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Microbially mediated carbonates in the Mesoproterozoic Stoer Group of NW Scotland; earliest evidence of life in Britain?
A new interpretation of carbonate structures in Stoer Group rocks suggests a biological origin. These sediments would be the oldest microbial stromatolites in the British Isles.
Click here for a pdf of the article.
Figure:
Gutteridge, P. (2025) Microbially mediated carbonates in the Mesoproterozoic Stoer Group of NW Scotland; earliest evidence of life in Britain? Journal of the Geological Society, Vol. 182, 2025, jgs2024-269
How great is the Great Glen Fault?
New research using sedimentological, geochemical, and zircon dating suggests 250 - 300km of displacement and reveals three new pre-strike-slip relationships.
Torridon rocks and Mars
A one-billion-year-old Scottish meteorite impact
"The Stoer Group in northwest Scotland is one of the oldest well-preserved sedimentary successions in Europe and includes the Stac Fada Member, an impact ejecta deposit. ...Our new age constrains the Stoer Group to the early Tonian and suggests a new Neoproterozoic plate tectonic context for these rocks. These data revise the age of some of the oldest known nonmarine microfossils in the UK and their role for timing the eukaryotic colonization of land."
13-23 June 2025
Step into science at Hugh Miller’s Birthplace
Join the team at Hugh Miller’s Birthplace Cottage and Museum for a thrilling experience filled with family-friendly science activities.
https://www.nts.org.uk/stories/summer-of-science
Fossil discovery