PhD Position in Geochemistry
Stockholm University Department of Geological Sciences

PhD student in Geochemistry 

Ref. No. SU FV-2030-20

at the Department of Geological Sciences. Closing date: 20 June 2020.

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.

Project 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.

i) 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.

ii) 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.

iii) Development of numerical models to quantitatively describe the observations in the laboratory and field, which is essential for upscaling.

Qualification requirements

In order to meet the general entry requirements, the applicant must have completed a second-cycle degree, completed courses equivalent to at least 240 higher education credits, of which 60 credits must be in the second cycle, or have otherwise acquired equivalent knowledge in Sweden or elsewhere.

In order to meet the specific entry requirements, the general syllabus for doctoral studies in the field of Geochemistry stipulates that applicants must have:

  • at least 90 credits at the Bachelor´s level in geosciences or related natural science discipline
  • at least 30 credits in physics, chemistry, mathematics and/or biology
  • at least 60 credits at the advanced level in geosciences or related natural science discipline including an independent project of at least 30 credits

The qualification requirements must be met by the deadline for applications.


Selection among the eligible candidates will be based on their capacity to benefit from the research education. The following criteria will be used to assess this capacity: the candidates’ documented knowledge in a relevant field of research, written and oral proficiency in English, the capacity for analytical thinking, the ability to collaborate, as well as creativity, initiative, and independence.

Our successfull candidate has a strong interest in physically building things from scratch in the laboratory and has a strong will to find answers and explore new territories.

You have patience to spend many hours in laboratory environment and you are capable or willing to learn programming.

The assessment will be based on previous experience and grades, the quality of the degree project, references, relevant experience, interviews, and the candidate’s written motivation for seeking the position.

It is preferrable if our successfull candidate has a good general knowledge in geochemistry. 

Admission Regulations for Doctoral Studies at Stockholm University are available at: and regulations.

Terms of employment

Only a person who will be or has already been admitted to a third-cycle programme may be appointed to a doctoral studentship.

The term of the initial contract may not exceed one year. The employment may be extended for a maximum of two years at a time. However, the total period of employment may not exceed the equivalent of four years of full-time study.

Doctoral students should primarily devote themselves to their own education, but may engage in teaching, research, and administration corresponding to a maximum of 20 % of a full-time position.

Please note that admission decisions cannot be appealed.

Stockholm University strives to be a workplace free from discrimination and with equal opportunities for all.


For more information, please contact project leader and assistant professor Wei-Li Hong,

Union representatives

Ingrid Lander (Saco-S), telephone: +46 708 16 26 64,, Alejandra Pizarro Carrasco (Fackförbundet ST/Lärarförbundet), telephone: +46 8 16 34 89,, (SEKO), and PhD student representative,


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.

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.

You are welcome to apply!

Stockholm University contributes to the development of sustainable democratic society through knowledge, enlightenment and the pursuit of truth.

Closing date: 20/06/2020

If you apply for this position please say you saw it on Physicaloxy


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