Multiscale Microbial Preservation and Biogeochemical Signals in a Modern Hot-Spring Siliceous Sinter Rich in CO 2 Emissions, Krýsuvík Geothermal Field, Iceland

• Published in: Minerals
• Main Authors: Jose Javier Álvaro, Mónica Sánchez-Román, Klaas G.J. Nierop, Francien Peterse
• Format: Article in Journal/Newspaper
• Language: English
• Published: MDPI AG 2021
• Subjects: silicified microbe; texture; fabric; biomarker; carbon isotope; microbial mat; Mineralogy; QE351-399.2; Krýsuvík; Iceland
• Online Access: https://doi.org/10.3390/min11030263; https://doaj.org/article/f0736c58a73e470dac3106842a63db3d

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...