| Microbial co-occurrence patterns in deep Precambrian bedrock fracture fluids L Purkamo, M Bomberg, R Kietäväinen, H Salavirta, M Nyyssönen, ... Biogeosciences 13 (10), 3091-3108, 2016 | 82 | 2016 |
| The origin, source, and cycling of methane in deep crystalline rock biosphere R Kietäväinen, L Purkamo Frontiers in microbiology 6, 146928, 2015 | 79 | 2015 |
| Characterisation and isotopic evolution of saline waters of the Outokumpu Deep Drill Hole, Finland–Implications for water origin and deep terrestrial biosphere R Kietäväinen, L Ahonen, IT Kukkonen, N Hendriksson, M Nyyssönen, ... Applied geochemistry 32, 37-51, 2013 | 68 | 2013 |
| Microbiome composition and geochemical characteristics of deep subsurface high-pressure environment, Pyhäsalmi mine Finland H Miettinen, R Kietäväinen, E Sohlberg, M Numminen, L Ahonen, ... Frontiers in Microbiology 6, 149197, 2015 | 63 | 2015 |
| Dissecting the deep biosphere: retrieving authentic microbial communities from packer-isolated deep crystalline bedrock fracture zones L Purkamo, M Bomberg, M Nyyssönen, I Kukkonen, L Ahonen, ... FEMS microbiology ecology 85 (2), 324-337, 2013 | 59 | 2013 |
| Noble gas residence times of saline waters within crystalline bedrock, Outokumpu Deep Drill Hole, Finland R Kietäväinen, L Ahonen, IT Kukkonen, S Niedermann, T Wiersberg Geochimica et Cosmochimica Acta 145, 159-174, 2014 | 54 | 2014 |
| Ultradeep microbial communities at 4.4 km within crystalline bedrock: implications for habitability in a planetary context L Purkamo, R Kietäväinen, M Nuppunen-Puputti, M Bomberg, C Cousins Life 10 (1), 2, 2020 | 49 | 2020 |
| Rapid reactivation of deep subsurface microbes in the presence of C-1 compounds P Rajala, M Bomberg, R Kietäväinen, I Kukkonen, L Ahonen, ... Microorganisms 3 (1), 17-33, 2015 | 43 | 2015 |
| Diversity and functionality of archaeal, bacterial and fungal communities in deep Archaean bedrock groundwater L Purkamo, R Kietäväinen, H Miettinen, E Sohlberg, I Kukkonen, ... FEMS microbiology ecology 94 (8), fiy116, 2018 | 36 | 2018 |
| Hydrogeological characteristics of the Outokumpu deep drill hole L Ahonen, R Kietäväinen, N Kortelainen, IT Kukkonen, A Pullinen, T Toppi, ... Spec. Pap. Geol. Surv. Finl 2011, 151-168, 2011 | 36 | 2011 |
| Abiotic and biotic controls on methane formation down to 2.5 km depth within the Precambrian Fennoscandian Shield R Kietäväinen, L Ahonen, P Niinikoski, H Nykänen, IT Kukkonen Geochimica et Cosmochimica Acta 202, 124-145, 2017 | 35 | 2017 |
| Svecofennian post-collisional shoshonitic lamprophyres at the margin of the Karelia Craton: Implications for mantle metasomatism J Woodard, R Kietäväinen, O Eklund Lithos 205, 379-393, 2014 | 26 | 2014 |
| Rare biosphere archaea assimilate acetate in Precambrian terrestrial subsurface at 2.2 km depth M Nuppunen-Puputti, L Purkamo, R Kietäväinen, M Nyyssönen, ... Geosciences 8 (11), 418, 2018 | 21 | 2018 |
| Deep groundwater evolution at Outokumpu, Eastern Finland: From meteoric water to saline gas-rich fluid R Kietäväinen Espoo: Geological Survey of Finland, 2017 | 18 | 2017 |
| CO2 and carbonate as substrate for the activation of the microbial community in 180 m deep bedrock fracture fluid of Outokumpu Deep Drill Hole, Finland M Bomberg, M Raulio, S Jylhä, CW Mueller, C Höschen, P Rajala, ... AIMS microbiology 3 (4), 846, 2017 | 16 | 2017 |
| Rock surface fungi in deep continental biosphere—exploration of microbial community formation with subsurface in situ biofilm trap M Nuppunen-Puputti, R Kietäväinen, L Purkamo, P Rajala, M Itävaara, ... Microorganisms 9 (1), 64, 2020 | 15 | 2020 |
| Epilithic microbial community functionality in deep oligotrophic continental bedrock M Nuppunen-Puputti, R Kietäväinen, M Raulio, A Soro, L Purkamo, ... Frontiers in microbiology 13, 826048, 2022 | 12 | 2022 |
| The keystone species of Precambrian deep bedrock biosphere belong to Burkholderiales and Clostridiales. L Purkamo, M Bomberg, R Kietäväinen, H Salavirta, M Nyyssönen, ... Biogeosciences Discussions 12 (21), 2015 | 10 | 2015 |
| Microbial metabolic potential in deep crystalline bedrock M Bomberg, H Miettinen, R Kietäväinen, L Purkamo, L Ahonen, M Vikman The microbiology of nuclear waste disposal, 41-70, 2021 | 9 | 2021 |
| Biotite and fluorapatite macrocrysts in Paleoproterozoic lamprophyres in Fennoscandia: xenocrysts from the subcontinental lithospheric mantle J Woodard, R Kietäväinen, I Boettcher Lithosphere 2008-Fifth Symposium on the Structure, Composition and Evolution …, 2008 | 2 | 2008 |
