Staff

Dr. Stephan Homrighausen

RD 4: Dynamics of the Ocean Floor
Research Unit: Magmatic and Hydrothermal Systems
Working Group: Petrology and Geochemistry (MuHS-P)

Office:
Phone: +49 431 600-2572
E-Mail: shomrighausen(at)geomar.de

Address:
Wischhofstr. 1-3
24148 Kiel, GERMANY

Education and Career

  • since 2018 Postdoctoral Fellow, GEOMAR Helmholtz Centre for Ocean Research, Kiel
  • 2018 Dr. rer. nat., Christian-Albrechts University, Kiel
  • 2014-2018 PhD student, GEOMAR Helmholtz Centre for Ocean Research, Kiel
  • 2013 Diploma in Geology and Paleontology at the Johannes Gutenberg-University, Mainz

Scientific Interests

  • Geochemistry and geochronology of oceanic volcanic rocks
  • Origin of intraplate volcanism
  • Chemical and geodynamic processes in the Earth's mantle
  • Recycling and storage of continental material in the Earth's mantle
  • Temporal and geochemical evolution of hotspot volcanism
  • Interaction of plate tectonics and mantle plumes
  • Plate tectonic reconstructions

Projects & Cruises

  • 2022 Shore-based lead of lab team : Igneous geochemistry of IODP-Expedition 391
  • since 2021: 85 Ma volcanism on the Chatham Islands – A window into the geodynamic and geochemical evolution of Zealandia; DFG project HO 6654/1-1
  • 2020-2021 Li distribution in a subduction profile in northern Chile
  • 2019 MSM82: The Rio Grande Rise and Jean Charcot Seamount Chain - microcontinents or the trail of the Tristan-Gough hotspot?
  • 2017-2020 SO258: The Indian – Antarctic Break-up Enigma
  • 2016 SO246: “Compressional, extensional and breakup mechanism of a submarine continental plateau
  • 2014 SO234 Leg 1: Science or the Assessment of Complex Earth System Processes
  • 2014-2017 SO233 Walvis I: Insights into the temporal and geochemical evolution of the Walvis Ridge

Publication

Number of items: 28.

Articles in a Scientific Journal - peer-reviewed

[thumbnail of SN-2023-00886-b_28447927.pdf]

Yang, H., Tikoo, S. M., Carvallo, C., Bilardello, D., Solheid, P., Gaastra, K. M., Sager, W. W., Thoram, S., Hoernle, K. , Höfig, T. W., Avery, A., Del Gaudio, A. V., Huang, Y., Bhutani, R., Buchs, D. M., Class, C., Dai, Y., Dalla Valle, G., Fielding, S., Han, S., Heaton, D. E., Homrighausen, S., Kubota, Y., Li, C. ‐., Nelson, W. R., Petrou, E., Potter, K. E., Pujatti, S., Scholpp, J., Shervais, J. W., Tshiningayamwe, M., Wang, X. J. and Widdowson, M. (2024) Preliminary Characterization of Submarine Basalt Magnetic Mineralogy Using Amplitude‐Dependence of Magnetic Susceptibility. Open Access Geochemistry, Geophysics, Geosystems, 25 (2). e2023GC011222. DOI 10.1029/2023GC011222.

Homrighausen, S., Hoernle, K. , Hauff, F. , Hoyer, P. A., Haase, K. M., Geissler, W. H. and Geldmacher, J. (2023) Evidence for compositionally distinct upper mantle plumelets since the early history of the Tristan-Gough hotspot. Open Access Nature Communications, 14 . 3908 (2023). DOI 10.1038/s41467-023-39585-0.

[thumbnail of Zhou et al_Lithos_2022.zip] [thumbnail of Pre-proof]

Zhou, H. , Hoernle, K. , Geldmacher, J. , Hauff, F. , Homrighausen, S., Garbe-Schönberg, D., Jung, S. and Bindeman, I. (2022) A HIMU volcanic belt along the SW African coast (∼83–49 Ma): New geochemical clues to deep mantle dynamics from carbonatite and silica-undersaturated complexes in Namibia. Lithos, 430-431 . Art.Nr. 106839. DOI 10.1016/j.lithos.2022.106839.

