 | Salminen, J., Mertanen, S., Evans, D.A.D., Wang, Z. (2014) Paleomagnetic and geochemical studies of the Mesoproterozoic Satakunta dyke swarms, Finland, with implications for a Northern Europe – North America (NENA) connection within Nuna supercontinent. Precambrian Research, 244. 170-191 doi:10.1016/j.precamres.2013.08.006 | Journal (article/letter/editorial) | | geochemical studies of the Mesoproterozoic Satakunta dyke swarms, Finland, with implications for a Northern Europe...Geological Survey of Finland, Laboratory for Paleomagnetism, P.O. Box 96, FI-02151 Espoo, Finland a r t i c l...Mesoproterozoic diabase dyke swarms in Satakunta, SW Finland, provide new paleomagnetic data to test...reliability criteria for paleomagnetic poles. The new Satakunta SK1 pole, when compared to the nearly coeval Western...Halls et al., 2011) and Baltica (Sipoo dykes, Finland) are offset by about 30◦ . Validation of NENA for |  | | Report (chapter) | | Saanio & Riekkola Oy, Laulukuja 4, 00420 Helsinki, Finland *Correspondence: heini.reijonen@sroy.fi Abstract:...geological disposal of spent nuclear fuel at Olkiluoto, Finland (Posiva 2012a, b). Montmorillonite is used...interpreted initial and boundary conditions at Olkiluoto since the last glacial period (redrawn from Posiva...mass transfer. Also, accessory minerals, such as quartz, that are of sufficient grain size and relatively...conditions during glacial meltwater intrusion at Olkiluoto (Posiva 2012c). The need for further research |  | Marchesini, Barbara, Garofalo, Paolo Stefano, Menegon, Luca, Mattila, Jussi, Viola, Giulio (2019) Fluid-mediated, brittle–ductile deformation at seismogenic depth – Part 1: Fluid record and deformation history of fault veins in a nuclear waste repository (Olkiluoto Island, Finland). Solid Earth, 10 (3). 809-838 doi:10.5194/se-10-809-2019 | Journal (article/letter/editorial) | | veins in a nuclear waste repository (Olkiluoto Island, Finland) Barbara Marchesini1 , Paolo Stefano Garofalo1...Blindern, Norway 4 Geological Survey of Finland (GTK), Espoo, Finland 2 School Correspondence: Barbara Marchesini...basement of southwestern Finland and hosts in its core two laterally continuous quartz veins formed by two...two texturally distinct types of quartz – Qtz I and Qtz II, with Qtz I older than Qtz II. Veins within the...geothermometry indicate that the two documented quartz types precipitated from different fluid batches |  | | Journal (article/letter/editorial) | | Application to the engineered buffer barrier at the Olkiluoto site Paul Wersin, Mirjam Kiczka, Kari Koskinen...Application to the engineered buffer barrier at the Olkiluoto site, Applied Geochemistry (2016), doi: 10.1016/j...application to the engineered buffer barrier at the Olkiluoto site 3 Paul Wersin1*, Mirjam Kiczka2, Kari Koskinen3...planned Finnish spent nuclear fuel repository at Olkiluoto. First, a structural model based on well-established...porewater composition of the bentonite buffer at Olkiluoto. The simulations indicate very similar results |  | | Journal (article/letter/editorial) | | brittle deformation and sedimentation in southern Finland: Implications for Neoproterozoic evolution of the...Kaakinenc a Geological Survey of Finland GTK, P.O. Box 96, FI-02151 Espoo, Finland Department of Geology and...P.O. Box 64, FI-00014 University of Helsinki, Finland b A R T I C L E I N F O A B S T R A C T Keywords:...in a tunnelling site at 60 m depth in southern Finland. Brittle faults are numerous in the Fennoscandian... Sedimentary rocks altogether are uncommon in Finland and only sparsely dated by micropaleontological |  | | Journal (article/letter/editorial) | | SE-443 72 Gråbo, Sweden c Posiva Oy, Olkiluoto, FI-27160 Eurajoki, Finland b Abstract Moraine waters and...Management Organization (NWMO, Canada), Posiva