Riikka Kietäväinen
Riikka Kietäväinen
Assistant Professor, University of Helsinki
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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
The origin, source, and cycling of methane in deep crystalline rock biosphere
R Kietäväinen, L Purkamo
Frontiers in microbiology 6, 146928, 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
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
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
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
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
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
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
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
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
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
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
Deep groundwater evolution at Outokumpu, Eastern Finland: From meteoric water to saline gas-rich fluid
R Kietäväinen
Espoo: Geological Survey of Finland, 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
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
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
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
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
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
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