Hoyer, P. A., Haase, K. M., Regelous, M., O’Connor, J. M., Homrighausen, S., Geissler, W. H. and Jokat, W. (2022) Mantle plume and rift-related volcanism during the evolution of the Rio Grande Rise. Open Access Communications Earth & Environment, 3 . Art.Nr. 18 (2022). DOI 10.1038/s43247-022-00349-1.

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Homrighausen, S., Hoernle, K. , Wartho, J. A. , Hauff, F. and Werner, R. (2021) Do the 85°E Ridge and Conrad Rise form a hotspot track crossing the Indian Ocean?. Lithos, 398-399 . Art.Nr. 106234. DOI 10.1016/j.lithos.2021.106234.

Homrighausen, S., Hoernle, K. , Zhou, H. , Geldmacher, J. , Wartho, J. A. , Hauff, F. , Werner, R., Jung, S. and Morgan, J. P. (2020) Paired EMI-HIMU hotspots in the South Atlantic-Starting plume heads trigger compositionally distinct secondary plumes?. Open Access Science Advances, 6 (28). eaba0282. DOI 10.1126/sciadv.aba0282.

Zhou, H. , Hoernle, K. , Geldmacher, J. , Hauff, F. , Homrighausen, S., Garbe-Schönberg, D. and Jung, S. (2020) Geochemistry of Etendeka magmatism: Spatial heterogeneity in the Tristan-Gough plume head. Open Access Earth and Planetary Science Letters, 535 (Article number 116123). DOI 10.1016/j.epsl.2020.116123.

Homrighausen, S., Hoernle, K. , Hauff, F. , Wartho, J. A. , van den Bogaard, P. and Garbe-Schönberg, D. (2019) New age and geochemical data from the Walvis Ridge: The temporal and spatial diversity of South Atlantic intraplate volcanism and its possible origin. Open Access Geochimica et Cosmochimica Acta, 245 . pp. 16-34. DOI 10.1016/j.gca.2018.09.002.

[thumbnail of Accepted manuscript] [thumbnail of Homrighausen.pdf]

Homrighausen, S., Hoernle, K. , Hauff, F. , Geldmacher, J. , Wartho, J. A. , van den Bogaard, P. and Garbe-Schönberg, D. (2018) Global distribution of the HIMU end member: Formation through Archean plume-lid tectonics. Open Access Earth-Science Reviews, 182 . pp. 85-101. DOI 10.1016/j.earscirev.2018.04.009.

Homrighausen, S., Hoernle, K. , Geldmacher, J. , Wartho, J. A. , Hauff, F. , Portnyagin, M. , Werner, R., van den Bogaard, P. and Garbe-Schönberg, D. (2018) Unexpected HIMU-type late-stage volcanism on the Walvis Ridge. Open Access Earth and Planetary Science Letters, 492 . pp. 251-263. DOI 10.1016/j.epsl.2018.03.049.

[thumbnail of Hoernle et al_Nat Comm_2015.pdf] [thumbnail of ncomms8799-s1.pdf]

Hoernle, K. , Rohde, J., Hauff, F. , Garbe-Schönberg, D., Homrighausen, S., Werner, R. and Morgan, J. P. (2015) How and when plume zonation appeared during the 132 Myr evolution of the Tristan Hotspot. Open Access Nature Communications, 6 (7799). DOI 10.1038/ncomms8799.

Book chapters

[thumbnail of Homrighausen etal.pdf] [thumbnail of Intraplate.pdf]

Homrighausen, S., Geldmacher, J. , Hoernle, K. and Rooney, T. (2021) Intraplate Volcanism. In: Encyclopedia of Geology. , ed. by Elias, S. and Alderton, D.. Elsevier, London, pp. 52-59, 8 pp. 2nd edition ISBN 978-0-08-102909-1 DOI 10.1016/B978-0-12-409548-9.12498-4.