Oy (Finland) and the Swedish Nuclear Waste and Management Co... Mineralogically the samples were dominated by quartz, plagioclase, K-feldspar and amphibole. Additional...confirmed that also this fraction was dominated by quartz and feldspars but chlorite and mixed-layer chlorite/illite...0.35 : 0.24), and allowing the precipitation of quartz and kaolinite. The resulting weathering model is |  | Li, Xiaodong, Sammaljärvi, Juuso, Meng, Shuo, Liu, Longcheng, Siitari-Kauppi, Marja, Martin, Andrew (2022) Diffusion and Sorption Studies of Cs, Sr and Co in Intact Crystalline Rock. Minerals, 12 (2) 231 doi:10.3390/min12020231 | Journal (article/letter/editorial) | | stry, University of Helsinki, 00014 Helsinki, Finland; juuso.sammaljarvi@helsinki.fi (J.S.); marja.s...nuclear waste management in many countries, such as Finland, Sweden, France and Switzerland. Experiments, both...crystalline rock samples from GTS and Onkalo, Olkiluoto, Finland [13,14]. By combining the C-14-PMMA autoradiography...polarizing microscopy in the Geological Survey of Finland (Ta3 of 18 ble 1). The XRD spectra were recorded...plagioclase, 20–25 wt.% of K-feldspar, 20–30 wt.% of quartz, 6–10 wt.% 2.ofMaterials and Methods biotite and |  | Voutilainen, Mikko, Miettinen, Arttu, Sardini, Paul, Parkkonen, Joni, Sammaljärvi, Juuso, Gylling, Björn, Selroos, Jan-Olof, Yli-Kaila, Maarit, Koskinen, Lasse, Siitari-Kauppi, Marja (2019) Characterization of spatial porosity and mineral distribution of crystalline rock using X-ray micro computed tomography, C-14-PMMA autoradiography and scanning electron microscopy. Applied Geochemistry, 101. 50-61 doi:10.1016/j.apgeochem.2018.12.024 | Journal (article/letter/editorial) | | 00014, Finland 7 2. Department of Physics, University of Jyväskylä, Jyväskylä, 40014, Finland 8 3...Solna, 169 03, Sweden 11 6. Posiva Oy, Eurajoki, 27160, Finland 12 * Corresponding author: ma.voutilainen@helsinki...rock samples from Äspö, Sweden, and 20 Olkiluoto, Finland, were studied here. The X-µCT were used to...transport experiments in Äspö, 74 Sweden, and Olkiluoto, Finland (Nilsson et al. 2010; Voutilainen et al....AN U SC RI PT 57 3 ACCEPTED MANUSCRIPT Olkiluoto. Combining the results of these different methods |  | Ho, Mallory S., Vettese, Gianni F., Keto, Paula H., Lamminmäki, Suvi P., Vikman, Minna, Myllykylä, Emmi, Dardenne, Kathy, Law, Gareth T. W. (2023) Mechanisms Governing 90Sr Removal and Remobilisation in a VLLW Surface Disposal Concept. Minerals, 13 (3) 436 doi:10.3390/min13030436 | Journal (article/letter/editorial) | | FI-00014 Helsinki, Finland VTT Technical Research Centre of Finland, FI-02044 Espoo, Finland Institute for...will be/is employed by many countries, including Finland, Sweden, and the UK [1–3]. Here, given the short...planning a near-surface disposal facility at the Olkiluoto nuclear power plant, which is located on the Gulf...Gulf of Bothnia coast. TVO operates the Olkiluoto site, and they are responsible for the management of...ligands (e.g., [9]). The near-surface repository at Olkiluoto will largely resemble a special landfill for hazardous |  | Krawczyk-Bärsch, Evelyn, Lünsdorf, Heinrich, Pedersen, Karsten, Arnold, Thuro, Bok, Frank, Steudtner, Robin, Lehtinen, Anne, Brendler, Vinzenz (2012) Immobilization of uranium in biofilm microorganisms exposed to groundwater seeps over granitic rock tunnel walls in Olkiluoto, Finland. Geochimica et Cosmochimica Acta, 96. 