Multiscale microbial preservation and biogeochemical signals in a modern hot-spring siliceous sinter rich in co2 emissions, Krýsuvík geothermal field, Iceland

• Main Authors: Álvaro, Jose Javier, Sánchez-Román, Mónica, Nierop, Klaas G.J., Peterse, Francien
• Other Authors: GeoLab Algemeen, Organic geochemistry, Organic geochemistry & molecular biogeology
• Format: Article in Journal/Newspaper
• Language: English
• Published: 2021
• Subjects: Biomarker; Carbon isotope; Fabric; Microbial mat; Silicified microbe; Texture; Geotechnical Engineering and Engineering Geology; Geology; Krýsuvík; Iceland
• Online Access: https://dspace.library.uu.nl/handle/1874/411633

The microbial communities inferred in silica sinter rocks, based on multiscale morphological features (fabrics and textures) and the presence of lipid biomarkers and their carbon isotopic composition, are evaluated in the Krýsuvík geothermal area of Iceland. Close to vent environments (T > 75 °C...