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Geomicrobiology and Biogeochemistry

We study interactions between life, geology and environmental chemistry to unravel biogeochemical processes important for Earth’s habitability through Earth history.

The Geomicrobiology and biogeochemistry group unites cross-disciplinary scientists in microbiology, biology and geochemistry.

We investigate the linkages between geomicrobiology and biogeochemistry to explain key biogeochemical processes that sustain ecosystems at local to global scale.



The Geomicrobiology unit studies diverse ecosystems, ranging from marine to terrestrial, from the surface to the deep continental and marine biosphere, spanning the modern to the ancient earth where life evolved.

We use the evidence to unravel how microbial life interacts with geological processes, minerals, metals and with each other to produce and maintain the major biogeochemical cycles that are key to earth’s habitability.


We combine geomicrobiological observations with geochemistry to unlock Earth’s biogeochemical history. This multidisciplinary work which connects the geomicrobiology and geochemistry units, allows the application of high resolution geochemical methods for investigating how geomicrobiology and geochemistry function together in the environment.

Researchers are interested in identifying and using biogeochemical signals as proxies for unravelling how life interacts with geochemistry to create and sustain the living biosphere.


Sosdian, S. COACTION - Characterisation of Ocean Acidification over Decadal Timescales in Fiji. NERC. October 2018, £11,200

Andersen, M., Chi Fru, E., Millet, M. Isotope geochemistry of IOCG systems. Department for Business, Energy and Industrial Strategy. July 2018-February 2019, £28,250

Sosdian, S. Coral reefs, ecosystem connectivity and plastic pollution: Past, present and future impacts on coral reef health. Sêr Cymru NRN Bangor. June 2018-July 2018, £9,375

Bagshaw, E. Dynamics of meltwater beneath the Greenland ice sheet. Sêr Cymru Bangor. June 2018-December 2018, £9,340

Bagshaw, E. Polar snow in a warming world. The Percy Sladen Memorial Fund. April 2017-March 2018, £700

Bagshaw, E. Microbial community structure changes during temporal development of cryoconie holes. Antarctic Science Ltd.  June 2016-May 2019, £4,590

Bagshaw, E. WISECAM: Development and testing of a smartphone app for water quality monitoring. Sêr Cymru NRN Bangor. December 2015-February 2016, £500

Sosdian, S. Assess the impacts from oil palm expansion in Borneo on coral reef water quality and ecology suing environmental archives in coral reef skeletons. Sêr Cymru NRN Bangor. April 2016-June 2018, £20,000

Meet the team

Group Leader

Academic staff

Postgraduate students

Associated staff



School of Earth and Environmental Sciences

Committed to achieving the highest standards in research and education and to providing a rich and varied research-led environment where all staff and students can achieve their full potential to the benefit of society.


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Research that matters

Our research makes a difference to people’s lives as we work across disciplines to tackle major challenges facing society, the economy and our environment.


Postgraduate research

Our research degrees give the opportunity to investigate a specific topic in depth among field-leading researchers.


Our research impact

Our research case studies highlight some of the areas where we deliver positive research impact.