94-104 doi:10.1016/j.gca.2012.08.012 | Journal (article/letter/editorial) | | seeps over granitic rock tunnel walls in Olkiluoto, Finland Evelyn Krawczyk-Bärsch a,⇑, Heinrich Lünsdorf...40530 Gothenburg, Sweden d POSIVA OY, 27160 Eurajoki, Finland Received 1 November 2011; accepted in revised...characterization facility, the ONKALO tunnel in Finland, massive 5–10-mm thick biofilms were observed attached...near the Olkiluoto nuclear power plants approximately 300 km northwest of Helsinki, Finland. Geological...groundwater, down to depths of at least 800 m in Olkiluoto. As described by Stroes-Gascoyne and Sargent (1998) |  | | Journal (article/letter/editorial) | | grout in a fractured rock. Application to ONKALO (Finland) Josep M. Soler a,⇑, Marja Vuorio b, Aimo Hautojärvi...08034 Barcelona, Spain POSIVA OY, Olkiluoto, FI-27160 Eurajoki, Finland a r t i c l e i n f o Article...potential future repository for spent nuclear fuel in Finland (ONKALO). A possible consequence of the interaction...seal conductive fractures at the ONKALO site in Finland (potential site for a deep geological repository...1e4 (calcite equilibrium) 1.0e9 1.8e6 1.0e4 (quartz equilibrium) 4.0e4 1.8e1 (charge balance) 8.0 |  | Muuri, Eveliina, Sorokina, Tatiana, García, David, Grivé, Mireia, Bruno, Jordi, Koskinen, Lasse, Martin, Andrew, Siitari-Kauppi, Marja (2018) The in-diffusion of 133 Ba in granitic rock cubes from the Olkiluoto and Grimsel in-situ test sites. Applied Geochemistry, 92. 188-195 doi:10.1016/j.apgeochem.2018.03.011 | Journal (article/letter/editorial) | | sites 133 Ba in granitic rock cubes from the Olkiluoto and Grimsel in-situ Eveliina Muuri, Tatiana Sorokina...in-diffusion of Ba in granitic rock cubes from the Olkiluoto and Grimsel insitu test sites, Applied Geochemistry...in-diffusion of Ba in granitic rock cubes from the Olkiluoto and Grimsel in-situ test 2 sites 3 Eveliina...Andrew Martind, Marja Siitari-Kauppia 5 a 6 Finland 7 b 8 c 9 d RI PT Department of Chemistry...i Fària, 49-51 08019 Barcelona SC Posiva Oy, Finland Nagra (National Cooperative for the Disposal of |  | | Journal (article/letter/editorial) | | results for the 1.64 Ga Suomenniemi dyke swarm, SE Finland J. Salminen, R. Klein, S. Mertanen PII: DOI: Reference:...results for the 1.64 Ga Suomenniemi dyke swarm, SE Finland, Precambrian Research (2018), doi: https://doi...results for the 1.64 Ga Suomenniemi dyke swarm, SE Finland J. Salminena, R. Kleina, S. Mertanenb a) Department...64, 00014, Finland b) Geological Survey of Finland, P.O. Box 96, FI-02151 Espoo, Finland Abstract This...obtained for the 1.64 Ga Suomenniemi diabase and quartz porphyry dyke swarm associated with Suomenniemi |  | Hernandez-Selva, T., Engelberg, D. L., Scenini, F., Fox, D., McClusky, A. (2015) Manufacturing technology for implementing geological disposal: electroforming of copper canisters. Mineralogical Magazine, 79 (6) 1521-1528 doi:10.1180/minmag.2015.079.6.27 | Journal (article/letter/editorial) | | Kärnbränslehantering AB, 2011). Countries such as Finland (Posiva), Hungary (PURAM), Lithuania (Lithuanian...confirmed with experiments employing an electrochemical quartz microbalance showing that polyethylene glycol adsorbs...deposition in the presence of polyethylene glycol. I. Quartz crystal microbalance study. Journal of Electrochemical...fuel at Olkiluoto – models and data for the repository system 2012. Report POSIVA 2013-01, Eurajoki, Finland...Studies, 2008–2010. Report POSIVA 2013-03, Eurajoki, Finland. Posiva Oy (2013c) Inspection of disposal |  | Drake, Henrik, Heim, Christine, Whitehouse, Martin, Broman, Curt, Åström, Mats (2017) Episodic Microbial Methanogenesis, Methane Oxidation and Sulfate Reduction in Deep Granite Fractures at Forsmark, Sweden. Procedia Earth and Planetary Science, 17. 702-705 doi:10.1016/j.proeps.2016.12.158 | Journal (article/letter/editorial) | | observations from fractured crystalline rock at Olkiluoto, Finland and Laxemar, Sweden, indicate ongoing, or...calcite (or large scalenohedral crystals), euhedral quartz, cubic pyrite, K-feldspar(rare), asphaltite (in...porous fracture filling of blocky calcite (white), quartz (grey), asphaltite (black) and pyrite (small spots)...In accordance with other isotope studies from Finland and Sweden, AOM-SRB activity and methanogenesis...fracture-filling sulfides in crystalline bedrock, Olkiluoto, Finland. Appl. Geochem. 