Peter Alsen

Dr. scient., senior research geologist

  • Øster Voldgade 10
    1350 Copenhagen K

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Personal profile


Primary research interests include ammonite and belemnite taxonomy, stratigraphy, biogeography in the Jurassic and Cretaceous of East, North-East and North Greenland and Svalbard; palaeoceanography and paleoclimate in the Early Cretaceous; biostratigraphic, isotope and magneto-stratigraphic correlation between the Boreal and the Tethyan during Jurassic and Cretaceous incl. the challenges in placing the Jurassic–Cretaceous boundary; Triassic ammonoid and halobiid bivalve stratigraphy in North Greenland. Late Precambrian – early Palaeozoic basin evolution in NE Greenland, Cambrian-Ordovician conodont stratigraphy, Cambrian small shelly fossils (SSF) and small carbonaceous fossils (SCF).

Curriculum vitae


2007:Dr. scient. in Geology, University of Copenhagen
2000:Cand. scient. Geological Institute, University of Copenhagen



2023/04 – date:Deputy head of department for Geoenergy and Storage
2022/12 – 2023/02:Interim head of department for Geoenergy and Storage
2007 – date:

Senior research geologist, GEUS

since 2019– : head of Stratigraphic Laboratory

2021– present: Department of Geoenergy and Storage

2007–2021: Department of Stratigraphy

2006 – 2007:Post doc. research fellow, Geological Institute, University of Copenhagen 
2005/10 – 2006/02:Research assistant/curator, Østsjællands Museum
2003 – 2005:Research assistant, Geological Institute, University of Copenhagen
2000­/6 - 2003/5:Ph.d.-student
1996 – 1999:Student assistant at GEUS, Stratigraphic Department


Field work

19 field seasons in the Arctic (East Greenland, North-East Greenland, North Greenland and Svalbard): 1996–98, 2000–01, 2007, 2009–11, 2017-19, 2022–23 in Jameson Land to Store Koldewey, central East and North-East Greenland; 2013 in Kilen, eastern North Greenland; 2014 at Kap Gustav Holm, southern East Greenland; 2015+2017 in Svalbard. 2016 on Ile de France, North-East Greenland. 


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