citations

This map shows the geographic impact of Gerald Hartmann's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Gerald Hartmann with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Gerald Hartmann more than expected).

Fields of papers citing papers by Gerald Hartmann

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Gerald Hartmann. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Gerald Hartmann. The network helps show where Gerald Hartmann may publish in the future.

Co-authorship network of co-authors of Gerald Hartmann

This figure shows the co-authorship network connecting the top 25 collaborators of Gerald Hartmann. A scholar is included among the top collaborators of Gerald Hartmann based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Gerald Hartmann. Gerald Hartmann is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Kwékam, Maurice, István Dunkl, Eric Martial Fozing, et al.. (2020). Syn-kinematic ferroan high-K I-type granites from Dschang in southwestern Cameroon: U–Pb age, geochemistry and implications for crustal growth in the late Pan-African orogeny. Geological Society London Special Publications. 502(1). 191–213. 26 indexed citations

Churikova, Tatiana, et al.. (2017). Geochemical evolution of Bolshaya Udina, Malaya Udina, and Gorny Zub volcanoes, Klyuchevskaya Group (Kamchatka). EGU General Assembly Conference Abstracts. 10691. 2 indexed citations

Hartmann, Gerald, et al.. (2017). Application of strontium isotope analysis to provenance studies of Early Bronze Age North-Mesopotamian Metallic Ware. Journal of Archaeological Science Reports. 16. 573–588. 5 indexed citations

Kwékam, Maurice, et al.. (2015). Geochemical and Isotope Sr-Nd Character of Dschang Biotite Granite: Implications for the Pan-African Continental Crust Evolution in West-Cameroon (Central Africa). 4(1). 16 indexed citations

Godoy, Benigno, Gerhard Wörner, Shoji Kojima, et al.. (2014). Low-pressure evolution of arc magmas in thickened crust: The San Pedro–Linzor volcanic chain, Central Andes, Northern Chile. Journal of South American Earth Sciences. 52. 24–42. 38 indexed citations

Affaton, Pascal, et al.. (2013). The Pan-African Kekem gabbro-norite (West-Cameroon), U–Pb zircon age, geochemistry and Sr–Nd isotopes: Geodynamical implication for the evolution of the Central African fold belt. Journal of African Earth Sciences. 84. 70–88. 70 indexed citations

Kwékam, Maurice, Jean-Paul Liégeois, Emmanuel Njonfang, et al.. (2009). Nature, origin and significance of the Fomopéa Pan-African high-K calc-alkaline plutonic complex in the Central African fold belt (Cameroon). Journal of African Earth Sciences. 57(1-2). 79–95. 133 indexed citations

Chander, Krishan, Gerald Hartmann, Rainer Georg Joergensen, Khalid Saifullah Khan, & Norbert Lamersdorf. (2008). Comparison of methods for measuring heavy metals and total phosphorus in soils contaminated by different sources. Archives of Agronomy and Soil Science. 54(4). 413–422. 40 indexed citations

Kroeger, Karsten F., et al.. (2007). Eustasy and sea water Sr composition: application to high‐resolution Sr‐isotope stratigraphy of Miocene shallow‐water carbonates. Sedimentology. 54(3). 565–585. 10 indexed citations

10.

Khan, Khalid Saifullah, Krishan Chander, Gerald Hartmann, Norbert Lamersdorf, & Rainer Georg Joergensen. (2006). Sources of Heavy Metals and Their Long-term Effects on Microbial C, N and P Relationships in Soil. Water Air & Soil Pollution. 181(1-4). 225–234. 18 indexed citations

11.

Wörner, Gerhard, M. Mamani, Gerald Hartmann, & K. Simon. (2005). Regional patterns 'in arc magma composition in the Andean Central Volcanic Zone (13°5-28°5). 2 indexed citations

12.

Burmeister, Stefan, et al.. (2004). Zeitschriftenschau. Technikgeschichte. 71(2). 177–182. 1 indexed citations

13.

Gao, Shan, Wenli Ling, Yumin Qiu, et al.. (1999). Contrasting geochemical and Sm-Nd isotopic compositions of Archean metasediments from the Kongling high-grade terrain of the Yangtze craton: evidence for cratonic evolution and redistribution of REE during crustal anatexis. Geochimica et Cosmochimica Acta. 63(13-14). 2071–2088. 619 indexed citations breakdown →

14.

Wedepohl, K. H., et al.. (1997). Mittelalterliches Glas aus dem Reichskloster und der Stadtwüstung Corvey: Mit einem Nachtrag zu den Analysenergebnissen von Gläsern aus dem Kloster Brunshausen.. Germania: Anzeiger der Römisch-Germanischen Kommission des Deutschen Archäologischen Instituts. 75(2). 673–715. 4 indexed citations

15.

Hartmann, Gerald, et al.. (1997). Chemistry and Technology of Prehistoric Glass from Lower Saxony and Hesse. Journal of Archaeological Science. 24(6). 547–559. 33 indexed citations

16.

Wedepohl, K. H., et al.. (1994). Cenozoic alkali basaltic magmas of western Germany and their products of differentiation. Contributions to Mineralogy and Petrology. 115(3). 253–278. 81 indexed citations

17.

Hartmann, Gerald & K. H. Wedepohl. (1993). The composition of peridotite tectonites from the Ivrea Complex, northern Italy: Residues from melt extraction. Geochimica et Cosmochimica Acta. 57(8). 1761–1782. 141 indexed citations

18.

Stephan, H., K. H. Wedepohl, & Gerald Hartmann. (1992). Die Gläser der hochmittelalterlichen Waldglashütte Steimcke: teil 2 -Chemische und formenkundliche Analysen der Gläser. 89–123. 1 indexed citations

19.

Heymann, Eckhard W. & Gerald Hartmann. (1991). Geophagy in moustached tamarins,Saguinus mystax (platyrrhini: Callitrichidae), at the Río Blanco, Peruvian Amazonia. Primates. 32(4). 533–537. 49 indexed citations

20.

Hartmann, Gerald & K. H. Wedepohl. (1990). Metasomatically altered peridotite xenoliths from the hessian depression (Northwest Germany). Geochimica et Cosmochimica Acta. 54(1). 71–86. 68 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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