2013:32:52-69. 8. Drake H |  | Drake, Henrik, Ivarsson, Magnus, Tillberg, Mikael, Whitehouse, Martin, Kooijman, Ellen (2018) Ancient Microbial Activity in Deep Hydraulically Conductive Fracture Zones within the Forsmark Target Area for Geological Nuclear Waste Disposal, Sweden. Geosciences, 8 (6) 211 doi:10.3390/geosciences8060211 | Journal (article/letter/editorial) | | and underground facilities in Sweden [6–10], Finland [11–15], and Japan [16,17], showing a high degree...Laxemar site in Sweden [37], and the Olkiluoto site in Finland [38]. Due to the overall few observations...the KFM08D calcite as equant crystals on euhedral quartz. In the KFM24 samples from 379 to 414 m, euhedral...were observed on top, and intergrown with euhedral quartz, and occasionally, euhedral adularia. Chlorite...KFM24:379; euhedral pyrite (cubic with rounded edges) quartz. (d) (d)KFM24:396; KFM24:396;euhedral euhedralcalcite |  | Wersin, Paul, Hadi, Jebril, Jenni, Andreas, Svensson, Daniel, Grenèche, Jean-Marc, Sellin, Patrik, Leupin, Olivier X. (2021) Interaction of Corroding Iron with Eight Bentonites in the Alternative Buffer Materials Field Experiment (ABM2) Minerals, 11 (8) 907 doi:10.3390/min11080907 | Journal (article/letter/editorial) | | (mar) <5 (mar, mic) <20 Granular MX-80 bentonite/quartz mixture: This bentonite was the same granular material...which quartz with a grain size of 0.1–0.5 mm [25] was added to yield a homogeneous MX-80/quartz (70/30)...Kunigel Kunigel #13, #13, (e) (e) MX-80+quartz MX-80+quartz #25, (f) Deponit #26, (g) #11, (g) MX-80...with compacted granular MX-80 and granular MX-80/quartz (Figure 3 left) were transformed to a homogeneous...raw and bulk sample was observed for the MX-80/quartz block #25. The presence of structural Fe(II) at |  | Metcalfe, Richard, Milodowski, Antoni E., Field, Lorraine P., Wogelius, Roy A., Carpenter, Gráinne, Yardley, Bruce W.D., Norris, Simon (2021) Natural analogue evidence for controls on radionuclide uptake by fractured crystalline rock. Applied Geochemistry, 124. 104812pp. doi:10.1016/j.apgeochem.2020.104812 | Journal (article/letter/editorial) | | lP re -p ro of 79 80 81 82 Research in Finland, notably during the Palmottu natural analogue study...28–36 ka and < 2500 years) at sites in southwest Finland, reflecting periods 106 of influx of oxidizing... Agilent Technologies model 7500x ICP-MS fitted with a quartz double-pass spray chamber 235 (Peltier-cooled...Non-radioactive 277 areas (darker blue) correspond to quartz and plagioclase. Allowing for the sample geometry...correspond to K-feldspar 296 and mica, while quartz and plagioclase are non-radioactive. From its spatial |  | | Journal (article/letter/editorial) | | modeling and comparison with pH monitoring at ONKALO (Finland) Josep M. Soler ⇑ IDAEA-CSIC, Jordi Girona 18-26...potential future repository for spent nuclear fuel in Finland (ONKALO site). A possible consequence is the formation...Lothenbach and Wieland, 2010). At the ONKALO site in Finland (potential deep geological repository for spent...compositions. These compositions were provided by Pöyry Finland Oy and correspond to different depths at the ONKALO...2–5 are based on compositions reported by Pöyry Finland Oy. In previous calculations (Soler, 2010; solution |  | Kietäväinen, Riikka, Ahonen, Lasse, Niinikoski, Paula, Nykänen, Hannu, Kukkonen, Ilmo T. (2017) Abiotic and biotic controls on methane formation down to 2.5 km depth within the Precambrian Fennoscandian Shield. Geochimica et Cosmochimica Acta, 202. 