[thumbnail of 5-5_Hotspots-Inselketten.pdf]

Homrighausen, S. (2020) Hotspots und Inselketten. Open Access In: ESKP-Themenspezial Vulkanismus und Gesellschaft. Zwischen Risiko, Vorsorge und Faszination. , ed. by Jorzik, O., Kandarr, J., Klinghammer, P. and Spreen, D.. Deutsches GeoForschungsZentrum GFZ, Potsdam, Germany, pp. 113-116. ISBN 978-3-9816597-3-3 DOI 10.2312/eskp.2020.2.5.5.

Presentations

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Hoyer, P. A., Haase, K. M., Regelous, M., O´Connor, J. M., Homrighausen, S. and Geissler, S. (2021) The Rio Grande Rise is a Large Igneous Province, not a detached microcontinent. Open Access [Talk] In: Goldschmidt Conference 2021. , 04.-09.07.2021, Online . DOI 10.7185/gold2021.3600.


Hoernle, K. , Homrighausen, S., Zhou, H. , Wartho, J. A. , Hauff, F. , Werner, R. and Geldmacher, J. (2020) A large-scale geochemical zonation of the African LLSVP recorded by mantle plumes?. [Talk] In: AGU Fall Meeting 2020. , 01.-17.12.2020, Online, San Francisco, USA .

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Homrighausen, S., Hoernle, K. , Zhou, H. , Geldmacher, J. , Wartho, J. A. , Hauff, F. , Werner, R., Jung, S. and Morgan, J. P. (2020) Compositionally distinct overlying hotspot tracks in the South Atlantic: Do primary mantle plumes trigger secondary upwellings?. Open Access [Talk] In: Goldschmidt 2020 Virtual Conference. , 21.06.-26.06.2020, - .

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O´Connor, J. M., Hoyer, P. A., Haase, K. M., Regelous, M., Homrighausen, S., Geldmacher, J. and Geissler, W. (2020) Is the Rio Grande Rise a Large Igneous Province or a Microcontinent?. Open Access [Talk] In: Goldschmidt 2020 Virtual Conference. , 21.06.-26.06.2020, - . DOI 10.46427/gold2020.1962.


Hoernle, K. A. , Hauff, F. , Homrighausen, S., Rohde, J., Dürkefälden, A., Werner, R., Geldmacher, J. , Portnyagin, M. V. , Garbe-Schönberg, C. D., van den Bogaard, P. and Wartho, J. A. (2018) New Developments in Understanding the Origin of South Atlantic Intraplate Volcanism (Tristan-Gough-Walvis, Discovery Shona volcanic tracks). [Invited talk] In: GeoBonn 2018. , 02.09.-06.09.2018, Bonn, Germany .


Hoernle, K. , Homrighausen, S., Hauff, F. , Werner, R., Portnyagin, M. , Geldmacher, J. , Garbe-Schönberg, D., van den Bogaard, P. and Wartho, J. A. (2018) Geochemistry of South Atlantic Hotspots: Intimate Association of EMI & HIMU End Members. [Talk] In: Goldschmidt Conference 2018. , 12.08.-17.08.2018, Boston, USA .

[thumbnail of Abstract]

Homrighausen, S., Hoernle, K. , Geldmacher, J. , Hauff, F. , Portnyagin, M. , Werner, R., Schaefer, B. F., Wartho, J. A. and Garbe-Schönberg, D. (2018) Temporal and geochemical evolution of the Afanasy Nikitin -85° E Ridge, Central Indian Ocean, R/V Sonne cruise SO258/1 . Open Access [Talk] In: AGU Fall Meeting 2018. , 10.-14.12.2018, Washington, D.C., USA .

[thumbnail of Werner_Sonne-Status_2017.pdf]

Werner, R., Hoernle, K. , Homrighausen, S., Gohl, K. and Davy, B. (2017) Hintergrund und erste Ergebnisse der vulkanologisch-petrologischen Untersuchungen von SO246 (CHATHAM RISE): Kompressions-, Extensions- und Abbruchmechanismen eines submarinen Kontinentalplateaus. Open Access [Talk] In: Statusseminar Meeresforschung mit FS SONNE 2017. , 14.–15.02.2017, Oldenburg .

