Job advertisement 4-year PhD Research Assistance in Geochemistry "in-situ silicate diagenesis in marine sediments"

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European Geosciences Union

4-year PhD Research Assistance in Geochemistry "in-situ silicate diagenesis in marine sediments"

4-year PhD Research Assistance in Geochemistry "in-situ silicate diagenesis in marine sediments"


Department of Geological Sciences, Stockholm University

Stockholm University is a leading university in Europe. The University has more than 33 000 students, 1600 doctoral students and 5500 staff members active within natural science and human science.
The Department of Geological Sciences is one of the larger departments within the Faculty of Science with about 70 employees and 1000 students. The department supports a broad range of basic research within marine geology, geochemistry and classical geology.


Stockholm, Sweden


Relevant divisions
Climate: Past, Present & Future (CL)
Geochemistry, Mineralogy, Petrology & Volcanology (GMPV)
Ocean Sciences (OS)


Student / Graduate / Internship


Required education

Application deadline
20 June 2020

23 May 2020

Job description

The diagenesis or transformation of silicate minerals plays a major role in the regulation of the Earth´s carbon cycle and climate system. Chemical weathering and reverse weathering involving silicate minerals in terrestrial environments are likely the most important processes controlling the long-term CO2 concentration in the atmosphere and thereby, green house forcing. It is much less understood whether similar processes occur in marine environments and what is the scale at which such processes occur, locally and globally. The project will involve the following activities.

  1. Reproduction of conditions favoring in-situ marine silicate diagenesis in the laboratory (e.g., incubating marine sediments under pressure in a seawater medium) to have a better mechanistic understanding of the processes.
  2. Analyses of key geochemical proxies (e.g. δ30Si and 87Sr/86Sr) from marine sediments and pore fluid samples collected at locations where in-situ marine silicate diagenesis is thought to occur.
  3. Development of numerical models to quantitatively describe the observations in the laboratory and field, which is essential for upscaling.

How to apply

Apply for the PhD student position at Stockholm University’s recruitment system. It is the responsibility of the applicant to ensure that the application is complete in accordance with the instructions in the advertisement, and that it is submitted before the deadline. Contact the PI, Dr. Wei-Li Hong, for further information (
Please include the following information with your application

  • Your contact details and personal data
  • Your highest degree
  • Your language skills
  • Contact details for 2–3 references
    and, in addition, please include the following documents
  • Cover letter (max 2 pages)
  • CV – degrees and other completed courses, work experience and a list of degree projects/theses
  • Project proposal describing:
    • why you are interested in the field/project described in the advertisement
    • why and how you wish to complete the project
    • what makes you suitable for the project in question%]
  • Degree certificates and grades confirming that you meet the general and specific entry requirements (no more than 6 files)
  • Letters of recommendation (no more than 6 files)
  • Degree projects/theses (no more than 6 files).
    The instructions for applicants are available at: Instructions – Applicants.