124-145 doi:10.1016/j.gca.2016.12.020 | Journal (article/letter/editorial) | | Geological Survey of Finland (GTK), P.O. Box 96, FI-02151 Espoo, Finland 9 10 b 11 Finland 12 e-mail: paula... 13 14 c 15 40014 University of Jyväskylä, Finland University of Jyväskylä, Department of Biological...Kuopio, Finland 19 e-mail: hannu.nykanen@uef.fi Present address: University of Eastern Finland, Department...Environmental Science, P.O.Box 1627, 20 21 2 22 Finland 23 e-mail: ilmo.kukkonen@helsinki.fi Present...Deep Drill Hole and the Pyhäsalmi 40 mine in Finland, both of which allow groundwater sampling down |  | Drake, Henrik, Åström, Mats E., Tullborg, Eva-Lena, Whitehouse, Martin, Fallick, Anthony E. (2013) Variability of sulphur isotope ratios in pyrite and dissolved sulphate in granitoid fractures down to 1km depth – Evidence for widespread activity of sulphur reducing bacteria. Geochimica et Cosmochimica Acta, 102. 143-161 doi:10.1016/j.gca.2012.10.036 | Journal (article/letter/editorial) | | , 2008), 330 m in crystalline bedrock at Olkiluoto, Finland (Pedersen, 2008), more than 500 m in crystalline...(2009b). Main related event and/or age 1. Mylonite; quartz, epidote, muscovite, chlorite, albite ± K-feldspar...Cataclasite; epidote, quartz, chlorite, K-feldspar, albite, hematite ± illite 3a. Calcite, quartz, epidote, chlorite...hematite 4. Calcite, adularia, laumontite, chlorite, quartz, illite, hematite Cambrian sandstone (near surface)...Calcite, adularia, chlorite, hematite, fluorite, quartz, pyrite, barite, gypsum, clay minerals, apophyllite |  | | Report (chapter) | | Programme, EURATOM) and the project coordinator is Finland-based Posiva. A total of 14 partners from eight...contrast to Czech granitoids (Pačes et al. 2010). In Finland, a similar plug is undergoing testing at the Onkalo...underground laboratory located on the island of Olkiluoto in a migmatitized gneiss rock environment (Dixon...The tonalite locally grades into granodiorite or quartz diorite. Downloaded from http://sp.lyellcollection...experimental gallery niche is traversed by quartz and quartz –carbonate veins, with a maximum thickness |  | | Journal (article/letter/editorial) | | montmorillonite, Minerals 2021, 11, 1272 5 of 20 quartz, muscovite, albite, illite, pyrite and calcite...Volumetric Fraction (m3 m−3 ) Montmorillonite Quartz Albite Muscovite Illite Pyrite Calcite 5.01 ×...Formula/ Reaction log Keq Iron Montmorillonite Quartz Albite Muscovite Illite Pyrite Calcite Magnetite...(g) Wilson et al. [18] . Mineral Montmorillonite Quartz Albite Muscovite Illite Pyrite Calcite Magnetite...constant. However, the dissolution of albite and quartz increase with time. This Si supply could inhibit |  | | Journal (article/letter/editorial) | | contain 80.5 3.6 wt.% smectite, 6.0 0.3 wt.% quartz, 0.6 0.1 wt.% pyrite, 8.7 0.6 wt.% feldspar...explained by the presence of gypsum, smectite, quartz, and numerous iron phases (Figure 3). The presence...dioctahedral clays (060). The peak at 60º is assigned to quartz, but overlaps the position of a possible trioctahedral...the other phases interpreted from these patterns (quartz, cristobalite, gypsum, feldspars, mica) are known...Gth: goethite, Sd: siderite, Anh: anhydrite, Qz: quartz, Mag: magnetite; abbreviations after Whitney and |  | | Book | | low- and intermediate-level radioactive wastes in Finland................. 67 Timo Aikds and Pekka Anttila...occurrence of oil-bearing fluid inclusions in quartz in some Oklo rocks. The inclusions, containing...sample from.a well-cemented quartz-pebble arenite characterized by syntaxial quartz overgrowths and located...detrital quartz grains and pebbles and transgranular microfractures that cut detrital quartz boundaries...also occur within syntaxial quartz overgrowths and at boundaries between quartz overgrowths and their detrital |
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