[thumbnail of Homrighausen.pdf]

Homrighausen, S., Hoernle, K. , Werner, R., Portnyagin, M. , Geldmacher, J. and Hauff, F. and SO233 Fahrtteilnehmer (2015) Walvis II: Hintergrund und erste Ergebnisse, Zeitliche und geochemische Entwicklung des Walvisrückens. [Talk] In: Statusseminar Meeresforschung mit FS SONNE 2015. , 12.-13.02.2015, Bremen . Tagungsband Statusseminar Meeresforschung mit FS SONNE 2015. ; pp. 162-165 .

[thumbnail of Werner.pdf]

Werner, R., Wagner, H. J., Mattheus, U., Geldmacher, J. and Homrighausen, S. and SO-234/1 Fahrtteilnehmer (2015) Verlauf und erste Ergebnisse der Ausbildungsfahrt SO-234/1 SPACES (Walvis Bay - Durban). [Talk] In: Statusseminar Meeresforschung mit FS SONNE 2015. , 12.-13.02.2015, Bremen . Tagungsband Statusseminar Meeresforschung mit FS SONNE 2015. ; pp. 171-174 .

Conference posters

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Homrighausen, S., Hoernle, K. , Zhou, H., Wartho, J. A. , Hauff, F. , Werner, R. and Garbe-Schönberg, D. (2019) Double Age progressive hotspot tracks – Primary EM I-type and secondary HIMU mantle plumes in the South Atlantic. Open Access [Poster] In: GeoMünster 2019. , 22.-25.09.2019, Münster, Germany .


Homrighausen, S., Hoernle, K. , Hauff, F. , Portnyagin, M. , Werner, R., Geldmacher, J. and Garbe-Schönberg, C. D. (2015) Late-Stage HIMU-Type Volcanism on the Walvis Ridge: Not just Part of an Age-Progressive Tristan-Gough Hotspot Track. [Poster] In: AGU Fall Meeting 2015. , 14.-18.12.2015, San Francisco, USA .

Theses - not published by a publisher

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Homrighausen, S. (2018) Insights into the temporal and geochemical evolution of the Walvis Ridge - A connection between HIMU and EM I end members in the South Atlantic. Open Access (PhD/ Doctoral thesis), Christian-Albrechts-Universität Kiel, Kiel, 39 pp.

Reports - Cruise Reports

[thumbnail of MSM82_CR.pdf]

Geissler, W., Krumm, S., O'Connor, J., Geldmacher, J. , Altenbernd, T., Homrighausen, S., Geils, J., Hoyer, P., Lehmann, C. and Shearing, J. (2019) The Rio Grande Rise and Jean Charcot Seamount Chain - microcontinents or the trail of the Tristan-Gough hotspot? Cruise No. MSM 82, 18 March 2019 - 24 April 2019, Montevideo (Uruguay) - Montevideo (Uruguay), RIOGRANDE. Open Access . MARIA S. MERIAN-Berichte, MSM82 . Gutachterpanel Forschungsschiffe, Bonn, 200 pp. DOI 10.2312/cr_msm82.

Reports - other reports

[thumbnail of WALVIS II_AB.pdf]

Hoernle, K. , Werner, R., Hauff, F. , Neuhaus, B., Lüter, C., Homrighausen, S. and Portnyagin, M. (2016) SO-233 [SO233] WALVIS II : zeitliche und geochemische Entwicklung des Walvisrückens im Südatlantik : Abschlussbericht - 03G0233 : Berichtszeitraum: 01. Januar 2014 bis 30. Juni 2016. Open Access . GEOMAR Helmholtz-Zentrum für Ozeanforschung, Kiel, Germany, 16 pp. DOI 10.2314/GBV:883740001.

This list was generated on Wed Jul 17 18:48:08 2024 CEST.